Mercurial > hg > truffle
annotate src/os/aix/vm/attachListener_aix.cpp @ 21623:d2113f5ae550
Merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Sun, 31 May 2015 23:58:09 +0200 |
parents | 666e6ce3976c |
children |
rev | line source |
---|---|
14415
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
1 /* |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
2 * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
3 * Copyright 2012, 2013 SAP AG. All rights reserved. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
5 * |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
6 * This code is free software; you can redistribute it and/or modify it |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
7 * under the terms of the GNU General Public License version 2 only, as |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
8 * published by the Free Software Foundation. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
9 * |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
10 * This code is distributed in the hope that it will be useful, but WITHOUT |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
13 * version 2 for more details (a copy is included in the LICENSE file that |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
14 * accompanied this code). |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
15 * |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
16 * You should have received a copy of the GNU General Public License version |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
17 * 2 along with this work; if not, write to the Free Software Foundation, |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
19 * |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
21 * or visit www.oracle.com if you need additional information or have any |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
22 * questions. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
23 * |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
24 */ |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
25 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
26 #include "precompiled.hpp" |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
27 #include "runtime/interfaceSupport.hpp" |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
28 #include "runtime/os.hpp" |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
29 #include "services/attachListener.hpp" |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
30 #include "services/dtraceAttacher.hpp" |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
31 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
32 #include <unistd.h> |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
33 #include <signal.h> |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
34 #include <sys/types.h> |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
35 #include <sys/socket.h> |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
36 #include <sys/un.h> |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
37 #include <sys/stat.h> |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
38 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
39 #ifndef UNIX_PATH_MAX |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
40 #define UNIX_PATH_MAX sizeof(((struct sockaddr_un *)0)->sun_path) |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
41 #endif |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
42 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
43 // The attach mechanism on Linux uses a UNIX domain socket. An attach listener |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
44 // thread is created at startup or is created on-demand via a signal from |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
45 // the client tool. The attach listener creates a socket and binds it to a file |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
46 // in the filesystem. The attach listener then acts as a simple (single- |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
47 // threaded) server - it waits for a client to connect, reads the request, |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
48 // executes it, and returns the response to the client via the socket |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
49 // connection. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
50 // |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
51 // As the socket is a UNIX domain socket it means that only clients on the |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
52 // local machine can connect. In addition there are two other aspects to |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
53 // the security: |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
54 // 1. The well known file that the socket is bound to has permission 400 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
55 // 2. When a client connect, the SO_PEERID socket option is used to |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
56 // obtain the credentials of client. We check that the effective uid |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
57 // of the client matches this process. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
58 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
59 // forward reference |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
60 class AixAttachOperation; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
61 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
62 class AixAttachListener: AllStatic { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
63 private: |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
64 // the path to which we bind the UNIX domain socket |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
65 static char _path[UNIX_PATH_MAX]; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
66 static bool _has_path; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
67 // Shutdown marker to prevent accept blocking during clean-up. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
68 static bool _shutdown; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
69 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
70 // the file descriptor for the listening socket |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
71 static int _listener; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
72 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
73 static void set_path(char* path) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
74 if (path == NULL) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
75 _has_path = false; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
76 } else { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
77 strncpy(_path, path, UNIX_PATH_MAX); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
78 _path[UNIX_PATH_MAX-1] = '\0'; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
79 _has_path = true; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
80 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
81 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
82 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
83 static void set_listener(int s) { _listener = s; } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
84 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
85 // reads a request from the given connected socket |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
86 static AixAttachOperation* read_request(int s); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
87 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
88 public: |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
89 enum { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
90 ATTACH_PROTOCOL_VER = 1 // protocol version |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
91 }; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
92 enum { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
93 ATTACH_ERROR_BADVERSION = 101 // error codes |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
94 }; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
95 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
96 // initialize the listener, returns 0 if okay |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
97 static int init(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
98 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
99 static char* path() { return _path; } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
100 static bool has_path() { return _has_path; } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
101 static int listener() { return _listener; } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
102 // Shutdown marker to prevent accept blocking during clean-up |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
103 static void set_shutdown(bool shutdown) { _shutdown = shutdown; } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
104 static bool is_shutdown() { return _shutdown; } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
105 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
106 // write the given buffer to a socket |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
107 static int write_fully(int s, char* buf, int len); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
108 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
109 static AixAttachOperation* dequeue(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
110 }; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
111 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
112 class AixAttachOperation: public AttachOperation { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
113 private: |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
114 // the connection to the client |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
115 int _socket; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
116 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
117 public: |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
118 void complete(jint res, bufferedStream* st); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
119 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
120 void set_socket(int s) { _socket = s; } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
121 int socket() const { return _socket; } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
122 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
123 AixAttachOperation(char* name) : AttachOperation(name) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
124 set_socket(-1); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
125 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
126 }; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
127 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
128 // statics |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
129 char AixAttachListener::_path[UNIX_PATH_MAX]; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
130 bool AixAttachListener::_has_path; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
131 int AixAttachListener::_listener = -1; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
132 // Shutdown marker to prevent accept blocking during clean-up |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
133 bool AixAttachListener::_shutdown = false; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
134 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
135 // Supporting class to help split a buffer into individual components |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
136 class ArgumentIterator : public StackObj { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
137 private: |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
138 char* _pos; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
139 char* _end; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
140 public: |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
141 ArgumentIterator(char* arg_buffer, size_t arg_size) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
142 _pos = arg_buffer; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
143 _end = _pos + arg_size - 1; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
144 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
145 char* next() { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
146 if (*_pos == '\0') { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
147 return NULL; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
148 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
149 char* res = _pos; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
150 char* next_pos = strchr(_pos, '\0'); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
151 if (next_pos < _end) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
152 next_pos++; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
153 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
154 _pos = next_pos; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
155 return res; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
156 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
157 }; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
158 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
159 // On AIX if sockets block until all data has been transmitted |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
160 // successfully in some communication domains a socket "close" may |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
161 // never complete. We have to take care that after the socket shutdown |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
162 // the listener never enters accept state. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
163 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
164 // atexit hook to stop listener and unlink the file that it is |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
165 // bound too. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
166 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
167 // Some modifications to the listener logic to prevent deadlocks on exit. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
168 // 1. We Shutdown the socket here instead. AixAttachOperation::complete() is not the right place |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
169 // since more than one agent in a sequence in JPLIS live tests wouldn't work (Listener thread |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
170 // would be dead after the first operation completion). |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
171 // 2. close(s) may never return if the listener thread is in socket accept(). Unlinking the file |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
172 // should be sufficient for cleanup. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
173 extern "C" { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
174 static void listener_cleanup() { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
175 static int cleanup_done; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
176 if (!cleanup_done) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
177 cleanup_done = 1; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
178 AixAttachListener::set_shutdown(true); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
179 int s = AixAttachListener::listener(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
180 if (s != -1) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
181 ::shutdown(s, 2); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
182 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
183 if (AixAttachListener::has_path()) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
184 ::unlink(AixAttachListener::path()); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
185 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
186 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
187 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
188 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
189 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
190 // Initialization - create a listener socket and bind it to a file |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
191 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
192 int AixAttachListener::init() { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
193 char path[UNIX_PATH_MAX]; // socket file |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
194 char initial_path[UNIX_PATH_MAX]; // socket file during setup |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
195 int listener; // listener socket (file descriptor) |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
196 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
197 // register function to cleanup |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
198 ::atexit(listener_cleanup); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
199 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
200 int n = snprintf(path, UNIX_PATH_MAX, "%s/.java_pid%d", |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
201 os::get_temp_directory(), os::current_process_id()); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
202 if (n < (int)UNIX_PATH_MAX) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
203 n = snprintf(initial_path, UNIX_PATH_MAX, "%s.tmp", path); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
204 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
205 if (n >= (int)UNIX_PATH_MAX) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
206 return -1; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
207 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
208 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
209 // create the listener socket |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
210 listener = ::socket(PF_UNIX, SOCK_STREAM, 0); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
211 if (listener == -1) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
212 return -1; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
213 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
214 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
215 // bind socket |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
216 struct sockaddr_un addr; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
217 addr.sun_family = AF_UNIX; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
218 strcpy(addr.sun_path, initial_path); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
219 ::unlink(initial_path); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
220 // We must call bind with the actual socketaddr length. This is obligatory for AS400. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
221 int res = ::bind(listener, (struct sockaddr*)&addr, SUN_LEN(&addr)); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
222 if (res == -1) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
223 RESTARTABLE(::close(listener), res); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
224 return -1; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
225 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
226 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
227 // put in listen mode, set permissions, and rename into place |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
228 res = ::listen(listener, 5); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
229 if (res == 0) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
230 RESTARTABLE(::chmod(initial_path, (S_IREAD|S_IWRITE) & ~(S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)), res); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
231 if (res == 0) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
232 res = ::rename(initial_path, path); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
233 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
234 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
235 if (res == -1) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
236 RESTARTABLE(::close(listener), res); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
237 ::unlink(initial_path); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
238 return -1; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
239 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
240 set_path(path); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
241 set_listener(listener); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
242 set_shutdown(false); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
243 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
244 return 0; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
245 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
246 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
247 // Given a socket that is connected to a peer we read the request and |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
248 // create an AttachOperation. As the socket is blocking there is potential |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
249 // for a denial-of-service if the peer does not response. However this happens |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
250 // after the peer credentials have been checked and in the worst case it just |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
251 // means that the attach listener thread is blocked. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
252 // |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
253 AixAttachOperation* AixAttachListener::read_request(int s) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
254 char ver_str[8]; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
255 sprintf(ver_str, "%d", ATTACH_PROTOCOL_VER); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
256 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
257 // The request is a sequence of strings so we first figure out the |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
258 // expected count and the maximum possible length of the request. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
259 // The request is: |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
260 // <ver>0<cmd>0<arg>0<arg>0<arg>0 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
261 // where <ver> is the protocol version (1), <cmd> is the command |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
262 // name ("load", "datadump", ...), and <arg> is an argument |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
263 int expected_str_count = 2 + AttachOperation::arg_count_max; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
264 const int max_len = (sizeof(ver_str) + 1) + (AttachOperation::name_length_max + 1) + |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
265 AttachOperation::arg_count_max*(AttachOperation::arg_length_max + 1); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
266 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
267 char buf[max_len]; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
268 int str_count = 0; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
269 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
270 // Read until all (expected) strings have been read, the buffer is |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
271 // full, or EOF. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
272 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
273 int off = 0; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
274 int left = max_len; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
275 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
276 do { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
277 int n; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
278 // Don't block on interrupts because this will |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
279 // hang in the clean-up when shutting down. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
280 n = read(s, buf+off, left); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
281 if (n == -1) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
282 return NULL; // reset by peer or other error |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
283 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
284 if (n == 0) { // end of file reached |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
285 break; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
286 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
287 for (int i=0; i<n; i++) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
288 if (buf[off+i] == 0) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
289 // EOS found |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
290 str_count++; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
291 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
292 // The first string is <ver> so check it now to |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
293 // check for protocol mis-match |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
294 if (str_count == 1) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
295 if ((strlen(buf) != strlen(ver_str)) || |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
296 (atoi(buf) != ATTACH_PROTOCOL_VER)) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
297 char msg[32]; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
298 sprintf(msg, "%d\n", ATTACH_ERROR_BADVERSION); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
299 write_fully(s, msg, strlen(msg)); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
300 return NULL; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
301 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
302 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
303 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
304 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
305 off += n; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
306 left -= n; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
307 } while (left > 0 && str_count < expected_str_count); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
308 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
309 if (str_count != expected_str_count) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
310 return NULL; // incomplete request |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
311 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
312 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
313 // parse request |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
314 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
315 ArgumentIterator args(buf, (max_len)-left); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
316 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
317 // version already checked |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
318 char* v = args.next(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
319 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
320 char* name = args.next(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
321 if (name == NULL || strlen(name) > AttachOperation::name_length_max) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
322 return NULL; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
323 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
324 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
325 AixAttachOperation* op = new AixAttachOperation(name); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
326 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
327 for (int i=0; i<AttachOperation::arg_count_max; i++) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
328 char* arg = args.next(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
329 if (arg == NULL) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
330 op->set_arg(i, NULL); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
331 } else { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
332 if (strlen(arg) > AttachOperation::arg_length_max) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
333 delete op; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
334 return NULL; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
335 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
336 op->set_arg(i, arg); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
337 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
338 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
339 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
340 op->set_socket(s); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
341 return op; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
342 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
343 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
344 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
345 // Dequeue an operation |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
346 // |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
347 // In the Linux implementation there is only a single operation and clients |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
348 // cannot queue commands (except at the socket level). |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
349 // |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
350 AixAttachOperation* AixAttachListener::dequeue() { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
351 for (;;) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
352 int s; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
353 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
354 // wait for client to connect |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
355 struct sockaddr addr; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
356 socklen_t len = sizeof(addr); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
357 memset(&addr, 0, len); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
358 // We must prevent accept blocking on the socket if it has been shut down. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
359 // Therefore we allow interrups and check whether we have been shut down already. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
360 if (AixAttachListener::is_shutdown()) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
361 return NULL; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
362 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
363 s=::accept(listener(), &addr, &len); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
364 if (s == -1) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
365 return NULL; // log a warning? |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
366 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
367 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
368 // Added timeouts for read and write. If we get no request within the |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
369 // next AttachListenerTimeout milliseconds we just finish the connection. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
370 struct timeval tv; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
371 tv.tv_sec = 0; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
372 tv.tv_usec = AttachListenerTimeout * 1000; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
373 ::setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, (char*)&tv, sizeof(tv)); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
374 ::setsockopt(s, SOL_SOCKET, SO_SNDTIMEO, (char*)&tv, sizeof(tv)); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
375 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
376 // get the credentials of the peer and check the effective uid/guid |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
377 // - check with jeff on this. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
378 struct peercred_struct cred_info; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
379 socklen_t optlen = sizeof(cred_info); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
380 if (::getsockopt(s, SOL_SOCKET, SO_PEERID, (void*)&cred_info, &optlen) == -1) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
381 int res; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
382 RESTARTABLE(::close(s), res); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
383 continue; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
384 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
385 uid_t euid = geteuid(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
386 gid_t egid = getegid(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
387 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
388 if (cred_info.euid != euid || cred_info.egid != egid) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
389 int res; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
390 RESTARTABLE(::close(s), res); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
391 continue; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
392 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
393 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
394 // peer credential look okay so we read the request |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
395 AixAttachOperation* op = read_request(s); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
396 if (op == NULL) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
397 int res; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
398 RESTARTABLE(::close(s), res); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
399 continue; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
400 } else { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
401 return op; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
402 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
403 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
404 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
405 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
406 // write the given buffer to the socket |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
407 int AixAttachListener::write_fully(int s, char* buf, int len) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
408 do { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
409 int n = ::write(s, buf, len); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
410 if (n == -1) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
411 if (errno != EINTR) return -1; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
412 } else { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
413 buf += n; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
414 len -= n; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
415 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
416 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
417 while (len > 0); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
418 return 0; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
419 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
420 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
421 // Complete an operation by sending the operation result and any result |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
422 // output to the client. At this time the socket is in blocking mode so |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
423 // potentially we can block if there is a lot of data and the client is |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
424 // non-responsive. For most operations this is a non-issue because the |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
425 // default send buffer is sufficient to buffer everything. In the future |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
426 // if there are operations that involves a very big reply then it the |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
427 // socket could be made non-blocking and a timeout could be used. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
428 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
429 void AixAttachOperation::complete(jint result, bufferedStream* st) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
430 JavaThread* thread = JavaThread::current(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
431 ThreadBlockInVM tbivm(thread); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
432 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
433 thread->set_suspend_equivalent(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
434 // cleared by handle_special_suspend_equivalent_condition() or |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
435 // java_suspend_self() via check_and_wait_while_suspended() |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
436 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
437 // write operation result |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
438 char msg[32]; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
439 sprintf(msg, "%d\n", result); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
440 int rc = AixAttachListener::write_fully(this->socket(), msg, strlen(msg)); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
441 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
442 // write any result data |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
443 if (rc == 0) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
444 // Shutdown the socket in the cleanup function to enable more than |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
445 // one agent attach in a sequence (see comments to listener_cleanup()). |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
446 AixAttachListener::write_fully(this->socket(), (char*) st->base(), st->size()); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
447 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
448 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
449 // done |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
450 RESTARTABLE(::close(this->socket()), rc); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
451 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
452 // were we externally suspended while we were waiting? |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
453 thread->check_and_wait_while_suspended(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
454 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
455 delete this; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
456 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
457 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
458 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
459 // AttachListener functions |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
460 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
461 AttachOperation* AttachListener::dequeue() { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
462 JavaThread* thread = JavaThread::current(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
463 ThreadBlockInVM tbivm(thread); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
464 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
465 thread->set_suspend_equivalent(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
466 // cleared by handle_special_suspend_equivalent_condition() or |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
467 // java_suspend_self() via check_and_wait_while_suspended() |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
468 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
469 AttachOperation* op = AixAttachListener::dequeue(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
470 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
471 // were we externally suspended while we were waiting? |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
472 thread->check_and_wait_while_suspended(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
473 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
474 return op; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
475 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
476 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
477 // Performs initialization at vm startup |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
478 // For AIX we remove any stale .java_pid file which could cause |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
479 // an attaching process to think we are ready to receive on the |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
480 // domain socket before we are properly initialized |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
481 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
482 void AttachListener::vm_start() { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
483 char fn[UNIX_PATH_MAX]; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
484 struct stat64 st; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
485 int ret; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
486 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
487 int n = snprintf(fn, UNIX_PATH_MAX, "%s/.java_pid%d", |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
488 os::get_temp_directory(), os::current_process_id()); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
489 assert(n < (int)UNIX_PATH_MAX, "java_pid file name buffer overflow"); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
490 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
491 RESTARTABLE(::stat64(fn, &st), ret); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
492 if (ret == 0) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
493 ret = ::unlink(fn); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
494 if (ret == -1) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
495 debug_only(warning("failed to remove stale attach pid file at %s", fn)); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
496 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
497 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
498 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
499 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
500 int AttachListener::pd_init() { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
501 JavaThread* thread = JavaThread::current(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
502 ThreadBlockInVM tbivm(thread); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
503 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
504 thread->set_suspend_equivalent(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
505 // cleared by handle_special_suspend_equivalent_condition() or |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
506 // java_suspend_self() via check_and_wait_while_suspended() |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
507 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
508 int ret_code = AixAttachListener::init(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
509 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
510 // were we externally suspended while we were waiting? |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
511 thread->check_and_wait_while_suspended(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
512 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
513 return ret_code; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
514 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
515 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
516 // Attach Listener is started lazily except in the case when |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
517 // +ReduseSignalUsage is used |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
518 bool AttachListener::init_at_startup() { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
519 if (ReduceSignalUsage) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
520 return true; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
521 } else { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
522 return false; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
523 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
524 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
525 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
526 // If the file .attach_pid<pid> exists in the working directory |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
527 // or /tmp then this is the trigger to start the attach mechanism |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
528 bool AttachListener::is_init_trigger() { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
529 if (init_at_startup() || is_initialized()) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
530 return false; // initialized at startup or already initialized |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
531 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
532 char fn[PATH_MAX+1]; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
533 sprintf(fn, ".attach_pid%d", os::current_process_id()); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
534 int ret; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
535 struct stat64 st; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
536 RESTARTABLE(::stat64(fn, &st), ret); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
537 if (ret == -1) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
538 snprintf(fn, sizeof(fn), "%s/.attach_pid%d", |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
539 os::get_temp_directory(), os::current_process_id()); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
540 RESTARTABLE(::stat64(fn, &st), ret); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
541 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
542 if (ret == 0) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
543 // simple check to avoid starting the attach mechanism when |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
544 // a bogus user creates the file |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
545 if (st.st_uid == geteuid()) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
546 init(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
547 return true; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
548 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
549 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
550 return false; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
551 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
552 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
553 // if VM aborts then remove listener |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
554 void AttachListener::abort() { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
555 listener_cleanup(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
556 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
557 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
558 void AttachListener::pd_data_dump() { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
559 os::signal_notify(SIGQUIT); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
560 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
561 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
562 AttachOperationFunctionInfo* AttachListener::pd_find_operation(const char* n) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
563 return NULL; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
564 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
565 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
566 jint AttachListener::pd_set_flag(AttachOperation* op, outputStream* out) { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
567 out->print_cr("flag '%s' cannot be changed", op->arg(0)); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
568 return JNI_ERR; |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
569 } |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
570 |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
571 void AttachListener::pd_detachall() { |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
572 // Cleanup server socket to detach clients. |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
573 listener_cleanup(); |
666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff
changeset
|
574 } |