Mercurial > hg > truffle

annotate src/os/aix/vm/osThread_aix.hpp @ 21947:9f70fc90169d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Truffle: remove expensive assertion
author Andreas Woess <andreas.woess@oracle.com>
date Wed, 17 Jun 2015 04:09:30 +0200
parents 666e6ce3976c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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) 1999, 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 #ifndef OS_AIX_VM_OSTHREAD_AIX_HPP
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
27 #define OS_AIX_VM_OSTHREAD_AIX_HPP
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
28
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
29 public:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
30 typedef pid_t thread_id_t;
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 private:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
33 int _thread_type;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
34
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
35 public:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
36
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
37 int thread_type() const {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
38 return _thread_type;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
39 }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
40 void set_thread_type(int type) {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
41 _thread_type = type;
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
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
44 private:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
45
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
46 // _pthread_id is the pthread id, which is used by library calls
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
47 // (e.g. pthread_kill).
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
48 pthread_t _pthread_id;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
49
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
50 sigset_t _caller_sigmask; // Caller's signal mask
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
51
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
52 public:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
53
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
54 // Methods to save/restore caller's signal mask
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
55 sigset_t caller_sigmask() const { return _caller_sigmask; }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
56 void set_caller_sigmask(sigset_t sigmask) { _caller_sigmask = sigmask; }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
57
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
58 #ifndef PRODUCT
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
59 // Used for debugging, return a unique integer for each thread.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
60 int thread_identifier() const { return _thread_id; }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
61 #endif
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
62 #ifdef ASSERT
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
63 // We expect no reposition failures so kill vm if we get one.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
64 //
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
65 bool valid_reposition_failure() {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
66 return false;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
67 }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
68 #endif // ASSERT
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
69 pthread_t pthread_id() const {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
70 return _pthread_id;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
71 }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
72 void set_pthread_id(pthread_t tid) {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
73 _pthread_id = tid;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
74 }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
75
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
76 // ***************************************************************
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
77 // suspension support.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
78 // ***************************************************************
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
79
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
80 public:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
81 // flags that support signal based suspend/resume on Linux are in a
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
82 // separate class to avoid confusion with many flags in OSThread that
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
83 // are used by VM level suspend/resume.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
84 os::SuspendResume sr;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
85
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
86 // _ucontext and _siginfo are used by SR_handler() to save thread context,
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
87 // and they will later be used to walk the stack or reposition thread PC.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
88 // If the thread is not suspended in SR_handler() (e.g. self suspend),
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
89 // the value in _ucontext is meaningless, so we must use the last Java
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
90 // frame information as the frame. This will mean that for threads
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
91 // that are parked on a mutex the profiler (and safepoint mechanism)
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
92 // will see the thread as if it were still in the Java frame. This
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
93 // not a problem for the profiler since the Java frame is a close
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
94 // enough result. For the safepoint mechanism when the give it the
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
95 // Java frame we are not at a point where the safepoint needs the
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
96 // frame to that accurate (like for a compiled safepoint) since we
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
97 // should be in a place where we are native and will block ourselves
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
98 // if we transition.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
99 private:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
100 void* _siginfo;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
101 ucontext_t* _ucontext;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
102 int _expanding_stack; // non zero if manually expanding stack
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
103 address _alt_sig_stack; // address of base of alternate signal stack
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
104
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
105 public:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
106 void* siginfo() const { return _siginfo; }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
107 void set_siginfo(void* ptr) { _siginfo = ptr; }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
108 ucontext_t* ucontext() const { return _ucontext; }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
109 void set_ucontext(ucontext_t* ptr) { _ucontext = ptr; }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
110 void set_expanding_stack(void) { _expanding_stack = 1; }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
111 void clear_expanding_stack(void) { _expanding_stack = 0; }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
112 int expanding_stack(void) { return _expanding_stack; }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
113
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
114 void set_alt_sig_stack(address val) { _alt_sig_stack = val; }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
115 address alt_sig_stack(void) { return _alt_sig_stack; }
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 private:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
118 Monitor* _startThread_lock; // sync parent and child in thread creation
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 public:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
121
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
122 Monitor* startThread_lock() const {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
123 return _startThread_lock;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
124 }
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 // Platform dependent initialization and cleanup
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
128 // ***************************************************************
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
129
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
130 private:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
131
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
132 void pd_initialize();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
133 void pd_destroy();
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 public:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
136
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
137 // The last measured values of cpu timing to prevent the "stale
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
138 // value return" bug in thread_cpu_time.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
139 volatile struct {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
140 jlong sys;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
141 jlong user;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
142 } _last_cpu_times;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
143
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
simonis
parents:
diff changeset
144 #endif // OS_AIX_VM_OSTHREAD_AIX_HPP