Mercurial > hg > graal-compiler
annotate src/os/solaris/vm/hpi_solaris.hpp @ 1725:09cdb1e1c77b
Merge
author | trims |
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date | Fri, 20 Aug 2010 04:08:08 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
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0 | 1 /* |
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2 * Copyright (c) 1998, 2007, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 // | |
26 // Parts of the HPI interface for which the HotSparc does not use the | |
27 // HPI (because the interruptible IO mechanims used are different). | |
28 // | |
29 | |
30 #include <sys/socket.h> | |
31 #include <sys/poll.h> | |
32 #include <sys/filio.h> | |
33 #include <unistd.h> | |
34 #include <netdb.h> | |
35 #include <setjmp.h> | |
36 | |
37 // HPI_FileInterface | |
38 | |
39 // Many system calls can be interrupted by signals and must be restarted. | |
40 // Restart support was added without disturbing the extent of thread | |
41 // interruption support. | |
42 | |
43 inline int hpi::close(int fd) { | |
44 RESTARTABLE_RETURN_INT(::close(fd)); | |
45 } | |
46 | |
47 inline size_t hpi::read(int fd, void *buf, unsigned int nBytes) { | |
48 INTERRUPTIBLE_RETURN_INT(::read(fd, buf, nBytes), os::Solaris::clear_interrupted); | |
49 } | |
50 | |
51 inline size_t hpi::write(int fd, const void *buf, unsigned int nBytes) { | |
52 INTERRUPTIBLE_RETURN_INT(::write(fd, buf, nBytes), os::Solaris::clear_interrupted); | |
53 } | |
54 | |
55 | |
56 // HPI_SocketInterface | |
57 | |
58 inline int hpi::socket_close(int fd) { | |
59 RESTARTABLE_RETURN_INT(::close(fd)); | |
60 } | |
61 | |
62 inline int hpi::socket(int domain, int type, int protocol) { | |
63 return ::socket(domain, type, protocol); | |
64 } | |
65 | |
66 inline int hpi::recv(int fd, char *buf, int nBytes, int flags) { | |
67 INTERRUPTIBLE_RETURN_INT(::recv(fd, buf, nBytes, flags), os::Solaris::clear_interrupted); | |
68 } | |
69 | |
70 inline int hpi::send(int fd, char *buf, int nBytes, int flags) { | |
71 INTERRUPTIBLE_RETURN_INT(::send(fd, buf, nBytes, flags), os::Solaris::clear_interrupted); | |
72 } | |
73 | |
222 | 74 inline int hpi::raw_send(int fd, char *buf, int nBytes, int flags) { |
75 RESTARTABLE_RETURN_INT(::send(fd, buf, nBytes, flags)); | |
76 } | |
77 | |
0 | 78 // As both poll and select can be interrupted by signals, we have to be |
79 // prepared to restart the system call after updating the timeout, unless | |
80 // a poll() is done with timeout == -1, in which case we repeat with this | |
81 // "wait forever" value. | |
82 | |
83 inline int hpi::timeout(int fd, long timeout) { | |
84 int res; | |
85 struct timeval t; | |
86 julong prevtime, newtime; | |
87 static const char* aNull = 0; | |
88 | |
89 struct pollfd pfd; | |
90 pfd.fd = fd; | |
91 pfd.events = POLLIN; | |
92 | |
93 gettimeofday(&t, &aNull); | |
94 prevtime = ((julong)t.tv_sec * 1000) + t.tv_usec / 1000; | |
95 | |
96 for(;;) { | |
97 INTERRUPTIBLE_NORESTART(::poll(&pfd, 1, timeout), res, os::Solaris::clear_interrupted); | |
98 if(res == OS_ERR && errno == EINTR) { | |
99 if(timeout != -1) { | |
100 gettimeofday(&t, &aNull); | |
101 newtime = ((julong)t.tv_sec * 1000) + t.tv_usec /1000; | |
102 timeout -= newtime - prevtime; | |
103 if(timeout <= 0) | |
104 return OS_OK; | |
105 prevtime = newtime; | |
106 } | |
107 } else | |
108 return res; | |
109 } | |
110 } | |
111 | |
112 inline int hpi::listen(int fd, int count) { | |
113 if (fd < 0) | |
114 return OS_ERR; | |
115 | |
116 return ::listen(fd, count); | |
117 } | |
118 | |
119 inline int | |
120 hpi::connect(int fd, struct sockaddr *him, int len) { | |
121 do { | |
122 int _result; | |
123 INTERRUPTIBLE_NORESTART(::connect(fd, him, len), _result, | |
124 os::Solaris::clear_interrupted); | |
125 | |
126 // Depending on when thread interruption is reset, _result could be | |
127 // one of two values when errno == EINTR | |
128 | |
129 if (((_result == OS_INTRPT) || (_result == OS_ERR)) && (errno == EINTR)) { | |
130 /* restarting a connect() changes its errno semantics */ | |
131 INTERRUPTIBLE(::connect(fd, him, len), _result, | |
132 os::Solaris::clear_interrupted); | |
133 /* undo these changes */ | |
134 if (_result == OS_ERR) { | |
135 if (errno == EALREADY) errno = EINPROGRESS; /* fall through */ | |
136 else if (errno == EISCONN) { errno = 0; return OS_OK; } | |
137 } | |
138 } | |
139 return _result; | |
140 } while(false); | |
141 } | |
142 | |
143 inline int hpi::accept(int fd, struct sockaddr *him, int *len) { | |
144 if (fd < 0) | |
145 return OS_ERR; | |
146 INTERRUPTIBLE_RETURN_INT((int)::accept(fd, him, (socklen_t*) len), os::Solaris::clear_interrupted); | |
147 } | |
148 | |
149 inline int hpi::recvfrom(int fd, char *buf, int nBytes, int flags, | |
150 sockaddr *from, int *fromlen) { | |
151 //%%note jvm_r11 | |
152 INTERRUPTIBLE_RETURN_INT((int)::recvfrom(fd, buf, nBytes, (unsigned int) flags, from, (socklen_t *)fromlen), os::Solaris::clear_interrupted); | |
153 } | |
154 | |
155 inline int hpi::sendto(int fd, char *buf, int len, int flags, | |
156 struct sockaddr *to, int tolen) { | |
157 //%%note jvm_r11 | |
158 INTERRUPTIBLE_RETURN_INT((int)::sendto(fd, buf, len, (unsigned int) flags, to, tolen),os::Solaris::clear_interrupted); | |
159 } | |
160 | |
161 inline int hpi::socket_available(int fd, jint *pbytes) { | |
162 if (fd < 0) | |
163 return OS_OK; | |
164 | |
165 int ret; | |
166 | |
167 RESTARTABLE(::ioctl(fd, FIONREAD, pbytes), ret); | |
168 | |
169 //%% note ioctl can return 0 when successful, JVM_SocketAvailable | |
170 // is expected to return 0 on failure and 1 on success to the jdk. | |
171 | |
172 return (ret == OS_ERR) ? 0 : 1; | |
173 } | |
174 | |
175 | |
176 /* | |
177 HPIDECL(socket_shutdown, "socket_shutdown", _socket, SocketShutdown, | |
178 int, "%d", | |
179 (int fd, int howto), | |
180 ("fd = %d, howto = %d", fd, howto), | |
181 (fd, howto)); | |
182 */ | |
183 inline int hpi::socket_shutdown(int fd, int howto){ | |
184 return ::shutdown(fd, howto); | |
185 } | |
186 | |
187 /* | |
188 HPIDECL(bind, "bind", _socket, Bind, | |
189 int, "%d", | |
190 (int fd, struct sockaddr *him, int len), | |
191 ("fd = %d, him = %p, len = %d", | |
192 fd, him, len), | |
193 (fd, him, len)); | |
194 */ | |
195 inline int hpi::bind(int fd, struct sockaddr *him, int len){ | |
196 INTERRUPTIBLE_RETURN_INT_NORESTART(::bind(fd, him, len),os::Solaris::clear_interrupted); | |
197 } | |
198 | |
199 /* | |
200 HPIDECL(get_sock_name, "get_sock_name", _socket, GetSocketName, | |
201 int, "%d", | |
202 (int fd, struct sockaddr *him, int *len), | |
203 ("fd = %d, him = %p, len = %p", | |
204 fd, him, len), | |
205 (fd, him, len)); | |
206 */ | |
207 inline int hpi::get_sock_name(int fd, struct sockaddr *him, int *len){ | |
208 return ::getsockname(fd, him, (socklen_t*) len); | |
209 } | |
210 | |
211 /* | |
212 HPIDECL(get_host_name, "get_host_name", _socket, GetHostName, int, "%d", | |
213 (char *hostname, int namelen), | |
214 ("hostname = %p, namelen = %d", | |
215 hostname, namelen), | |
216 (hostname, namelen)); | |
217 */ | |
218 inline int hpi::get_host_name(char* name, int namelen){ | |
219 return ::gethostname(name, namelen); | |
220 } | |
221 | |
222 /* | |
223 HPIDECL(get_sock_opt, "get_sock_opt", _socket, SocketGetOption, int, "%d", | |
224 (int fd, int level, int optname, char *optval, int* optlen), | |
225 ("fd = %d, level = %d, optname = %d, optval = %p, optlen = %p", | |
226 fd, level, optname, optval, optlen), | |
227 (fd, level, optname, optval, optlen)); | |
228 */ | |
229 inline int hpi::get_sock_opt(int fd, int level, int optname, | |
230 char *optval, int* optlen){ | |
231 return ::getsockopt(fd, level, optname, optval, (socklen_t*) optlen); | |
232 } | |
233 | |
234 /* | |
235 HPIDECL(set_sock_opt, "set_sock_opt", _socket, SocketSetOption, int, "%d", | |
236 (int fd, int level, int optname, const char *optval, int optlen), | |
237 ("fd = %d, level = %d, optname = %d, optval = %p, optlen = %d", | |
238 fd, level, optname, optval, optlen), | |
239 (fd, level, optname, optval, optlen)); | |
240 */ | |
241 inline int hpi::set_sock_opt(int fd, int level, int optname, | |
242 const char *optval, int optlen){ | |
243 return ::setsockopt(fd, level, optname, optval, optlen); | |
244 } | |
245 | |
246 //Reconciliation History | |
247 // 1.3 98/10/21 18:17:14 hpi_win32.hpp | |
248 // 1.6 99/06/28 11:01:36 hpi_win32.hpp | |
249 //End |