pthread_cancelstub.c revision 1.1.2.6 1 1.1.2.6 thorpej /* $NetBSD: pthread_cancelstub.c,v 1.1.2.6 2003/01/08 19:34:22 thorpej Exp $ */
2 1.1.2.1 nathanw
3 1.1.2.1 nathanw /*-
4 1.1.2.1 nathanw * Copyright (c) 2002 The NetBSD Foundation, Inc.
5 1.1.2.1 nathanw * All rights reserved.
6 1.1.2.1 nathanw *
7 1.1.2.1 nathanw * This code is derived from software contributed to The NetBSD Foundation
8 1.1.2.1 nathanw * by Nathan J. Williams.
9 1.1.2.1 nathanw *
10 1.1.2.1 nathanw * Redistribution and use in source and binary forms, with or without
11 1.1.2.1 nathanw * modification, are permitted provided that the following conditions
12 1.1.2.1 nathanw * are met:
13 1.1.2.1 nathanw * 1. Redistributions of source code must retain the above copyright
14 1.1.2.1 nathanw * notice, this list of conditions and the following disclaimer.
15 1.1.2.1 nathanw * 2. Redistributions in binary form must reproduce the above copyright
16 1.1.2.1 nathanw * notice, this list of conditions and the following disclaimer in the
17 1.1.2.1 nathanw * documentation and/or other materials provided with the distribution.
18 1.1.2.1 nathanw * 3. All advertising materials mentioning features or use of this software
19 1.1.2.1 nathanw * must display the following acknowledgement:
20 1.1.2.1 nathanw * This product includes software developed by the NetBSD
21 1.1.2.1 nathanw * Foundation, Inc. and its contributors.
22 1.1.2.1 nathanw * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.1.2.1 nathanw * contributors may be used to endorse or promote products derived
24 1.1.2.1 nathanw * from this software without specific prior written permission.
25 1.1.2.1 nathanw *
26 1.1.2.1 nathanw * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.1.2.1 nathanw * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.1.2.1 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.1.2.1 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.1.2.1 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.1.2.1 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.1.2.1 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.1.2.1 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.1.2.1 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.1.2.1 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.1.2.1 nathanw * POSSIBILITY OF SUCH DAMAGE.
37 1.1.2.1 nathanw */
38 1.1.2.1 nathanw
39 1.1.2.1 nathanw #include <sys/msg.h>
40 1.1.2.1 nathanw #include <sys/types.h>
41 1.1.2.1 nathanw #include <sys/uio.h>
42 1.1.2.1 nathanw #include <sys/wait.h>
43 1.1.2.1 nathanw #include <fcntl.h>
44 1.1.2.1 nathanw #include <poll.h>
45 1.1.2.1 nathanw #include <stdarg.h>
46 1.1.2.1 nathanw #include <unistd.h>
47 1.1.2.6 thorpej
48 1.1.2.6 thorpej int pthread__cancel_stub_binder;
49 1.1.2.1 nathanw
50 1.1.2.5 skrll /*
51 1.1.2.5 skrll * XXX this is necessary to get the prototypes for the __sigsuspend14
52 1.1.2.1 nathanw * XXX and __msync13 internal names, instead of the application-visible
53 1.1.2.1 nathanw * XXX sigsuspend and msync names. It's kind of gross, but we're pretty
54 1.1.2.1 nathanw * XXX intimate with libc already.
55 1.1.2.1 nathanw */
56 1.1.2.1 nathanw #define __LIBC12_SOURCE__
57 1.1.2.1 nathanw #include <signal.h>
58 1.1.2.1 nathanw #include <sys/mman.h>
59 1.1.2.1 nathanw
60 1.1.2.1 nathanw #include "pthread.h"
61 1.1.2.1 nathanw #include "pthread_int.h"
62 1.1.2.1 nathanw
63 1.1.2.3 nathanw int _sys_close(int);
64 1.1.2.3 nathanw int _sys_fcntl(int, int, ...);
65 1.1.2.3 nathanw int _sys_fsync(int);
66 1.1.2.3 nathanw ssize_t _sys_msgrcv(int, void *, size_t, long, int);
67 1.1.2.3 nathanw int _sys_msgsnd(int, const void *, size_t, int);
68 1.1.2.3 nathanw int _sys___msync13(void *, size_t, int);
69 1.1.2.3 nathanw int _sys_nanosleep(const struct timespec *, struct timespec *);
70 1.1.2.3 nathanw int _sys_open(const char *, int, ...);
71 1.1.2.3 nathanw int _sys_poll(struct pollfd *, nfds_t, int);
72 1.1.2.3 nathanw ssize_t _sys_pread(int, void *, size_t, off_t);
73 1.1.2.3 nathanw ssize_t _sys_pwrite(int, const void *, size_t, off_t);
74 1.1.2.3 nathanw ssize_t _sys_read(int, void *, size_t);
75 1.1.2.3 nathanw ssize_t _sys_readv(int, const struct iovec *, int);
76 1.1.2.3 nathanw int _sys_select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
77 1.1.2.3 nathanw int _sys_wait4(pid_t, int *, int, struct rusage *);
78 1.1.2.3 nathanw ssize_t _sys_write(int, const void *, size_t);
79 1.1.2.3 nathanw ssize_t _sys_writev(int, const struct iovec *, int);
80 1.1.2.1 nathanw
81 1.1.2.1 nathanw
82 1.1.2.1 nathanw int
83 1.1.2.1 nathanw close(int d)
84 1.1.2.1 nathanw {
85 1.1.2.1 nathanw int retval;
86 1.1.2.1 nathanw pthread_t self;
87 1.1.2.1 nathanw
88 1.1.2.1 nathanw self = pthread__self();
89 1.1.2.1 nathanw pthread__testcancel(self);
90 1.1.2.3 nathanw retval = _sys_close(d);
91 1.1.2.1 nathanw pthread__testcancel(self);
92 1.1.2.1 nathanw
93 1.1.2.1 nathanw return retval;
94 1.1.2.1 nathanw }
95 1.1.2.1 nathanw
96 1.1.2.1 nathanw int
97 1.1.2.1 nathanw fcntl(int fd, int cmd, ...)
98 1.1.2.1 nathanw {
99 1.1.2.1 nathanw int retval;
100 1.1.2.1 nathanw pthread_t self;
101 1.1.2.1 nathanw va_list ap;
102 1.1.2.1 nathanw
103 1.1.2.1 nathanw self = pthread__self();
104 1.1.2.1 nathanw pthread__testcancel(self);
105 1.1.2.1 nathanw va_start(ap, cmd);
106 1.1.2.3 nathanw retval = _sys_fcntl(fd, cmd, va_arg(ap, void *));
107 1.1.2.1 nathanw va_end(ap);
108 1.1.2.1 nathanw pthread__testcancel(self);
109 1.1.2.1 nathanw
110 1.1.2.1 nathanw return retval;
111 1.1.2.1 nathanw }
112 1.1.2.1 nathanw
113 1.1.2.1 nathanw int
114 1.1.2.1 nathanw fsync(int d)
115 1.1.2.1 nathanw {
116 1.1.2.1 nathanw int retval;
117 1.1.2.1 nathanw pthread_t self;
118 1.1.2.1 nathanw
119 1.1.2.1 nathanw self = pthread__self();
120 1.1.2.1 nathanw pthread__testcancel(self);
121 1.1.2.3 nathanw retval = _sys_fsync(d);
122 1.1.2.1 nathanw pthread__testcancel(self);
123 1.1.2.1 nathanw
124 1.1.2.1 nathanw return retval;
125 1.1.2.1 nathanw }
126 1.1.2.1 nathanw
127 1.1.2.1 nathanw ssize_t
128 1.1.2.1 nathanw msgrcv(int msgid, void *msgp, size_t msgsz, long msgtyp, int msgflg)
129 1.1.2.1 nathanw {
130 1.1.2.1 nathanw ssize_t retval;
131 1.1.2.1 nathanw pthread_t self;
132 1.1.2.1 nathanw
133 1.1.2.1 nathanw self = pthread__self();
134 1.1.2.1 nathanw pthread__testcancel(self);
135 1.1.2.3 nathanw retval = _sys_msgrcv(msgid, msgp, msgsz, msgtyp, msgflg);
136 1.1.2.1 nathanw pthread__testcancel(self);
137 1.1.2.1 nathanw
138 1.1.2.1 nathanw return retval;
139 1.1.2.1 nathanw }
140 1.1.2.1 nathanw
141 1.1.2.1 nathanw int
142 1.1.2.1 nathanw msgsnd(int msgid, const void *msgp, size_t msgsz, int msgflg)
143 1.1.2.1 nathanw {
144 1.1.2.1 nathanw int retval;
145 1.1.2.1 nathanw pthread_t self;
146 1.1.2.1 nathanw
147 1.1.2.1 nathanw self = pthread__self();
148 1.1.2.1 nathanw pthread__testcancel(self);
149 1.1.2.3 nathanw retval = _sys_msgsnd(msgid, msgp, msgsz, msgflg);
150 1.1.2.1 nathanw pthread__testcancel(self);
151 1.1.2.1 nathanw
152 1.1.2.1 nathanw return retval;
153 1.1.2.1 nathanw }
154 1.1.2.1 nathanw
155 1.1.2.1 nathanw int
156 1.1.2.1 nathanw __msync13(void *addr, size_t len, int flags)
157 1.1.2.1 nathanw {
158 1.1.2.1 nathanw int retval;
159 1.1.2.1 nathanw pthread_t self;
160 1.1.2.1 nathanw
161 1.1.2.1 nathanw self = pthread__self();
162 1.1.2.1 nathanw pthread__testcancel(self);
163 1.1.2.3 nathanw retval = _sys___msync13(addr, len, flags);
164 1.1.2.4 nathanw pthread__testcancel(self);
165 1.1.2.4 nathanw
166 1.1.2.4 nathanw return retval;
167 1.1.2.4 nathanw }
168 1.1.2.4 nathanw
169 1.1.2.4 nathanw int
170 1.1.2.4 nathanw nanosleep(const struct timespec *rqtp, struct timespec *rmtp)
171 1.1.2.4 nathanw {
172 1.1.2.4 nathanw int retval;
173 1.1.2.4 nathanw pthread_t self;
174 1.1.2.4 nathanw
175 1.1.2.4 nathanw self = pthread__self();
176 1.1.2.4 nathanw pthread__testcancel(self);
177 1.1.2.4 nathanw retval = _sys_nanosleep(rqtp, rmtp);
178 1.1.2.1 nathanw pthread__testcancel(self);
179 1.1.2.1 nathanw
180 1.1.2.1 nathanw return retval;
181 1.1.2.1 nathanw }
182 1.1.2.1 nathanw
183 1.1.2.1 nathanw int
184 1.1.2.1 nathanw open(const char *path, int flags, ...)
185 1.1.2.1 nathanw {
186 1.1.2.1 nathanw int retval;
187 1.1.2.1 nathanw pthread_t self;
188 1.1.2.1 nathanw va_list ap;
189 1.1.2.1 nathanw
190 1.1.2.1 nathanw self = pthread__self();
191 1.1.2.1 nathanw pthread__testcancel(self);
192 1.1.2.1 nathanw va_start(ap, flags);
193 1.1.2.3 nathanw retval = _sys_open(path, flags, va_arg(ap, mode_t));
194 1.1.2.1 nathanw va_end(ap);
195 1.1.2.1 nathanw pthread__testcancel(self);
196 1.1.2.1 nathanw
197 1.1.2.1 nathanw return retval;
198 1.1.2.1 nathanw }
199 1.1.2.1 nathanw
200 1.1.2.1 nathanw int
201 1.1.2.1 nathanw poll(struct pollfd *fds, nfds_t nfds, int timeout)
202 1.1.2.1 nathanw {
203 1.1.2.1 nathanw int retval;
204 1.1.2.1 nathanw pthread_t self;
205 1.1.2.1 nathanw
206 1.1.2.1 nathanw self = pthread__self();
207 1.1.2.1 nathanw pthread__testcancel(self);
208 1.1.2.3 nathanw retval = _sys_poll(fds, nfds, timeout);
209 1.1.2.1 nathanw pthread__testcancel(self);
210 1.1.2.1 nathanw
211 1.1.2.1 nathanw return retval;
212 1.1.2.1 nathanw }
213 1.1.2.1 nathanw
214 1.1.2.1 nathanw ssize_t
215 1.1.2.1 nathanw pread(int d, void *buf, size_t nbytes, off_t offset)
216 1.1.2.1 nathanw {
217 1.1.2.1 nathanw ssize_t retval;
218 1.1.2.1 nathanw pthread_t self;
219 1.1.2.1 nathanw
220 1.1.2.1 nathanw self = pthread__self();
221 1.1.2.1 nathanw pthread__testcancel(self);
222 1.1.2.3 nathanw retval = _sys_pread(d, buf, nbytes, offset);
223 1.1.2.1 nathanw pthread__testcancel(self);
224 1.1.2.1 nathanw
225 1.1.2.1 nathanw return retval;
226 1.1.2.1 nathanw }
227 1.1.2.1 nathanw
228 1.1.2.1 nathanw ssize_t
229 1.1.2.1 nathanw pwrite(int d, const void *buf, size_t nbytes, off_t offset)
230 1.1.2.1 nathanw {
231 1.1.2.1 nathanw ssize_t retval;
232 1.1.2.1 nathanw pthread_t self;
233 1.1.2.1 nathanw
234 1.1.2.1 nathanw self = pthread__self();
235 1.1.2.1 nathanw pthread__testcancel(self);
236 1.1.2.3 nathanw retval = _sys_pwrite(d, buf, nbytes, offset);
237 1.1.2.1 nathanw pthread__testcancel(self);
238 1.1.2.1 nathanw
239 1.1.2.1 nathanw return retval;
240 1.1.2.1 nathanw }
241 1.1.2.1 nathanw
242 1.1.2.1 nathanw ssize_t
243 1.1.2.1 nathanw read(int d, void *buf, size_t nbytes)
244 1.1.2.1 nathanw {
245 1.1.2.1 nathanw ssize_t retval;
246 1.1.2.1 nathanw pthread_t self;
247 1.1.2.1 nathanw
248 1.1.2.1 nathanw self = pthread__self();
249 1.1.2.1 nathanw pthread__testcancel(self);
250 1.1.2.3 nathanw retval = _sys_read(d, buf, nbytes);
251 1.1.2.1 nathanw pthread__testcancel(self);
252 1.1.2.1 nathanw
253 1.1.2.1 nathanw return retval;
254 1.1.2.1 nathanw }
255 1.1.2.1 nathanw
256 1.1.2.1 nathanw ssize_t
257 1.1.2.1 nathanw readv(int d, const struct iovec *iov, int iovcnt)
258 1.1.2.1 nathanw {
259 1.1.2.1 nathanw ssize_t retval;
260 1.1.2.1 nathanw pthread_t self;
261 1.1.2.1 nathanw
262 1.1.2.1 nathanw self = pthread__self();
263 1.1.2.1 nathanw pthread__testcancel(self);
264 1.1.2.3 nathanw retval = _sys_readv(d, iov, iovcnt);
265 1.1.2.1 nathanw pthread__testcancel(self);
266 1.1.2.1 nathanw
267 1.1.2.1 nathanw return retval;
268 1.1.2.1 nathanw }
269 1.1.2.1 nathanw
270 1.1.2.1 nathanw int
271 1.1.2.1 nathanw select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
272 1.1.2.1 nathanw struct timeval *timeout)
273 1.1.2.1 nathanw {
274 1.1.2.1 nathanw int retval;
275 1.1.2.1 nathanw pthread_t self;
276 1.1.2.1 nathanw
277 1.1.2.1 nathanw self = pthread__self();
278 1.1.2.1 nathanw pthread__testcancel(self);
279 1.1.2.3 nathanw retval = _sys_select(nfds, readfds, writefds, exceptfds, timeout);
280 1.1.2.1 nathanw pthread__testcancel(self);
281 1.1.2.1 nathanw
282 1.1.2.1 nathanw return retval;
283 1.1.2.1 nathanw }
284 1.1.2.1 nathanw
285 1.1.2.1 nathanw pid_t
286 1.1.2.1 nathanw wait4(pid_t wpid, int *status, int options, struct rusage *rusage)
287 1.1.2.1 nathanw {
288 1.1.2.1 nathanw pid_t retval;
289 1.1.2.1 nathanw pthread_t self;
290 1.1.2.1 nathanw
291 1.1.2.1 nathanw self = pthread__self();
292 1.1.2.1 nathanw pthread__testcancel(self);
293 1.1.2.3 nathanw retval = _sys_wait4(wpid, status, options, rusage);
294 1.1.2.1 nathanw pthread__testcancel(self);
295 1.1.2.1 nathanw
296 1.1.2.1 nathanw return retval;
297 1.1.2.1 nathanw }
298 1.1.2.1 nathanw
299 1.1.2.1 nathanw ssize_t
300 1.1.2.1 nathanw write(int d, const void *buf, size_t nbytes)
301 1.1.2.1 nathanw {
302 1.1.2.1 nathanw ssize_t retval;
303 1.1.2.1 nathanw pthread_t self;
304 1.1.2.1 nathanw
305 1.1.2.1 nathanw self = pthread__self();
306 1.1.2.1 nathanw pthread__testcancel(self);
307 1.1.2.3 nathanw retval = _sys_write(d, buf, nbytes);
308 1.1.2.1 nathanw pthread__testcancel(self);
309 1.1.2.1 nathanw
310 1.1.2.1 nathanw return retval;
311 1.1.2.1 nathanw }
312 1.1.2.1 nathanw
313 1.1.2.1 nathanw ssize_t
314 1.1.2.1 nathanw writev(int d, const struct iovec *iov, int iovcnt)
315 1.1.2.1 nathanw {
316 1.1.2.1 nathanw ssize_t retval;
317 1.1.2.1 nathanw pthread_t self;
318 1.1.2.1 nathanw
319 1.1.2.1 nathanw self = pthread__self();
320 1.1.2.1 nathanw pthread__testcancel(self);
321 1.1.2.3 nathanw retval = _sys_writev(d, iov, iovcnt);
322 1.1.2.1 nathanw pthread__testcancel(self);
323 1.1.2.1 nathanw
324 1.1.2.1 nathanw return retval;
325 1.1.2.1 nathanw }
326 1.1.2.3 nathanw
327 1.1.2.3 nathanw
328 1.1.2.3 nathanw __strong_alias(_close, close)
329 1.1.2.3 nathanw __strong_alias(_fcntl, fcntl)
330 1.1.2.3 nathanw __strong_alias(_fsync, fsync)
331 1.1.2.3 nathanw __strong_alias(_msgrcv, msgrcv)
332 1.1.2.3 nathanw __strong_alias(_msgsnd, msgsnd)
333 1.1.2.3 nathanw __strong_alias(___msync13, __msync13)
334 1.1.2.3 nathanw __strong_alias(_nanosleep, nanosleep)
335 1.1.2.3 nathanw __strong_alias(_open, open)
336 1.1.2.3 nathanw __strong_alias(_poll, poll)
337 1.1.2.3 nathanw __strong_alias(_pread, pread)
338 1.1.2.3 nathanw __strong_alias(_pwrite, pwrite)
339 1.1.2.3 nathanw __strong_alias(_read, read)
340 1.1.2.3 nathanw __strong_alias(_readv, readv)
341 1.1.2.3 nathanw __strong_alias(_select, select)
342 1.1.2.3 nathanw __strong_alias(_wait4, wait4)
343 1.1.2.3 nathanw __strong_alias(_write, write)
344 1.1.2.3 nathanw __strong_alias(_writev, writev)
345