pthread_cancelstub.c revision 1.1.2.3
1 /* $NetBSD: pthread_cancelstub.c,v 1.1.2.3 2002/08/02 22:20:48 nathanw Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Nathan J. Williams. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/msg.h> 40 #include <sys/types.h> 41 #include <sys/uio.h> 42 #include <sys/wait.h> 43 #include <fcntl.h> 44 #include <poll.h> 45 #include <stdarg.h> 46 #include <unistd.h> 47 48 /* XXX this is necessary to get the prototypes for the __sigsuspend14 49 * XXX and __msync13 internal names, instead of the application-visible 50 * XXX sigsuspend and msync names. It's kind of gross, but we're pretty 51 * XXX intimate with libc already. 52 */ 53 #define __LIBC12_SOURCE__ 54 #include <signal.h> 55 #include <sys/mman.h> 56 57 #include "pthread.h" 58 #include "pthread_int.h" 59 60 int _sys_close(int); 61 int _sys_fcntl(int, int, ...); 62 int _sys_fsync(int); 63 ssize_t _sys_msgrcv(int, void *, size_t, long, int); 64 int _sys_msgsnd(int, const void *, size_t, int); 65 int _sys___msync13(void *, size_t, int); 66 int _sys_nanosleep(const struct timespec *, struct timespec *); 67 int _sys_open(const char *, int, ...); 68 int _sys_poll(struct pollfd *, nfds_t, int); 69 ssize_t _sys_pread(int, void *, size_t, off_t); 70 ssize_t _sys_pwrite(int, const void *, size_t, off_t); 71 ssize_t _sys_read(int, void *, size_t); 72 ssize_t _sys_readv(int, const struct iovec *, int); 73 int _sys_select(int, fd_set *, fd_set *, fd_set *, struct timeval *); 74 int _sys_wait4(pid_t, int *, int, struct rusage *); 75 ssize_t _sys_write(int, const void *, size_t); 76 ssize_t _sys_writev(int, const struct iovec *, int); 77 78 79 int 80 close(int d) 81 { 82 int retval; 83 pthread_t self; 84 85 self = pthread__self(); 86 pthread__testcancel(self); 87 retval = _sys_close(d); 88 pthread__testcancel(self); 89 90 return retval; 91 } 92 93 int 94 fcntl(int fd, int cmd, ...) 95 { 96 int retval; 97 pthread_t self; 98 va_list ap; 99 100 self = pthread__self(); 101 pthread__testcancel(self); 102 va_start(ap, cmd); 103 retval = _sys_fcntl(fd, cmd, va_arg(ap, void *)); 104 va_end(ap); 105 pthread__testcancel(self); 106 107 return retval; 108 } 109 110 int 111 fsync(int d) 112 { 113 int retval; 114 pthread_t self; 115 116 self = pthread__self(); 117 pthread__testcancel(self); 118 retval = _sys_fsync(d); 119 pthread__testcancel(self); 120 121 return retval; 122 } 123 124 ssize_t 125 msgrcv(int msgid, void *msgp, size_t msgsz, long msgtyp, int msgflg) 126 { 127 ssize_t retval; 128 pthread_t self; 129 130 self = pthread__self(); 131 pthread__testcancel(self); 132 retval = _sys_msgrcv(msgid, msgp, msgsz, msgtyp, msgflg); 133 pthread__testcancel(self); 134 135 return retval; 136 } 137 138 int 139 msgsnd(int msgid, const void *msgp, size_t msgsz, int msgflg) 140 { 141 int retval; 142 pthread_t self; 143 144 self = pthread__self(); 145 pthread__testcancel(self); 146 retval = _sys_msgsnd(msgid, msgp, msgsz, msgflg); 147 pthread__testcancel(self); 148 149 return retval; 150 } 151 152 int 153 __msync13(void *addr, size_t len, int flags) 154 { 155 int retval; 156 pthread_t self; 157 158 self = pthread__self(); 159 pthread__testcancel(self); 160 retval = _sys___msync13(addr, len, flags); 161 pthread__testcancel(self); 162 163 return retval; 164 } 165 166 int 167 open(const char *path, int flags, ...) 168 { 169 int retval; 170 pthread_t self; 171 va_list ap; 172 173 self = pthread__self(); 174 pthread__testcancel(self); 175 va_start(ap, flags); 176 retval = _sys_open(path, flags, va_arg(ap, mode_t)); 177 va_end(ap); 178 pthread__testcancel(self); 179 180 return retval; 181 } 182 183 int 184 poll(struct pollfd *fds, nfds_t nfds, int timeout) 185 { 186 int retval; 187 pthread_t self; 188 189 self = pthread__self(); 190 pthread__testcancel(self); 191 retval = _sys_poll(fds, nfds, timeout); 192 pthread__testcancel(self); 193 194 return retval; 195 } 196 197 ssize_t 198 pread(int d, void *buf, size_t nbytes, off_t offset) 199 { 200 ssize_t retval; 201 pthread_t self; 202 203 self = pthread__self(); 204 pthread__testcancel(self); 205 retval = _sys_pread(d, buf, nbytes, offset); 206 pthread__testcancel(self); 207 208 return retval; 209 } 210 211 ssize_t 212 pwrite(int d, const void *buf, size_t nbytes, off_t offset) 213 { 214 ssize_t retval; 215 pthread_t self; 216 217 self = pthread__self(); 218 pthread__testcancel(self); 219 retval = _sys_pwrite(d, buf, nbytes, offset); 220 pthread__testcancel(self); 221 222 return retval; 223 } 224 225 ssize_t 226 read(int d, void *buf, size_t nbytes) 227 { 228 ssize_t retval; 229 pthread_t self; 230 231 self = pthread__self(); 232 pthread__testcancel(self); 233 retval = _sys_read(d, buf, nbytes); 234 pthread__testcancel(self); 235 236 return retval; 237 } 238 239 ssize_t 240 readv(int d, const struct iovec *iov, int iovcnt) 241 { 242 ssize_t retval; 243 pthread_t self; 244 245 self = pthread__self(); 246 pthread__testcancel(self); 247 retval = _sys_readv(d, iov, iovcnt); 248 pthread__testcancel(self); 249 250 return retval; 251 } 252 253 int 254 select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, 255 struct timeval *timeout) 256 { 257 int retval; 258 pthread_t self; 259 260 self = pthread__self(); 261 pthread__testcancel(self); 262 retval = _sys_select(nfds, readfds, writefds, exceptfds, timeout); 263 pthread__testcancel(self); 264 265 return retval; 266 } 267 268 pid_t 269 wait4(pid_t wpid, int *status, int options, struct rusage *rusage) 270 { 271 pid_t retval; 272 pthread_t self; 273 274 self = pthread__self(); 275 pthread__testcancel(self); 276 retval = _sys_wait4(wpid, status, options, rusage); 277 pthread__testcancel(self); 278 279 return retval; 280 } 281 282 ssize_t 283 write(int d, const void *buf, size_t nbytes) 284 { 285 ssize_t retval; 286 pthread_t self; 287 288 self = pthread__self(); 289 pthread__testcancel(self); 290 retval = _sys_write(d, buf, nbytes); 291 pthread__testcancel(self); 292 293 return retval; 294 } 295 296 ssize_t 297 writev(int d, const struct iovec *iov, int iovcnt) 298 { 299 ssize_t retval; 300 pthread_t self; 301 302 self = pthread__self(); 303 pthread__testcancel(self); 304 retval = _sys_writev(d, iov, iovcnt); 305 pthread__testcancel(self); 306 307 return retval; 308 } 309 310 311 __strong_alias(_close, close) 312 __strong_alias(_fcntl, fcntl) 313 __strong_alias(_fsync, fsync) 314 __strong_alias(_msgrcv, msgrcv) 315 __strong_alias(_msgsnd, msgsnd) 316 __strong_alias(___msync13, __msync13) 317 __strong_alias(_nanosleep, nanosleep) 318 __strong_alias(_open, open) 319 __strong_alias(_poll, poll) 320 __strong_alias(_pread, pread) 321 __strong_alias(_pwrite, pwrite) 322 __strong_alias(_read, read) 323 __strong_alias(_readv, readv) 324 __strong_alias(_select, select) 325 __strong_alias(_wait4, wait4) 326 __strong_alias(_write, write) 327 __strong_alias(_writev, writev) 328
Indexes created Sat Sep 20 22:09:52 GMT 2025