2 * Copyright (C) 2005 David Xu <davidxu@freebsd.org>.
3 * Copyright (c) 2003 Daniel Eischen <deischen@freebsd.org>.
4 * Copyright (C) 2000 Jason Evans <jasone@freebsd.org>.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice(s), this list of conditions and the following disclaimer as
12 * the first lines of this file unmodified other than the possible
13 * addition of one or more copyright notices.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice(s), this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
20 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
26 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
28 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
29 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 * $DragonFly: src/lib/libthread_xu/thread/thr_syscalls.c,v 1.2 2005/02/21 13:40:00 davidxu Exp $
35 * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au>
36 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
41 * 1. Redistributions of source code must retain the above copyright
42 * notice, this list of conditions and the following disclaimer.
43 * 2. Redistributions in binary form must reproduce the above copyright
44 * notice, this list of conditions and the following disclaimer in the
45 * documentation and/or other materials provided with the distribution.
46 * 3. All advertising materials mentioning features or use of this software
47 * must display the following acknowledgement:
48 * This product includes software developed by John Birrell.
49 * 4. Neither the name of the author nor the names of any co-contributors
50 * may be used to endorse or promote products derived from this software
51 * without specific prior written permission.
53 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
56 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
67 #include <sys/cdefs.h>
68 #include <sys/types.h>
70 #include <sys/param.h>
71 #include <sys/select.h>
72 #include <sys/signalvar.h>
73 #include <sys/socket.h>
92 #include "thr_private.h"
94 extern int __creat(const char *, mode_t);
95 extern int __pause(void);
96 extern int __pselect(int count, fd_set *rfds, fd_set *wfds, fd_set *efds,
97 const struct timespec *timo, const sigset_t *mask);
98 extern unsigned int __sleep(unsigned int);
99 extern int __system(const char *);
100 extern int __tcdrain(int);
101 extern pid_t __wait(int *);
102 extern pid_t __sys_wait4(pid_t, int *, int, struct rusage *);
103 extern pid_t __waitpid(pid_t, int *, int);
105 __weak_reference(__accept, accept);
107 __accept(int s, struct sockaddr *addr, socklen_t *addrlen)
109 struct pthread *curthread;
113 curthread = _get_curthread();
114 oldcancel = _thr_cancel_enter(curthread);
115 ret = __sys_accept(s, addr, addrlen);
116 _thr_cancel_leave(curthread, oldcancel);
121 __weak_reference(_aio_suspend, aio_suspend);
124 _aio_suspend(const struct aiocb * const iocbs[], int niocb, const struct
127 struct pthread *curthread = _get_curthread();
131 oldcancel = _thr_cancel_enter(curthread);
132 ret = __sys_aio_suspend(iocbs, niocb, timeout);
133 _thr_cancel_leave(curthread, oldcancel);
138 __weak_reference(__close, close);
143 struct pthread *curthread = _get_curthread();
147 oldcancel = _thr_cancel_enter(curthread);
148 ret = __sys_close(fd);
149 _thr_cancel_leave(curthread, oldcancel);
154 __weak_reference(__connect, connect);
157 __connect(int fd, const struct sockaddr *name, socklen_t namelen)
159 struct pthread *curthread = _get_curthread();
163 curthread = _get_curthread();
164 oldcancel = _thr_cancel_enter(curthread);
165 ret = __sys_connect(fd, name, namelen);
166 _thr_cancel_leave(curthread, oldcancel);
171 __weak_reference(___creat, creat);
174 ___creat(const char *path, mode_t mode)
176 struct pthread *curthread = _get_curthread();
180 oldcancel = _thr_cancel_enter(curthread);
181 ret = __creat(path, mode);
182 _thr_cancel_leave(curthread, oldcancel);
187 __weak_reference(__fcntl, fcntl);
190 __fcntl(int fd, int cmd,...)
192 struct pthread *curthread = _get_curthread();
197 oldcancel = _thr_cancel_enter(curthread);
202 ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
206 ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
210 ret = __sys_fcntl(fd, cmd);
213 ret = __sys_fcntl(fd, cmd, va_arg(ap, void *));
217 _thr_cancel_leave(curthread, oldcancel);
222 __weak_reference(__fsync, fsync);
227 struct pthread *curthread = _get_curthread();
231 oldcancel = _thr_cancel_enter(curthread);
232 ret = __sys_fsync(fd);
233 _thr_cancel_leave(curthread, oldcancel);
238 __weak_reference(__msync, msync);
241 __msync(void *addr, size_t len, int flags)
243 struct pthread *curthread = _get_curthread();
247 oldcancel = _thr_cancel_enter(curthread);
248 ret = __sys_msync(addr, len, flags);
249 _thr_cancel_leave(curthread, oldcancel);
254 __weak_reference(__nanosleep, nanosleep);
257 __nanosleep(const struct timespec *time_to_sleep,
258 struct timespec *time_remaining)
260 struct pthread *curthread = _get_curthread();
264 oldcancel = _thr_cancel_enter(curthread);
265 ret = __sys_nanosleep(time_to_sleep, time_remaining);
266 _thr_cancel_leave(curthread, oldcancel);
271 __weak_reference(___open, open);
274 ___open(const char *path, int flags,...)
276 struct pthread *curthread = _get_curthread();
282 oldcancel = _thr_cancel_enter(curthread);
284 /* Check if the file is being created: */
285 if (flags & O_CREAT) {
286 /* Get the creation mode: */
288 mode = va_arg(ap, int);
292 ret = __sys_open(path, flags, mode);
294 _thr_cancel_leave(curthread, oldcancel);
299 __weak_reference(_pause, pause);
304 struct pthread *curthread = _get_curthread();
308 oldcancel = _thr_cancel_enter(curthread);
310 _thr_cancel_leave(curthread, oldcancel);
315 __weak_reference(__poll, poll);
318 __poll(struct pollfd *fds, unsigned int nfds, int timeout)
320 struct pthread *curthread = _get_curthread();
324 oldcancel = _thr_cancel_enter(curthread);
325 ret = __sys_poll(fds, nfds, timeout);
326 _thr_cancel_leave(curthread, oldcancel);
332 __weak_reference(_pselect, pselect);
335 _pselect(int count, fd_set *rfds, fd_set *wfds, fd_set *efds,
336 const struct timespec *timo, const sigset_t *mask)
338 struct pthread *curthread = _get_curthread();
342 oldcancel = _thr_cancel_enter(curthread);
343 ret = __pselect(count, rfds, wfds, efds, timo, mask);
344 _thr_cancel_leave(curthread, oldcancel);
350 __weak_reference(_raise, raise);
357 if (!_thr_isthreaded())
358 ret = kill(getpid(), sig);
360 ret = pthread_kill(pthread_self(), sig);
369 __weak_reference(__read, read);
372 __read(int fd, void *buf, size_t nbytes)
374 struct pthread *curthread = _get_curthread();
378 oldcancel = _thr_cancel_enter(curthread);
379 ret = __sys_read(fd, buf, nbytes);
380 _thr_cancel_leave(curthread, oldcancel);
385 __weak_reference(__readv, readv);
388 __readv(int fd, const struct iovec *iov, int iovcnt)
390 struct pthread *curthread = _get_curthread();
394 oldcancel = _thr_cancel_enter(curthread);
395 ret = __sys_readv(fd, iov, iovcnt);
396 _thr_cancel_leave(curthread, oldcancel);
401 __weak_reference(__recvfrom, recvfrom);
404 __recvfrom(int s, void *b, size_t l, int f, struct sockaddr *from,
407 struct pthread *curthread = _get_curthread();
411 oldcancel = _thr_cancel_enter(curthread);
412 ret = __sys_recvfrom(s, b, l, f, from, fl);
413 _thr_cancel_leave(curthread, oldcancel);
417 __weak_reference(__recvmsg, recvmsg);
420 __recvmsg(int s, struct msghdr *m, int f)
422 struct pthread *curthread = _get_curthread();
426 oldcancel = _thr_cancel_enter(curthread);
427 ret = __sys_recvmsg(s, m, f);
428 _thr_cancel_leave(curthread, oldcancel);
432 __weak_reference(__select, select);
435 __select(int numfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
436 struct timeval *timeout)
438 struct pthread *curthread = _get_curthread();
442 oldcancel = _thr_cancel_enter(curthread);
443 ret = __sys_select(numfds, readfds, writefds, exceptfds, timeout);
444 _thr_cancel_leave(curthread, oldcancel);
448 __weak_reference(__sendmsg, sendmsg);
451 __sendmsg(int s, const struct msghdr *m, int f)
453 struct pthread *curthread = _get_curthread();
457 oldcancel = _thr_cancel_enter(curthread);
458 ret = __sys_sendmsg(s, m, f);
459 _thr_cancel_leave(curthread, oldcancel);
463 __weak_reference(__sendto, sendto);
466 __sendto(int s, const void *m, size_t l, int f, const struct sockaddr *t,
469 struct pthread *curthread = _get_curthread();
473 oldcancel = _thr_cancel_enter(curthread);
474 ret = __sys_sendto(s, m, l, f, t, tl);
475 _thr_cancel_leave(curthread, oldcancel);
480 _sleep(unsigned int seconds)
482 struct pthread *curthread = _get_curthread();
486 oldcancel = _thr_cancel_enter(curthread);
487 ret = __sleep(seconds);
488 _thr_cancel_leave(curthread, oldcancel);
493 __weak_reference(_system, system);
496 _system(const char *string)
498 struct pthread *curthread = _get_curthread();
502 oldcancel = _thr_cancel_enter(curthread);
503 ret = __system(string);
504 _thr_cancel_leave(curthread, oldcancel);
509 __weak_reference(_tcdrain, tcdrain);
514 struct pthread *curthread = _get_curthread();
518 oldcancel = _thr_cancel_enter(curthread);
520 _thr_cancel_leave(curthread, oldcancel);
525 __weak_reference(_vfork, vfork);
533 __weak_reference(_wait, wait);
538 struct pthread *curthread = _get_curthread();
542 oldcancel = _thr_cancel_enter(curthread);
544 _thr_cancel_leave(curthread, oldcancel);
549 __weak_reference(__wait4, wait4);
552 __wait4(pid_t pid, int *istat, int options, struct rusage *rusage)
554 struct pthread *curthread = _get_curthread();
558 oldcancel = _thr_cancel_enter(curthread);
559 ret = __sys_wait4(pid, istat, options, rusage);
560 _thr_cancel_leave(curthread, oldcancel);
565 __weak_reference(_waitpid, waitpid);
568 _waitpid(pid_t wpid, int *status, int options)
570 struct pthread *curthread = _get_curthread();
574 oldcancel = _thr_cancel_enter(curthread);
575 ret = __waitpid(wpid, status, options);
576 _thr_cancel_leave(curthread, oldcancel);
581 __weak_reference(__write, write);
584 __write(int fd, const void *buf, size_t nbytes)
586 struct pthread *curthread = _get_curthread();
590 oldcancel = _thr_cancel_enter(curthread);
591 ret = __sys_write(fd, buf, nbytes);
592 _thr_cancel_leave(curthread, oldcancel);
597 __weak_reference(__writev, writev);
600 __writev(int fd, const struct iovec *iov, int iovcnt)
602 struct pthread *curthread = _get_curthread();
606 oldcancel = _thr_cancel_enter(curthread);
607 ret = __sys_writev(fd, iov, iovcnt);
608 _thr_cancel_leave(curthread, oldcancel);