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 1.4 2005/10/25 12:14:52 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/types.h>
69 #include <sys/param.h>
70 #include <sys/select.h>
71 #include <sys/signalvar.h>
72 #include <sys/socket.h>
78 #include <machine/tls.h>
94 #include "thr_private.h"
96 extern int __creat(const char *, mode_t);
97 extern int __pause(void);
98 extern int __pselect(int count, fd_set *rfds, fd_set *wfds, fd_set *efds,
99 const struct timespec *timo, const sigset_t *mask);
100 extern unsigned int __sleep(unsigned int);
101 extern int __system(const char *);
102 extern int __tcdrain(int);
103 extern int __usleep(unsigned int);
104 extern pid_t __wait(int *);
105 extern pid_t __sys_wait4(pid_t, int *, int, struct rusage *);
106 extern pid_t __waitpid(pid_t, int *, int);
108 __weak_reference(__accept, accept);
110 __accept(int s, struct sockaddr *addr, socklen_t *addrlen)
112 struct pthread *curthread;
116 curthread = tls_get_curthread();
117 oldcancel = _thr_cancel_enter(curthread);
118 ret = __sys_accept(s, addr, addrlen);
119 _thr_cancel_leave(curthread, oldcancel);
124 __weak_reference(_aio_suspend, aio_suspend);
127 _aio_suspend(const struct aiocb * const iocbs[], int niocb, const struct
130 struct pthread *curthread = tls_get_curthread();
134 oldcancel = _thr_cancel_enter(curthread);
135 ret = __sys_aio_suspend(iocbs, niocb, timeout);
136 _thr_cancel_leave(curthread, oldcancel);
141 __weak_reference(__close, close);
146 struct pthread *curthread = tls_get_curthread();
150 oldcancel = _thr_cancel_enter(curthread);
151 ret = __sys_close(fd);
152 _thr_cancel_leave(curthread, oldcancel);
157 __weak_reference(__connect, connect);
160 __connect(int fd, const struct sockaddr *name, socklen_t namelen)
162 struct pthread *curthread = tls_get_curthread();
166 curthread = tls_get_curthread();
167 oldcancel = _thr_cancel_enter(curthread);
168 ret = __sys_connect(fd, name, namelen);
169 _thr_cancel_leave(curthread, oldcancel);
174 __weak_reference(___creat, creat);
177 ___creat(const char *path, mode_t mode)
179 struct pthread *curthread = tls_get_curthread();
183 oldcancel = _thr_cancel_enter(curthread);
184 ret = __creat(path, mode);
185 _thr_cancel_leave(curthread, oldcancel);
190 __weak_reference(__fcntl, fcntl);
193 __fcntl(int fd, int cmd,...)
195 struct pthread *curthread = tls_get_curthread();
200 oldcancel = _thr_cancel_enter(curthread);
205 ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
209 ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
213 ret = __sys_fcntl(fd, cmd);
216 ret = __sys_fcntl(fd, cmd, va_arg(ap, void *));
220 _thr_cancel_leave(curthread, oldcancel);
225 __weak_reference(__fsync, fsync);
230 struct pthread *curthread = tls_get_curthread();
234 oldcancel = _thr_cancel_enter(curthread);
235 ret = __sys_fsync(fd);
236 _thr_cancel_leave(curthread, oldcancel);
241 __weak_reference(__msync, msync);
244 __msync(void *addr, size_t len, int flags)
246 struct pthread *curthread = tls_get_curthread();
250 oldcancel = _thr_cancel_enter(curthread);
251 ret = __sys_msync(addr, len, flags);
252 _thr_cancel_leave(curthread, oldcancel);
257 __weak_reference(__nanosleep, nanosleep);
260 __nanosleep(const struct timespec *time_to_sleep,
261 struct timespec *time_remaining)
263 struct pthread *curthread = tls_get_curthread();
267 oldcancel = _thr_cancel_enter(curthread);
268 ret = __sys_nanosleep(time_to_sleep, time_remaining);
269 _thr_cancel_leave(curthread, oldcancel);
274 __weak_reference(___open, open);
277 ___open(const char *path, int flags,...)
279 struct pthread *curthread = tls_get_curthread();
285 oldcancel = _thr_cancel_enter(curthread);
287 /* Check if the file is being created: */
288 if (flags & O_CREAT) {
289 /* Get the creation mode: */
291 mode = va_arg(ap, int);
295 ret = __sys_open(path, flags, mode);
297 _thr_cancel_leave(curthread, oldcancel);
302 __weak_reference(_pause, pause);
307 struct pthread *curthread = tls_get_curthread();
311 oldcancel = _thr_cancel_enter(curthread);
313 _thr_cancel_leave(curthread, oldcancel);
318 __weak_reference(__poll, poll);
321 __poll(struct pollfd *fds, unsigned int nfds, int timeout)
323 struct pthread *curthread = tls_get_curthread();
327 oldcancel = _thr_cancel_enter(curthread);
328 ret = __sys_poll(fds, nfds, timeout);
329 _thr_cancel_leave(curthread, oldcancel);
335 __weak_reference(_pselect, pselect);
338 _pselect(int count, fd_set *rfds, fd_set *wfds, fd_set *efds,
339 const struct timespec *timo, const sigset_t *mask)
341 struct pthread *curthread = tls_get_curthread();
345 oldcancel = _thr_cancel_enter(curthread);
346 ret = __pselect(count, rfds, wfds, efds, timo, mask);
347 _thr_cancel_leave(curthread, oldcancel);
353 __weak_reference(_raise, raise);
360 if (!_thr_isthreaded())
361 ret = kill(getpid(), sig);
363 ret = pthread_kill(pthread_self(), sig);
372 __weak_reference(__read, read);
375 __read(int fd, void *buf, size_t nbytes)
377 struct pthread *curthread = tls_get_curthread();
381 oldcancel = _thr_cancel_enter(curthread);
382 ret = __sys_read(fd, buf, nbytes);
383 _thr_cancel_leave(curthread, oldcancel);
388 __weak_reference(__readv, readv);
391 __readv(int fd, const struct iovec *iov, int iovcnt)
393 struct pthread *curthread = tls_get_curthread();
397 oldcancel = _thr_cancel_enter(curthread);
398 ret = __sys_readv(fd, iov, iovcnt);
399 _thr_cancel_leave(curthread, oldcancel);
404 __weak_reference(__recvfrom, recvfrom);
407 __recvfrom(int s, void *b, size_t l, int f, struct sockaddr *from,
410 struct pthread *curthread = tls_get_curthread();
414 oldcancel = _thr_cancel_enter(curthread);
415 ret = __sys_recvfrom(s, b, l, f, from, fl);
416 _thr_cancel_leave(curthread, oldcancel);
420 __weak_reference(__recvmsg, recvmsg);
423 __recvmsg(int s, struct msghdr *m, int f)
425 struct pthread *curthread = tls_get_curthread();
429 oldcancel = _thr_cancel_enter(curthread);
430 ret = __sys_recvmsg(s, m, f);
431 _thr_cancel_leave(curthread, oldcancel);
435 __weak_reference(__select, select);
438 __select(int numfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
439 struct timeval *timeout)
441 struct pthread *curthread = tls_get_curthread();
445 oldcancel = _thr_cancel_enter(curthread);
446 ret = __sys_select(numfds, readfds, writefds, exceptfds, timeout);
447 _thr_cancel_leave(curthread, oldcancel);
451 __weak_reference(__sendmsg, sendmsg);
454 __sendmsg(int s, const struct msghdr *m, int f)
456 struct pthread *curthread = tls_get_curthread();
460 oldcancel = _thr_cancel_enter(curthread);
461 ret = __sys_sendmsg(s, m, f);
462 _thr_cancel_leave(curthread, oldcancel);
466 __weak_reference(__sendto, sendto);
469 __sendto(int s, const void *m, size_t l, int f, const struct sockaddr *t,
472 struct pthread *curthread = tls_get_curthread();
476 oldcancel = _thr_cancel_enter(curthread);
477 ret = __sys_sendto(s, m, l, f, t, tl);
478 _thr_cancel_leave(curthread, oldcancel);
483 _sleep(unsigned int seconds)
485 struct pthread *curthread = tls_get_curthread();
489 oldcancel = _thr_cancel_enter(curthread);
490 ret = __sleep(seconds);
491 _thr_cancel_leave(curthread, oldcancel);
496 __weak_reference(_system, system);
499 _system(const char *string)
501 struct pthread *curthread = tls_get_curthread();
505 oldcancel = _thr_cancel_enter(curthread);
506 ret = __system(string);
507 _thr_cancel_leave(curthread, oldcancel);
512 __weak_reference(_tcdrain, tcdrain);
517 struct pthread *curthread = tls_get_curthread();
521 oldcancel = _thr_cancel_enter(curthread);
523 _thr_cancel_leave(curthread, oldcancel);
528 __weak_reference(___usleep, usleep);
531 ___usleep(unsigned int useconds)
533 struct pthread *curthread = tls_get_curthread();
537 oldcancel = _thr_cancel_enter(curthread);
538 ret = __usleep(useconds);
539 _thr_cancel_leave(curthread, oldcancel);
544 __weak_reference(_vfork, vfork);
552 __weak_reference(_wait, wait);
557 struct pthread *curthread = tls_get_curthread();
561 oldcancel = _thr_cancel_enter(curthread);
563 _thr_cancel_leave(curthread, oldcancel);
568 __weak_reference(__wait4, wait4);
571 __wait4(pid_t pid, int *istat, int options, struct rusage *rusage)
573 struct pthread *curthread = tls_get_curthread();
577 oldcancel = _thr_cancel_enter(curthread);
578 ret = __sys_wait4(pid, istat, options, rusage);
579 _thr_cancel_leave(curthread, oldcancel);
584 __weak_reference(_waitpid, waitpid);
587 _waitpid(pid_t wpid, int *status, int options)
589 struct pthread *curthread = tls_get_curthread();
593 oldcancel = _thr_cancel_enter(curthread);
594 ret = __waitpid(wpid, status, options);
595 _thr_cancel_leave(curthread, oldcancel);
600 __weak_reference(__write, write);
603 __write(int fd, const void *buf, size_t nbytes)
605 struct pthread *curthread = tls_get_curthread();
609 oldcancel = _thr_cancel_enter(curthread);
610 ret = __sys_write(fd, buf, nbytes);
611 _thr_cancel_leave(curthread, oldcancel);
616 __weak_reference(__writev, writev);
619 __writev(int fd, const struct iovec *iov, int iovcnt)
621 struct pthread *curthread = tls_get_curthread();
625 oldcancel = _thr_cancel_enter(curthread);
626 ret = __sys_writev(fd, iov, iovcnt);
627 _thr_cancel_leave(curthread, oldcancel);