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 1.6 2006/04/05 00:24:36 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);
109 __accept(int s, struct sockaddr *addr, socklen_t *addrlen)
111 struct pthread *curthread;
115 curthread = tls_get_curthread();
116 oldcancel = _thr_cancel_enter(curthread);
117 ret = __sys_accept(s, addr, addrlen);
118 _thr_cancel_leave(curthread, oldcancel);
123 __strong_reference(__accept, accept);
126 _aio_suspend(const struct aiocb * const iocbs[], int niocb, const struct
129 struct pthread *curthread = tls_get_curthread();
133 oldcancel = _thr_cancel_enter(curthread);
134 ret = __sys_aio_suspend(iocbs, niocb, timeout);
135 _thr_cancel_leave(curthread, oldcancel);
140 __strong_reference(_aio_suspend, aio_suspend);
145 struct pthread *curthread = tls_get_curthread();
149 oldcancel = _thr_cancel_enter(curthread);
150 ret = __sys_close(fd);
151 _thr_cancel_leave(curthread, oldcancel);
156 __strong_reference(__close, close);
159 __connect(int fd, const struct sockaddr *name, socklen_t namelen)
161 struct pthread *curthread = tls_get_curthread();
165 oldcancel = _thr_cancel_enter(curthread);
166 ret = __sys_connect(fd, name, namelen);
167 _thr_cancel_leave(curthread, oldcancel);
172 __strong_reference(__connect, connect);
175 ___creat(const char *path, mode_t mode)
177 struct pthread *curthread = tls_get_curthread();
181 oldcancel = _thr_cancel_enter(curthread);
182 ret = __creat(path, mode);
183 _thr_cancel_leave(curthread, oldcancel);
188 __strong_reference(___creat, creat);
191 __fcntl(int fd, int cmd,...)
193 struct pthread *curthread = tls_get_curthread();
198 oldcancel = _thr_cancel_enter(curthread);
203 ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
207 ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
211 ret = __sys_fcntl(fd, cmd);
214 ret = __sys_fcntl(fd, cmd, va_arg(ap, void *));
218 _thr_cancel_leave(curthread, oldcancel);
223 __strong_reference(__fcntl, fcntl);
228 struct pthread *curthread = tls_get_curthread();
232 oldcancel = _thr_cancel_enter(curthread);
233 ret = __sys_fsync(fd);
234 _thr_cancel_leave(curthread, oldcancel);
239 __strong_reference(__fsync, fsync);
242 __msync(void *addr, size_t len, int flags)
244 struct pthread *curthread = tls_get_curthread();
248 oldcancel = _thr_cancel_enter(curthread);
249 ret = __sys_msync(addr, len, flags);
250 _thr_cancel_leave(curthread, oldcancel);
255 __strong_reference(__msync, msync);
258 __nanosleep(const struct timespec *time_to_sleep,
259 struct timespec *time_remaining)
261 struct pthread *curthread = tls_get_curthread();
265 oldcancel = _thr_cancel_enter(curthread);
266 ret = __sys_nanosleep(time_to_sleep, time_remaining);
267 _thr_cancel_leave(curthread, oldcancel);
272 __strong_reference(__nanosleep, nanosleep);
275 ___open(const char *path, int flags,...)
277 struct pthread *curthread = tls_get_curthread();
283 oldcancel = _thr_cancel_enter(curthread);
285 /* Check if the file is being created: */
286 if (flags & O_CREAT) {
287 /* Get the creation mode: */
289 mode = va_arg(ap, int);
293 ret = __sys_open(path, flags, mode);
295 _thr_cancel_leave(curthread, oldcancel);
300 __strong_reference(___open, open);
305 struct pthread *curthread = tls_get_curthread();
309 oldcancel = _thr_cancel_enter(curthread);
311 _thr_cancel_leave(curthread, oldcancel);
316 __strong_reference(_pause, pause);
319 __poll(struct pollfd *fds, unsigned int nfds, int timeout)
321 struct pthread *curthread = tls_get_curthread();
325 oldcancel = _thr_cancel_enter(curthread);
326 ret = __sys_poll(fds, nfds, timeout);
327 _thr_cancel_leave(curthread, oldcancel);
332 __strong_reference(__poll, poll);
336 _pselect(int count, fd_set *rfds, fd_set *wfds, fd_set *efds,
337 const struct timespec *timo, const sigset_t *mask)
339 struct pthread *curthread = tls_get_curthread();
343 oldcancel = _thr_cancel_enter(curthread);
344 ret = __pselect(count, rfds, wfds, efds, timo, mask);
345 _thr_cancel_leave(curthread, oldcancel);
349 __strong_reference(_pselect, pselect);
358 if (!_thr_isthreaded())
359 ret = kill(getpid(), sig);
361 ret = _thr_send_sig(tls_get_curthread(), sig);
365 __strong_reference(_raise, raise);
368 __read(int fd, void *buf, size_t nbytes)
370 struct pthread *curthread = tls_get_curthread();
374 oldcancel = _thr_cancel_enter(curthread);
375 ret = __sys_read(fd, buf, nbytes);
376 _thr_cancel_leave(curthread, oldcancel);
381 __strong_reference(__read, read);
384 __readv(int fd, const struct iovec *iov, int iovcnt)
386 struct pthread *curthread = tls_get_curthread();
390 oldcancel = _thr_cancel_enter(curthread);
391 ret = __sys_readv(fd, iov, iovcnt);
392 _thr_cancel_leave(curthread, oldcancel);
397 __strong_reference(__readv, readv);
400 __recvfrom(int s, void *b, size_t l, int f, struct sockaddr *from,
403 struct pthread *curthread = tls_get_curthread();
407 oldcancel = _thr_cancel_enter(curthread);
408 ret = __sys_recvfrom(s, b, l, f, from, fl);
409 _thr_cancel_leave(curthread, oldcancel);
413 __strong_reference(__recvfrom, recvfrom);
416 __recvmsg(int s, struct msghdr *m, int f)
418 struct pthread *curthread = tls_get_curthread();
422 oldcancel = _thr_cancel_enter(curthread);
423 ret = __sys_recvmsg(s, m, f);
424 _thr_cancel_leave(curthread, oldcancel);
428 __strong_reference(__recvmsg, recvmsg);
431 __select(int numfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
432 struct timeval *timeout)
434 struct pthread *curthread = tls_get_curthread();
438 oldcancel = _thr_cancel_enter(curthread);
439 ret = __sys_select(numfds, readfds, writefds, exceptfds, timeout);
440 _thr_cancel_leave(curthread, oldcancel);
444 __strong_reference(__select, select);
447 __sendmsg(int s, const struct msghdr *m, int f)
449 struct pthread *curthread = tls_get_curthread();
453 oldcancel = _thr_cancel_enter(curthread);
454 ret = __sys_sendmsg(s, m, f);
455 _thr_cancel_leave(curthread, oldcancel);
459 __strong_reference(__sendmsg, sendmsg);
462 __sendto(int s, const void *m, size_t l, int f, const struct sockaddr *t,
465 struct pthread *curthread = tls_get_curthread();
469 oldcancel = _thr_cancel_enter(curthread);
470 ret = __sys_sendto(s, m, l, f, t, tl);
471 _thr_cancel_leave(curthread, oldcancel);
475 __strong_reference(__sendto, sendto);
478 _sleep(unsigned int seconds)
480 struct pthread *curthread = tls_get_curthread();
484 oldcancel = _thr_cancel_enter(curthread);
485 ret = __sleep(seconds);
486 _thr_cancel_leave(curthread, oldcancel);
492 _system(const char *string)
494 struct pthread *curthread = tls_get_curthread();
498 oldcancel = _thr_cancel_enter(curthread);
499 ret = __system(string);
500 _thr_cancel_leave(curthread, oldcancel);
505 __strong_reference(_system, system);
510 struct pthread *curthread = tls_get_curthread();
514 oldcancel = _thr_cancel_enter(curthread);
516 _thr_cancel_leave(curthread, oldcancel);
521 __strong_reference(_tcdrain, tcdrain);
524 ___usleep(unsigned int useconds)
526 struct pthread *curthread = tls_get_curthread();
530 oldcancel = _thr_cancel_enter(curthread);
531 ret = __usleep(useconds);
532 _thr_cancel_leave(curthread, oldcancel);
537 __strong_reference(___usleep, usleep);
545 __strong_reference(_vfork, vfork);
550 struct pthread *curthread = tls_get_curthread();
554 oldcancel = _thr_cancel_enter(curthread);
556 _thr_cancel_leave(curthread, oldcancel);
561 __strong_reference(_wait, wait);
564 __wait4(pid_t pid, int *istat, int options, struct rusage *rusage)
566 struct pthread *curthread = tls_get_curthread();
570 oldcancel = _thr_cancel_enter(curthread);
571 ret = __sys_wait4(pid, istat, options, rusage);
572 _thr_cancel_leave(curthread, oldcancel);
577 __strong_reference(__wait4, wait4);
580 _waitpid(pid_t wpid, int *status, int options)
582 struct pthread *curthread = tls_get_curthread();
586 oldcancel = _thr_cancel_enter(curthread);
587 ret = __waitpid(wpid, status, options);
588 _thr_cancel_leave(curthread, oldcancel);
593 __strong_reference(_waitpid, waitpid);
596 __write(int fd, const void *buf, size_t nbytes)
598 struct pthread *curthread = tls_get_curthread();
602 oldcancel = _thr_cancel_enter(curthread);
603 ret = __sys_write(fd, buf, nbytes);
604 _thr_cancel_leave(curthread, oldcancel);
609 __strong_reference(__write, write);
612 __writev(int fd, const struct iovec *iov, int iovcnt)
614 struct pthread *curthread = tls_get_curthread();
618 oldcancel = _thr_cancel_enter(curthread);
619 ret = __sys_writev(fd, iov, iovcnt);
620 _thr_cancel_leave(curthread, oldcancel);
625 __strong_reference(__writev, writev);