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 1.8 2008/01/10 22:30:27 nth 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 __sys_pselect(int, fd_set *, fd_set *, fd_set *,
99 const struct timespec *, const sigset_t *);
100 extern unsigned __sleep(unsigned int);
101 extern int __system(const char *);
102 extern int __tcdrain(int);
103 extern int __usleep(unsigned);
104 extern pid_t __wait(int *);
105 extern pid_t __waitpid(pid_t, int *, int);
106 extern int __sys_aio_suspend(const struct aiocb * const[], int,
107 const struct timespec *);
108 extern int __sys_accept(int, struct sockaddr *, socklen_t *);
109 extern int __sys_connect(int, const struct sockaddr *, socklen_t);
110 extern int __sys_fsync(int);
111 extern int __sys_msync(void *, size_t, int);
112 extern int __sys_poll(struct pollfd *, unsigned, int);
113 extern ssize_t __sys_recv(int, void *, size_t, int);
114 extern ssize_t __sys_recvfrom(int, void *, size_t, int, struct sockaddr *, socklen_t *);
115 extern ssize_t __sys_recvmsg(int, struct msghdr *, int);
116 extern int __sys_select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
117 extern int __sys_sendfile(int, int, off_t, size_t, struct sf_hdtr *,
119 extern ssize_t __sys_sendmsg(int, const struct msghdr *, int);
120 extern ssize_t __sys_sendto(int, const void *,size_t, int, const struct sockaddr *, socklen_t);
121 extern ssize_t __sys_readv(int, const struct iovec *, int);
122 extern pid_t __sys_wait4(pid_t, int *, int, struct rusage *);
123 extern ssize_t __sys_writev(int, const struct iovec *, int);
125 int ___creat(const char *, mode_t);
126 int ___usleep(unsigned);
127 int __accept(int, struct sockaddr *, socklen_t *);
129 int __connect(int, const struct sockaddr *, socklen_t);
130 int __fcntl(int, int,...);
132 int __msync(void *, size_t, int);
133 int __nanosleep(const struct timespec *, struct timespec *);
134 int __open(const char *, int,...);
135 int __openat(int fd, const char *, int,...);
136 int __poll(struct pollfd *, unsigned int, int);
137 ssize_t __read(int, void *buf, size_t);
138 ssize_t __readv(int, const struct iovec *, int);
139 ssize_t __recvfrom(int, void *, size_t, int f, struct sockaddr *, socklen_t *);
140 ssize_t __recvmsg(int, struct msghdr *, int);
141 int __select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
142 ssize_t __sendmsg(int, const struct msghdr *, int);
143 ssize_t __sendto(int, const void *, size_t, int,
144 const struct sockaddr *, socklen_t);
145 pid_t __wait4(pid_t, int *, int, struct rusage *);
146 ssize_t __write(int, const void *, size_t);
147 ssize_t __writev(int, const struct iovec *, int);
148 int _aio_suspend(const struct aiocb * const iocbs[], int,
149 const struct timespec *);
151 int __pselect(int, fd_set *, fd_set *, fd_set *,
152 const struct timespec *, const sigset_t *);
154 unsigned _sleep(unsigned);
155 int _system(const char *);
159 pid_t _waitpid(pid_t wpid, int *status, int options);
162 __accept(int s, struct sockaddr *addr, socklen_t *addrlen)
164 struct pthread *curthread;
168 curthread = tls_get_curthread();
169 oldcancel = _thr_cancel_enter(curthread);
170 ret = __sys_accept(s, addr, addrlen);
171 _thr_cancel_leave(curthread, oldcancel);
176 __strong_reference(__accept, accept);
179 _aio_suspend(const struct aiocb * const iocbs[], int niocb, const struct
182 struct pthread *curthread = tls_get_curthread();
186 oldcancel = _thr_cancel_enter(curthread);
187 ret = __sys_aio_suspend(iocbs, niocb, timeout);
188 _thr_cancel_leave(curthread, oldcancel);
193 __strong_reference(_aio_suspend, aio_suspend);
198 struct pthread *curthread = tls_get_curthread();
202 oldcancel = _thr_cancel_enter(curthread);
203 ret = __sys_close(fd);
204 _thr_cancel_leave(curthread, oldcancel);
209 __strong_reference(__close, close);
212 __connect(int fd, const struct sockaddr *name, socklen_t namelen)
214 struct pthread *curthread = tls_get_curthread();
218 oldcancel = _thr_cancel_enter(curthread);
219 ret = __sys_connect(fd, name, namelen);
220 _thr_cancel_leave(curthread, oldcancel);
225 __strong_reference(__connect, connect);
228 ___creat(const char *path, mode_t mode)
230 struct pthread *curthread = tls_get_curthread();
234 oldcancel = _thr_cancel_enter(curthread);
235 ret = __creat(path, mode);
236 _thr_cancel_leave(curthread, oldcancel);
241 __strong_reference(___creat, creat);
244 __fcntl(int fd, int cmd,...)
246 struct pthread *curthread = tls_get_curthread();
251 oldcancel = _thr_cancel_enter(curthread);
256 ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
260 ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
264 ret = __sys_fcntl(fd, cmd);
267 ret = __sys_fcntl(fd, cmd, va_arg(ap, void *));
271 _thr_cancel_leave(curthread, oldcancel);
276 __strong_reference(__fcntl, fcntl);
281 struct pthread *curthread = tls_get_curthread();
285 oldcancel = _thr_cancel_enter(curthread);
286 ret = __sys_fsync(fd);
287 _thr_cancel_leave(curthread, oldcancel);
292 __strong_reference(__fsync, fsync);
295 __msync(void *addr, size_t len, int flags)
297 struct pthread *curthread = tls_get_curthread();
301 oldcancel = _thr_cancel_enter(curthread);
302 ret = __sys_msync(addr, len, flags);
303 _thr_cancel_leave(curthread, oldcancel);
308 __strong_reference(__msync, msync);
311 __nanosleep(const struct timespec *time_to_sleep,
312 struct timespec *time_remaining)
314 struct pthread *curthread = tls_get_curthread();
318 oldcancel = _thr_cancel_enter(curthread);
319 ret = __sys_nanosleep(time_to_sleep, time_remaining);
320 _thr_cancel_leave(curthread, oldcancel);
325 __strong_reference(__nanosleep, nanosleep);
328 __open(const char *path, int flags,...)
330 struct pthread *curthread = tls_get_curthread();
336 oldcancel = _thr_cancel_enter(curthread);
338 /* Check if the file is being created: */
339 if (flags & O_CREAT) {
340 /* Get the creation mode: */
342 mode = va_arg(ap, int);
346 ret = __sys_open(path, flags, mode);
348 _thr_cancel_leave(curthread, oldcancel);
353 __strong_reference(__open, open);
356 __openat(int fd, const char *path, int flags,...)
358 struct pthread *curthread = tls_get_curthread();
364 oldcancel = _thr_cancel_enter(curthread);
366 /* Check if the file is being created: */
367 if (flags & O_CREAT) {
368 /* Get the creation mode: */
370 mode = va_arg(ap, int);
374 ret = __sys_openat(fd, path, flags, mode);
376 _thr_cancel_leave(curthread, oldcancel);
381 __strong_reference(__openat, openat);
386 struct pthread *curthread = tls_get_curthread();
390 oldcancel = _thr_cancel_enter(curthread);
392 _thr_cancel_leave(curthread, oldcancel);
397 __strong_reference(_pause, pause);
400 __poll(struct pollfd *fds, unsigned int nfds, int timeout)
402 struct pthread *curthread = tls_get_curthread();
406 oldcancel = _thr_cancel_enter(curthread);
407 ret = __sys_poll(fds, nfds, timeout);
408 _thr_cancel_leave(curthread, oldcancel);
413 __strong_reference(__poll, poll);
416 __pselect(int count, fd_set *rfds, fd_set *wfds, fd_set *efds,
417 const struct timespec *timo, const sigset_t *mask)
419 struct pthread *curthread = tls_get_curthread();
423 oldcancel = _thr_cancel_enter(curthread);
424 ret = __sys_pselect(count, rfds, wfds, efds, timo, mask);
425 _thr_cancel_leave(curthread, oldcancel);
429 __strong_reference(__pselect, pselect);
437 if (!_thr_isthreaded())
438 ret = kill(getpid(), sig);
440 ret = _thr_send_sig(tls_get_curthread(), sig);
444 __strong_reference(_raise, raise);
447 __read(int fd, void *buf, size_t nbytes)
449 struct pthread *curthread = tls_get_curthread();
453 oldcancel = _thr_cancel_enter(curthread);
454 ret = __sys_read(fd, buf, nbytes);
455 _thr_cancel_leave(curthread, oldcancel);
460 __strong_reference(__read, read);
463 __readv(int fd, const struct iovec *iov, int iovcnt)
465 struct pthread *curthread = tls_get_curthread();
469 oldcancel = _thr_cancel_enter(curthread);
470 ret = __sys_readv(fd, iov, iovcnt);
471 _thr_cancel_leave(curthread, oldcancel);
476 __strong_reference(__readv, readv);
479 __recvfrom(int s, void *b, size_t l, int f, struct sockaddr *from,
482 struct pthread *curthread = tls_get_curthread();
486 oldcancel = _thr_cancel_enter(curthread);
487 ret = __sys_recvfrom(s, b, l, f, from, fl);
488 _thr_cancel_leave(curthread, oldcancel);
492 __strong_reference(__recvfrom, recvfrom);
495 __recvmsg(int s, struct msghdr *m, int f)
497 struct pthread *curthread = tls_get_curthread();
501 oldcancel = _thr_cancel_enter(curthread);
502 ret = __sys_recvmsg(s, m, f);
503 _thr_cancel_leave(curthread, oldcancel);
507 __strong_reference(__recvmsg, recvmsg);
510 __select(int numfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
511 struct timeval *timeout)
513 struct pthread *curthread = tls_get_curthread();
517 oldcancel = _thr_cancel_enter(curthread);
518 ret = __sys_select(numfds, readfds, writefds, exceptfds, timeout);
519 _thr_cancel_leave(curthread, oldcancel);
523 __strong_reference(__select, select);
526 __sendmsg(int s, const struct msghdr *m, int f)
528 struct pthread *curthread = tls_get_curthread();
532 oldcancel = _thr_cancel_enter(curthread);
533 ret = __sys_sendmsg(s, m, f);
534 _thr_cancel_leave(curthread, oldcancel);
538 __strong_reference(__sendmsg, sendmsg);
541 __sendto(int s, const void *m, size_t l, int f, const struct sockaddr *t,
544 struct pthread *curthread = tls_get_curthread();
548 oldcancel = _thr_cancel_enter(curthread);
549 ret = __sys_sendto(s, m, l, f, t, tl);
550 _thr_cancel_leave(curthread, oldcancel);
554 __strong_reference(__sendto, sendto);
557 _sleep(unsigned int seconds)
559 struct pthread *curthread = tls_get_curthread();
563 oldcancel = _thr_cancel_enter(curthread);
564 ret = __sleep(seconds);
565 _thr_cancel_leave(curthread, oldcancel);
571 _system(const char *string)
573 struct pthread *curthread = tls_get_curthread();
577 oldcancel = _thr_cancel_enter(curthread);
578 ret = __system(string);
579 _thr_cancel_leave(curthread, oldcancel);
584 __strong_reference(_system, system);
589 struct pthread *curthread = tls_get_curthread();
593 oldcancel = _thr_cancel_enter(curthread);
595 _thr_cancel_leave(curthread, oldcancel);
600 __strong_reference(_tcdrain, tcdrain);
603 ___usleep(unsigned int useconds)
605 struct pthread *curthread = tls_get_curthread();
609 oldcancel = _thr_cancel_enter(curthread);
610 ret = __usleep(useconds);
611 _thr_cancel_leave(curthread, oldcancel);
616 __strong_reference(___usleep, usleep);
624 __strong_reference(_vfork, vfork);
629 struct pthread *curthread = tls_get_curthread();
633 oldcancel = _thr_cancel_enter(curthread);
635 _thr_cancel_leave(curthread, oldcancel);
640 __strong_reference(_wait, wait);
643 __wait4(pid_t pid, int *istat, int options, struct rusage *rusage)
645 struct pthread *curthread = tls_get_curthread();
649 oldcancel = _thr_cancel_enter(curthread);
650 ret = __sys_wait4(pid, istat, options, rusage);
651 _thr_cancel_leave(curthread, oldcancel);
656 __strong_reference(__wait4, wait4);
659 _waitpid(pid_t wpid, int *status, int options)
661 struct pthread *curthread = tls_get_curthread();
665 oldcancel = _thr_cancel_enter(curthread);
666 ret = __waitpid(wpid, status, options);
667 _thr_cancel_leave(curthread, oldcancel);
672 __strong_reference(_waitpid, waitpid);
675 __write(int fd, const void *buf, size_t nbytes)
677 struct pthread *curthread = tls_get_curthread();
681 oldcancel = _thr_cancel_enter(curthread);
682 ret = __sys_write(fd, buf, nbytes);
683 _thr_cancel_leave(curthread, oldcancel);
688 __strong_reference(__write, write);
691 __writev(int fd, const struct iovec *iov, int iovcnt)
693 struct pthread *curthread = tls_get_curthread();
697 oldcancel = _thr_cancel_enter(curthread);
698 ret = __sys_writev(fd, iov, iovcnt);
699 _thr_cancel_leave(curthread, oldcancel);
704 __strong_reference(__writev, writev);