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 1.7 2006/04/06 13:03:09 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, 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 __poll(struct pollfd *, unsigned int, int);
136 ssize_t __read(int, void *buf, size_t);
137 ssize_t __readv(int, const struct iovec *, int);
138 ssize_t __recvfrom(int, void *, size_t, int f, struct sockaddr *, socklen_t *);
139 ssize_t __recvmsg(int, struct msghdr *, int);
140 int __select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
141 ssize_t __sendmsg(int, const struct msghdr *, int);
142 ssize_t __sendto(int, const void *, size_t, int,
143 const struct sockaddr *, socklen_t);
144 pid_t __wait4(pid_t, int *, int, struct rusage *);
145 ssize_t __write(int, const void *, size_t);
146 ssize_t __writev(int, const struct iovec *, int);
147 int _aio_suspend(const struct aiocb * const iocbs[], int,
148 const struct timespec *);
150 int _pselect(int, fd_set *, fd_set *, fd_set *,
151 const struct timespec *, const sigset_t *);
153 unsigned _sleep(unsigned);
154 int _system(const char *);
158 pid_t _waitpid(pid_t wpid, int *status, int options);
161 __accept(int s, struct sockaddr *addr, socklen_t *addrlen)
163 struct pthread *curthread;
167 curthread = tls_get_curthread();
168 oldcancel = _thr_cancel_enter(curthread);
169 ret = __sys_accept(s, addr, addrlen);
170 _thr_cancel_leave(curthread, oldcancel);
175 __strong_reference(__accept, accept);
178 _aio_suspend(const struct aiocb * const iocbs[], int niocb, const struct
181 struct pthread *curthread = tls_get_curthread();
185 oldcancel = _thr_cancel_enter(curthread);
186 ret = __sys_aio_suspend(iocbs, niocb, timeout);
187 _thr_cancel_leave(curthread, oldcancel);
192 __strong_reference(_aio_suspend, aio_suspend);
197 struct pthread *curthread = tls_get_curthread();
201 oldcancel = _thr_cancel_enter(curthread);
202 ret = __sys_close(fd);
203 _thr_cancel_leave(curthread, oldcancel);
208 __strong_reference(__close, close);
211 __connect(int fd, const struct sockaddr *name, socklen_t namelen)
213 struct pthread *curthread = tls_get_curthread();
217 oldcancel = _thr_cancel_enter(curthread);
218 ret = __sys_connect(fd, name, namelen);
219 _thr_cancel_leave(curthread, oldcancel);
224 __strong_reference(__connect, connect);
227 ___creat(const char *path, mode_t mode)
229 struct pthread *curthread = tls_get_curthread();
233 oldcancel = _thr_cancel_enter(curthread);
234 ret = __creat(path, mode);
235 _thr_cancel_leave(curthread, oldcancel);
240 __strong_reference(___creat, creat);
243 __fcntl(int fd, int cmd,...)
245 struct pthread *curthread = tls_get_curthread();
250 oldcancel = _thr_cancel_enter(curthread);
255 ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
259 ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
263 ret = __sys_fcntl(fd, cmd);
266 ret = __sys_fcntl(fd, cmd, va_arg(ap, void *));
270 _thr_cancel_leave(curthread, oldcancel);
275 __strong_reference(__fcntl, fcntl);
280 struct pthread *curthread = tls_get_curthread();
284 oldcancel = _thr_cancel_enter(curthread);
285 ret = __sys_fsync(fd);
286 _thr_cancel_leave(curthread, oldcancel);
291 __strong_reference(__fsync, fsync);
294 __msync(void *addr, size_t len, int flags)
296 struct pthread *curthread = tls_get_curthread();
300 oldcancel = _thr_cancel_enter(curthread);
301 ret = __sys_msync(addr, len, flags);
302 _thr_cancel_leave(curthread, oldcancel);
307 __strong_reference(__msync, msync);
310 __nanosleep(const struct timespec *time_to_sleep,
311 struct timespec *time_remaining)
313 struct pthread *curthread = tls_get_curthread();
317 oldcancel = _thr_cancel_enter(curthread);
318 ret = __sys_nanosleep(time_to_sleep, time_remaining);
319 _thr_cancel_leave(curthread, oldcancel);
324 __strong_reference(__nanosleep, nanosleep);
327 __open(const char *path, int flags,...)
329 struct pthread *curthread = tls_get_curthread();
335 oldcancel = _thr_cancel_enter(curthread);
337 /* Check if the file is being created: */
338 if (flags & O_CREAT) {
339 /* Get the creation mode: */
341 mode = va_arg(ap, int);
345 ret = __sys_open(path, flags, mode);
347 _thr_cancel_leave(curthread, oldcancel);
352 __strong_reference(__open, open);
357 struct pthread *curthread = tls_get_curthread();
361 oldcancel = _thr_cancel_enter(curthread);
363 _thr_cancel_leave(curthread, oldcancel);
368 __strong_reference(_pause, pause);
371 __poll(struct pollfd *fds, unsigned int nfds, int timeout)
373 struct pthread *curthread = tls_get_curthread();
377 oldcancel = _thr_cancel_enter(curthread);
378 ret = __sys_poll(fds, nfds, timeout);
379 _thr_cancel_leave(curthread, oldcancel);
384 __strong_reference(__poll, poll);
388 _pselect(int count, fd_set *rfds, fd_set *wfds, fd_set *efds,
389 const struct timespec *timo, const sigset_t *mask)
391 struct pthread *curthread = tls_get_curthread();
395 oldcancel = _thr_cancel_enter(curthread);
396 ret = __pselect(count, rfds, wfds, efds, timo, mask);
397 _thr_cancel_leave(curthread, oldcancel);
401 __strong_reference(_pselect, pselect);
410 if (!_thr_isthreaded())
411 ret = kill(getpid(), sig);
413 ret = _thr_send_sig(tls_get_curthread(), sig);
417 __strong_reference(_raise, raise);
420 __read(int fd, void *buf, size_t nbytes)
422 struct pthread *curthread = tls_get_curthread();
426 oldcancel = _thr_cancel_enter(curthread);
427 ret = __sys_read(fd, buf, nbytes);
428 _thr_cancel_leave(curthread, oldcancel);
433 __strong_reference(__read, read);
436 __readv(int fd, const struct iovec *iov, int iovcnt)
438 struct pthread *curthread = tls_get_curthread();
442 oldcancel = _thr_cancel_enter(curthread);
443 ret = __sys_readv(fd, iov, iovcnt);
444 _thr_cancel_leave(curthread, oldcancel);
449 __strong_reference(__readv, readv);
452 __recvfrom(int s, void *b, size_t l, int f, struct sockaddr *from,
455 struct pthread *curthread = tls_get_curthread();
459 oldcancel = _thr_cancel_enter(curthread);
460 ret = __sys_recvfrom(s, b, l, f, from, fl);
461 _thr_cancel_leave(curthread, oldcancel);
465 __strong_reference(__recvfrom, recvfrom);
468 __recvmsg(int s, struct msghdr *m, int f)
470 struct pthread *curthread = tls_get_curthread();
474 oldcancel = _thr_cancel_enter(curthread);
475 ret = __sys_recvmsg(s, m, f);
476 _thr_cancel_leave(curthread, oldcancel);
480 __strong_reference(__recvmsg, recvmsg);
483 __select(int numfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
484 struct timeval *timeout)
486 struct pthread *curthread = tls_get_curthread();
490 oldcancel = _thr_cancel_enter(curthread);
491 ret = __sys_select(numfds, readfds, writefds, exceptfds, timeout);
492 _thr_cancel_leave(curthread, oldcancel);
496 __strong_reference(__select, select);
499 __sendmsg(int s, const struct msghdr *m, int f)
501 struct pthread *curthread = tls_get_curthread();
505 oldcancel = _thr_cancel_enter(curthread);
506 ret = __sys_sendmsg(s, m, f);
507 _thr_cancel_leave(curthread, oldcancel);
511 __strong_reference(__sendmsg, sendmsg);
514 __sendto(int s, const void *m, size_t l, int f, const struct sockaddr *t,
517 struct pthread *curthread = tls_get_curthread();
521 oldcancel = _thr_cancel_enter(curthread);
522 ret = __sys_sendto(s, m, l, f, t, tl);
523 _thr_cancel_leave(curthread, oldcancel);
527 __strong_reference(__sendto, sendto);
530 _sleep(unsigned int seconds)
532 struct pthread *curthread = tls_get_curthread();
536 oldcancel = _thr_cancel_enter(curthread);
537 ret = __sleep(seconds);
538 _thr_cancel_leave(curthread, oldcancel);
544 _system(const char *string)
546 struct pthread *curthread = tls_get_curthread();
550 oldcancel = _thr_cancel_enter(curthread);
551 ret = __system(string);
552 _thr_cancel_leave(curthread, oldcancel);
557 __strong_reference(_system, system);
562 struct pthread *curthread = tls_get_curthread();
566 oldcancel = _thr_cancel_enter(curthread);
568 _thr_cancel_leave(curthread, oldcancel);
573 __strong_reference(_tcdrain, tcdrain);
576 ___usleep(unsigned int useconds)
578 struct pthread *curthread = tls_get_curthread();
582 oldcancel = _thr_cancel_enter(curthread);
583 ret = __usleep(useconds);
584 _thr_cancel_leave(curthread, oldcancel);
589 __strong_reference(___usleep, usleep);
597 __strong_reference(_vfork, vfork);
602 struct pthread *curthread = tls_get_curthread();
606 oldcancel = _thr_cancel_enter(curthread);
608 _thr_cancel_leave(curthread, oldcancel);
613 __strong_reference(_wait, wait);
616 __wait4(pid_t pid, int *istat, int options, struct rusage *rusage)
618 struct pthread *curthread = tls_get_curthread();
622 oldcancel = _thr_cancel_enter(curthread);
623 ret = __sys_wait4(pid, istat, options, rusage);
624 _thr_cancel_leave(curthread, oldcancel);
629 __strong_reference(__wait4, wait4);
632 _waitpid(pid_t wpid, int *status, int options)
634 struct pthread *curthread = tls_get_curthread();
638 oldcancel = _thr_cancel_enter(curthread);
639 ret = __waitpid(wpid, status, options);
640 _thr_cancel_leave(curthread, oldcancel);
645 __strong_reference(_waitpid, waitpid);
648 __write(int fd, const void *buf, size_t nbytes)
650 struct pthread *curthread = tls_get_curthread();
654 oldcancel = _thr_cancel_enter(curthread);
655 ret = __sys_write(fd, buf, nbytes);
656 _thr_cancel_leave(curthread, oldcancel);
661 __strong_reference(__write, write);
664 __writev(int fd, const struct iovec *iov, int iovcnt)
666 struct pthread *curthread = tls_get_curthread();
670 oldcancel = _thr_cancel_enter(curthread);
671 ret = __sys_writev(fd, iov, iovcnt);
672 _thr_cancel_leave(curthread, oldcancel);
677 __strong_reference(__writev, writev);