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 int __sys_ppoll(struct pollfd *, unsigned, const struct timespec *,
115 extern ssize_t __sys_recv(int, void *, size_t, int);
116 extern ssize_t __sys_recvfrom(int, void *, size_t, int, struct sockaddr *, socklen_t *);
117 extern ssize_t __sys_recvmsg(int, struct msghdr *, int);
118 extern int __sys_select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
119 extern int __sys_sendfile(int, int, off_t, size_t, struct sf_hdtr *,
121 extern ssize_t __sys_sendmsg(int, const struct msghdr *, int);
122 extern ssize_t __sys_sendto(int, const void *,size_t, int, const struct sockaddr *, socklen_t);
123 extern ssize_t __sys_readv(int, const struct iovec *, int);
124 extern pid_t __sys_wait4(pid_t, int *, int, struct rusage *);
125 extern ssize_t __sys_writev(int, const struct iovec *, int);
127 int ___creat(const char *, mode_t);
128 int ___usleep(unsigned);
129 int __accept(int, struct sockaddr *, socklen_t *);
131 int __connect(int, const struct sockaddr *, socklen_t);
132 int __fcntl(int, int,...);
134 int __msync(void *, size_t, int);
135 int __nanosleep(const struct timespec *, struct timespec *);
136 int __open(const char *, int,...);
137 int __openat(int fd, const char *, int,...);
138 int __poll(struct pollfd *, unsigned int, int);
139 int __ppoll(struct pollfd *, unsigned int, const struct timespec *,
141 ssize_t __read(int, void *buf, size_t);
142 ssize_t __readv(int, const struct iovec *, int);
143 ssize_t __recvfrom(int, void *, size_t, int f, struct sockaddr *, socklen_t *);
144 ssize_t __recvmsg(int, struct msghdr *, int);
145 int __select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
146 ssize_t __sendmsg(int, const struct msghdr *, int);
147 ssize_t __sendto(int, const void *, size_t, int,
148 const struct sockaddr *, socklen_t);
149 pid_t __wait4(pid_t, int *, int, struct rusage *);
150 ssize_t __write(int, const void *, size_t);
151 ssize_t __writev(int, const struct iovec *, int);
152 int _aio_suspend(const struct aiocb * const iocbs[], int,
153 const struct timespec *);
155 int __pselect(int, fd_set *, fd_set *, fd_set *,
156 const struct timespec *, const sigset_t *);
158 unsigned _sleep(unsigned);
159 int _system(const char *);
163 pid_t _waitpid(pid_t wpid, int *status, int options);
166 __accept(int s, struct sockaddr *addr, socklen_t *addrlen)
168 struct pthread *curthread;
172 curthread = tls_get_curthread();
173 oldcancel = _thr_cancel_enter(curthread);
174 ret = __sys_accept(s, addr, addrlen);
175 _thr_cancel_leave(curthread, oldcancel);
180 __strong_reference(__accept, accept);
183 _aio_suspend(const struct aiocb * const iocbs[], int niocb, const struct
186 struct pthread *curthread = tls_get_curthread();
190 oldcancel = _thr_cancel_enter(curthread);
191 ret = __sys_aio_suspend(iocbs, niocb, timeout);
192 _thr_cancel_leave(curthread, oldcancel);
197 __strong_reference(_aio_suspend, aio_suspend);
202 struct pthread *curthread = tls_get_curthread();
206 oldcancel = _thr_cancel_enter(curthread);
207 ret = __sys_close(fd);
208 _thr_cancel_leave(curthread, oldcancel);
213 __strong_reference(__close, close);
216 __connect(int fd, const struct sockaddr *name, socklen_t namelen)
218 struct pthread *curthread = tls_get_curthread();
222 oldcancel = _thr_cancel_enter(curthread);
223 ret = __sys_connect(fd, name, namelen);
224 _thr_cancel_leave(curthread, oldcancel);
229 __strong_reference(__connect, connect);
232 ___creat(const char *path, mode_t mode)
234 struct pthread *curthread = tls_get_curthread();
238 oldcancel = _thr_cancel_enter(curthread);
239 ret = __creat(path, mode);
240 _thr_cancel_leave(curthread, oldcancel);
245 __strong_reference(___creat, creat);
248 __fcntl(int fd, int cmd,...)
250 struct pthread *curthread = tls_get_curthread();
255 oldcancel = _thr_cancel_enter(curthread);
260 ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
264 ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
268 ret = __sys_fcntl(fd, cmd);
271 ret = __sys_fcntl(fd, cmd, va_arg(ap, void *));
275 _thr_cancel_leave(curthread, oldcancel);
280 __strong_reference(__fcntl, fcntl);
285 struct pthread *curthread = tls_get_curthread();
289 oldcancel = _thr_cancel_enter(curthread);
290 ret = __sys_fsync(fd);
291 _thr_cancel_leave(curthread, oldcancel);
296 __strong_reference(__fsync, fsync);
299 __msync(void *addr, size_t len, int flags)
301 struct pthread *curthread = tls_get_curthread();
305 oldcancel = _thr_cancel_enter(curthread);
306 ret = __sys_msync(addr, len, flags);
307 _thr_cancel_leave(curthread, oldcancel);
312 __strong_reference(__msync, msync);
315 __nanosleep(const struct timespec *time_to_sleep,
316 struct timespec *time_remaining)
318 struct pthread *curthread = tls_get_curthread();
322 oldcancel = _thr_cancel_enter(curthread);
323 ret = __sys_nanosleep(time_to_sleep, time_remaining);
324 _thr_cancel_leave(curthread, oldcancel);
329 __strong_reference(__nanosleep, nanosleep);
332 __open(const char *path, int flags,...)
334 struct pthread *curthread = tls_get_curthread();
340 oldcancel = _thr_cancel_enter(curthread);
342 /* Check if the file is being created: */
343 if (flags & O_CREAT) {
344 /* Get the creation mode: */
346 mode = va_arg(ap, int);
350 ret = __sys_open(path, flags, mode);
352 _thr_cancel_leave(curthread, oldcancel);
357 __strong_reference(__open, open);
360 __openat(int fd, const char *path, int flags,...)
362 struct pthread *curthread = tls_get_curthread();
368 oldcancel = _thr_cancel_enter(curthread);
370 /* Check if the file is being created: */
371 if (flags & O_CREAT) {
372 /* Get the creation mode: */
374 mode = va_arg(ap, int);
378 ret = __sys_openat(fd, path, flags, mode);
380 _thr_cancel_leave(curthread, oldcancel);
385 __strong_reference(__openat, openat);
390 struct pthread *curthread = tls_get_curthread();
394 oldcancel = _thr_cancel_enter(curthread);
396 _thr_cancel_leave(curthread, oldcancel);
401 __strong_reference(_pause, pause);
404 __poll(struct pollfd *fds, unsigned int nfds, int timeout)
406 struct pthread *curthread = tls_get_curthread();
410 oldcancel = _thr_cancel_enter(curthread);
411 ret = __sys_poll(fds, nfds, timeout);
412 _thr_cancel_leave(curthread, oldcancel);
417 __strong_reference(__poll, poll);
420 __ppoll(struct pollfd *fds, unsigned int nfds, const struct timespec *ts,
421 const sigset_t *mask)
423 struct pthread *curthread = tls_get_curthread();
427 oldcancel = _thr_cancel_enter(curthread);
428 ret = __sys_ppoll(fds, nfds, ts, mask);
429 _thr_cancel_leave(curthread, oldcancel);
434 __strong_reference(__ppoll, ppoll);
437 __pselect(int count, fd_set *rfds, fd_set *wfds, fd_set *efds,
438 const struct timespec *timo, const sigset_t *mask)
440 struct pthread *curthread = tls_get_curthread();
444 oldcancel = _thr_cancel_enter(curthread);
445 ret = __sys_pselect(count, rfds, wfds, efds, timo, mask);
446 _thr_cancel_leave(curthread, oldcancel);
450 __strong_reference(__pselect, pselect);
458 if (!_thr_isthreaded())
459 ret = kill(getpid(), sig);
461 ret = _thr_send_sig(tls_get_curthread(), sig);
465 __strong_reference(_raise, raise);
468 __read(int fd, void *buf, size_t nbytes)
470 struct pthread *curthread = tls_get_curthread();
474 oldcancel = _thr_cancel_enter(curthread);
475 ret = __sys_read(fd, buf, nbytes);
476 _thr_cancel_leave(curthread, oldcancel);
481 __strong_reference(__read, read);
484 __readv(int fd, const struct iovec *iov, int iovcnt)
486 struct pthread *curthread = tls_get_curthread();
490 oldcancel = _thr_cancel_enter(curthread);
491 ret = __sys_readv(fd, iov, iovcnt);
492 _thr_cancel_leave(curthread, oldcancel);
497 __strong_reference(__readv, readv);
500 __recvfrom(int s, void *b, size_t l, int f, struct sockaddr *from,
503 struct pthread *curthread = tls_get_curthread();
507 oldcancel = _thr_cancel_enter(curthread);
508 ret = __sys_recvfrom(s, b, l, f, from, fl);
509 _thr_cancel_leave(curthread, oldcancel);
513 __strong_reference(__recvfrom, recvfrom);
516 __recvmsg(int s, struct msghdr *m, int f)
518 struct pthread *curthread = tls_get_curthread();
522 oldcancel = _thr_cancel_enter(curthread);
523 ret = __sys_recvmsg(s, m, f);
524 _thr_cancel_leave(curthread, oldcancel);
528 __strong_reference(__recvmsg, recvmsg);
531 __select(int numfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
532 struct timeval *timeout)
534 struct pthread *curthread = tls_get_curthread();
538 oldcancel = _thr_cancel_enter(curthread);
539 ret = __sys_select(numfds, readfds, writefds, exceptfds, timeout);
540 _thr_cancel_leave(curthread, oldcancel);
544 __strong_reference(__select, select);
547 __sendmsg(int s, const struct msghdr *m, int f)
549 struct pthread *curthread = tls_get_curthread();
553 oldcancel = _thr_cancel_enter(curthread);
554 ret = __sys_sendmsg(s, m, f);
555 _thr_cancel_leave(curthread, oldcancel);
559 __strong_reference(__sendmsg, sendmsg);
562 __sendto(int s, const void *m, size_t l, int f, const struct sockaddr *t,
565 struct pthread *curthread = tls_get_curthread();
569 oldcancel = _thr_cancel_enter(curthread);
570 ret = __sys_sendto(s, m, l, f, t, tl);
571 _thr_cancel_leave(curthread, oldcancel);
575 __strong_reference(__sendto, sendto);
578 _sleep(unsigned int seconds)
580 struct pthread *curthread = tls_get_curthread();
584 oldcancel = _thr_cancel_enter(curthread);
585 ret = __sleep(seconds);
586 _thr_cancel_leave(curthread, oldcancel);
592 _system(const char *string)
594 struct pthread *curthread = tls_get_curthread();
598 oldcancel = _thr_cancel_enter(curthread);
599 ret = __system(string);
600 _thr_cancel_leave(curthread, oldcancel);
605 __strong_reference(_system, system);
610 struct pthread *curthread = tls_get_curthread();
614 oldcancel = _thr_cancel_enter(curthread);
616 _thr_cancel_leave(curthread, oldcancel);
621 __strong_reference(_tcdrain, tcdrain);
624 ___usleep(unsigned int useconds)
626 struct pthread *curthread = tls_get_curthread();
630 oldcancel = _thr_cancel_enter(curthread);
631 ret = __usleep(useconds);
632 _thr_cancel_leave(curthread, oldcancel);
637 __strong_reference(___usleep, usleep);
645 __strong_reference(_vfork, vfork);
650 struct pthread *curthread = tls_get_curthread();
654 oldcancel = _thr_cancel_enter(curthread);
656 _thr_cancel_leave(curthread, oldcancel);
661 __strong_reference(_wait, wait);
664 __wait4(pid_t pid, int *istat, int options, struct rusage *rusage)
666 struct pthread *curthread = tls_get_curthread();
670 oldcancel = _thr_cancel_enter(curthread);
671 ret = __sys_wait4(pid, istat, options, rusage);
672 _thr_cancel_leave(curthread, oldcancel);
677 __strong_reference(__wait4, wait4);
680 _waitpid(pid_t wpid, int *status, int options)
682 struct pthread *curthread = tls_get_curthread();
686 oldcancel = _thr_cancel_enter(curthread);
687 ret = __waitpid(wpid, status, options);
688 _thr_cancel_leave(curthread, oldcancel);
693 __strong_reference(_waitpid, waitpid);
696 __write(int fd, const void *buf, size_t nbytes)
698 struct pthread *curthread = tls_get_curthread();
702 oldcancel = _thr_cancel_enter(curthread);
703 ret = __sys_write(fd, buf, nbytes);
704 _thr_cancel_leave(curthread, oldcancel);
709 __strong_reference(__write, write);
712 __writev(int fd, const struct iovec *iov, int iovcnt)
714 struct pthread *curthread = tls_get_curthread();
718 oldcancel = _thr_cancel_enter(curthread);
719 ret = __sys_writev(fd, iov, iovcnt);
720 _thr_cancel_leave(curthread, oldcancel);
725 __strong_reference(__writev, writev);