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.
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. Neither the name of the author nor the names of any co-contributors
47 * may be used to endorse or promote products derived from this software
48 * without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
51 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
53 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
54 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
55 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
56 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
57 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
58 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
59 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
64 #include "namespace.h"
65 #include <sys/types.h>
67 #include <sys/param.h>
68 #include <sys/select.h>
69 #include <sys/signalvar.h>
70 #include <sys/socket.h>
88 #include "un-namespace.h"
90 #include "thr_private.h"
92 extern int __creat(const char *, mode_t);
93 extern int __pselect(int, fd_set *, fd_set *, fd_set *,
94 const struct timespec *, const sigset_t *);
95 extern unsigned __sleep(unsigned int);
96 extern int __system(const char *);
97 extern int __tcdrain(int);
98 extern int __usleep(useconds_t);
99 extern pid_t __wait(int *);
100 extern pid_t __waitpid(pid_t, int *, int);
101 extern int __sys_aio_suspend(const struct aiocb * const[], int,
102 const struct timespec *);
103 extern int __sys_accept(int, struct sockaddr *, socklen_t *);
104 extern int __sys_connect(int, const struct sockaddr *, socklen_t);
105 extern int __sys_fsync(int);
106 extern int __sys_msync(void *, size_t, int);
107 extern int __sys_poll(struct pollfd *, unsigned, int);
108 extern ssize_t __sys_recv(int, void *, size_t, int);
109 extern ssize_t __sys_recvfrom(int, void *, size_t, int, struct sockaddr *, socklen_t *);
110 extern ssize_t __sys_recvmsg(int, struct msghdr *, int);
111 extern int __sys_select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
112 extern int __sys_sendfile(int, int, off_t, size_t, struct sf_hdtr *,
114 extern ssize_t __sys_sendmsg(int, const struct msghdr *, int);
115 extern ssize_t __sys_sendto(int, const void *,size_t, int, const struct sockaddr *, socklen_t);
116 extern ssize_t __sys_readv(int, const struct iovec *, int);
117 extern pid_t __sys_wait4(pid_t, int *, int, struct rusage *);
118 extern ssize_t __sys_writev(int, const struct iovec *, int);
120 int ___creat(const char *, mode_t);
121 int ___pselect(int, fd_set *, fd_set *, fd_set *,
122 const struct timespec *, const sigset_t *);
123 unsigned ___sleep(unsigned);
124 int ___system(const char *);
126 int ___usleep(useconds_t useconds);
127 pid_t ___wait(int *);
128 pid_t ___waitpid(pid_t, int *, int);
129 int __accept(int, struct sockaddr *, socklen_t *);
130 int __aio_suspend(const struct aiocb * const iocbs[], int,
131 const struct timespec *);
133 int __connect(int, const struct sockaddr *, socklen_t);
134 int __fcntl(int, int,...);
135 extern int __fcntl_compat(int, int,...);
137 int __msync(void *, size_t, int);
138 int __nanosleep(const struct timespec *, struct timespec *);
139 int __open(const char *, int,...);
140 int __poll(struct pollfd *, unsigned int, int);
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 __wait3(int *, int, struct rusage *);
150 pid_t __wait4(pid_t, int *, int, struct rusage *);
151 ssize_t __write(int, const void *, size_t);
152 ssize_t __writev(int, const struct iovec *, int);
154 __weak_reference(__accept, accept);
157 __accept(int s, struct sockaddr *addr, socklen_t *addrlen)
159 struct pthread *curthread;
162 curthread = _get_curthread();
163 _thr_cancel_enter(curthread);
164 ret = __sys_accept(s, addr, addrlen);
165 _thr_cancel_leave(curthread);
170 __weak_reference(__aio_suspend, aio_suspend);
173 __aio_suspend(const struct aiocb * const iocbs[], int niocb, const struct
176 struct pthread *curthread = _get_curthread();
179 _thr_cancel_enter(curthread);
180 ret = __sys_aio_suspend(iocbs, niocb, timeout);
181 _thr_cancel_leave(curthread);
186 __weak_reference(__close, close);
191 struct pthread *curthread = _get_curthread();
194 _thr_cancel_enter(curthread);
195 ret = __sys_close(fd);
196 _thr_cancel_leave(curthread);
201 __weak_reference(__connect, connect);
204 __connect(int fd, const struct sockaddr *name, socklen_t namelen)
206 struct pthread *curthread = _get_curthread();
209 _thr_cancel_enter(curthread);
210 ret = __sys_connect(fd, name, namelen);
211 _thr_cancel_leave(curthread);
216 __weak_reference(___creat, creat);
219 ___creat(const char *path, mode_t mode)
221 struct pthread *curthread = _get_curthread();
224 _thr_cancel_enter(curthread);
225 ret = __creat(path, mode);
226 _thr_cancel_leave(curthread);
231 __weak_reference(__fcntl, fcntl);
234 __fcntl(int fd, int cmd,...)
236 struct pthread *curthread = _get_curthread();
240 _thr_cancel_enter(curthread);
245 ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
249 ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
253 ret = __sys_fcntl(fd, cmd);
256 ret = __fcntl_compat(fd, cmd, va_arg(ap, void *));
260 _thr_cancel_leave(curthread);
265 __weak_reference(__fsync, fsync);
270 struct pthread *curthread = _get_curthread();
273 _thr_cancel_enter(curthread);
274 ret = __sys_fsync(fd);
275 _thr_cancel_leave(curthread);
280 __weak_reference(__msync, msync);
283 __msync(void *addr, size_t len, int flags)
285 struct pthread *curthread = _get_curthread();
288 _thr_cancel_enter(curthread);
289 ret = __sys_msync(addr, len, flags);
290 _thr_cancel_leave(curthread);
295 __weak_reference(__nanosleep, nanosleep);
298 __nanosleep(const struct timespec *time_to_sleep,
299 struct timespec *time_remaining)
301 struct pthread *curthread = _get_curthread();
304 _thr_cancel_enter(curthread);
305 ret = __sys_nanosleep(time_to_sleep, time_remaining);
306 _thr_cancel_leave(curthread);
311 __weak_reference(__open, open);
314 __open(const char *path, int flags,...)
316 struct pthread *curthread = _get_curthread();
321 _thr_cancel_enter(curthread);
323 /* Check if the file is being created: */
324 if (flags & O_CREAT) {
325 /* Get the creation mode: */
327 mode = va_arg(ap, int);
331 ret = __sys_open(path, flags, mode);
333 _thr_cancel_leave(curthread);
338 __weak_reference(__poll, poll);
341 __poll(struct pollfd *fds, unsigned int nfds, int timeout)
343 struct pthread *curthread = _get_curthread();
346 _thr_cancel_enter(curthread);
347 ret = __sys_poll(fds, nfds, timeout);
348 _thr_cancel_leave(curthread);
353 __weak_reference(___pselect, pselect);
356 ___pselect(int count, fd_set *rfds, fd_set *wfds, fd_set *efds,
357 const struct timespec *timo, const sigset_t *mask)
359 struct pthread *curthread = _get_curthread();
362 _thr_cancel_enter(curthread);
363 ret = __pselect(count, rfds, wfds, efds, timo, mask);
364 _thr_cancel_leave(curthread);
369 __weak_reference(__read, read);
372 __read(int fd, void *buf, size_t nbytes)
374 struct pthread *curthread = _get_curthread();
377 _thr_cancel_enter(curthread);
378 ret = __sys_read(fd, buf, nbytes);
379 _thr_cancel_leave(curthread);
384 __weak_reference(__readv, readv);
387 __readv(int fd, const struct iovec *iov, int iovcnt)
389 struct pthread *curthread = _get_curthread();
392 _thr_cancel_enter(curthread);
393 ret = __sys_readv(fd, iov, iovcnt);
394 _thr_cancel_leave(curthread);
399 __weak_reference(__recvfrom, recvfrom);
402 __recvfrom(int s, void *b, size_t l, int f, struct sockaddr *from,
405 struct pthread *curthread = _get_curthread();
408 _thr_cancel_enter(curthread);
409 ret = __sys_recvfrom(s, b, l, f, from, fl);
410 _thr_cancel_leave(curthread);
414 __weak_reference(__recvmsg, recvmsg);
417 __recvmsg(int s, struct msghdr *m, int f)
419 struct pthread *curthread = _get_curthread();
422 _thr_cancel_enter(curthread);
423 ret = __sys_recvmsg(s, m, f);
424 _thr_cancel_leave(curthread);
428 __weak_reference(__select, select);
431 __select(int numfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
432 struct timeval *timeout)
434 struct pthread *curthread = _get_curthread();
437 _thr_cancel_enter(curthread);
438 ret = __sys_select(numfds, readfds, writefds, exceptfds, timeout);
439 _thr_cancel_leave(curthread);
443 __weak_reference(__sendmsg, sendmsg);
446 __sendmsg(int s, const struct msghdr *m, int f)
448 struct pthread *curthread = _get_curthread();
451 _thr_cancel_enter(curthread);
452 ret = __sys_sendmsg(s, m, f);
453 _thr_cancel_leave(curthread);
457 __weak_reference(__sendto, sendto);
460 __sendto(int s, const void *m, size_t l, int f, const struct sockaddr *t,
463 struct pthread *curthread = _get_curthread();
466 _thr_cancel_enter(curthread);
467 ret = __sys_sendto(s, m, l, f, t, tl);
468 _thr_cancel_leave(curthread);
472 __weak_reference(___sleep, sleep);
475 ___sleep(unsigned int seconds)
477 struct pthread *curthread = _get_curthread();
480 _thr_cancel_enter(curthread);
481 ret = __sleep(seconds);
482 _thr_cancel_leave(curthread);
487 __weak_reference(___system, system);
490 ___system(const char *string)
492 struct pthread *curthread = _get_curthread();
495 _thr_cancel_enter(curthread);
496 ret = __system(string);
497 _thr_cancel_leave(curthread);
502 __weak_reference(___tcdrain, tcdrain);
507 struct pthread *curthread = _get_curthread();
510 _thr_cancel_enter(curthread);
512 _thr_cancel_leave(curthread);
517 __weak_reference(___usleep, usleep);
520 ___usleep(useconds_t useconds)
522 struct pthread *curthread = _get_curthread();
525 _thr_cancel_enter(curthread);
526 ret = __usleep(useconds);
527 _thr_cancel_leave(curthread);
532 __weak_reference(___wait, wait);
537 struct pthread *curthread = _get_curthread();
540 _thr_cancel_enter(curthread);
542 _thr_cancel_leave(curthread);
547 __weak_reference(__wait3, wait3);
550 __wait3(int *status, int options, struct rusage *rusage)
552 struct pthread *curthread = _get_curthread();
555 _thr_cancel_enter(curthread);
556 ret = _wait4(WAIT_ANY, status, options, rusage);
557 _thr_cancel_leave(curthread);
562 __weak_reference(__wait4, wait4);
565 __wait4(pid_t pid, int *status, int options, struct rusage *rusage)
567 struct pthread *curthread = _get_curthread();
570 _thr_cancel_enter(curthread);
571 ret = __sys_wait4(pid, status, options, rusage);
572 _thr_cancel_leave(curthread);
577 __weak_reference(___waitpid, waitpid);
580 ___waitpid(pid_t wpid, int *status, int options)
582 struct pthread *curthread = _get_curthread();
585 _thr_cancel_enter(curthread);
586 ret = __waitpid(wpid, status, options);
587 _thr_cancel_leave(curthread);
592 __weak_reference(__write, write);
595 __write(int fd, const void *buf, size_t nbytes)
597 struct pthread *curthread = _get_curthread();
600 _thr_cancel_enter(curthread);
601 ret = __sys_write(fd, buf, nbytes);
602 _thr_cancel_leave(curthread);
607 __weak_reference(__writev, writev);
610 __writev(int fd, const struct iovec *iov, int iovcnt)
612 struct pthread *curthread = _get_curthread();
615 _thr_cancel_enter(curthread);
616 ret = __sys_writev(fd, iov, iovcnt);
617 _thr_cancel_leave(curthread);