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_pselect(int, fd_set *, fd_set *, fd_set *,
108 const struct timespec *, const sigset_t *);
109 extern int __sys_poll(struct pollfd *, unsigned, int);
110 extern ssize_t __sys_recv(int, void *, size_t, int);
111 extern ssize_t __sys_recvfrom(int, void *, size_t, int, struct sockaddr *, socklen_t *);
112 extern ssize_t __sys_recvmsg(int, struct msghdr *, int);
113 extern int __sys_select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
114 extern int __sys_sendfile(int, int, off_t, size_t, struct sf_hdtr *,
116 extern ssize_t __sys_sendmsg(int, const struct msghdr *, int);
117 extern ssize_t __sys_sendto(int, const void *,size_t, int, const struct sockaddr *, socklen_t);
118 extern ssize_t __sys_readv(int, const struct iovec *, int);
119 extern pid_t __sys_wait4(pid_t, int *, int, struct rusage *);
120 extern ssize_t __sys_writev(int, const struct iovec *, int);
122 int ___creat(const char *, mode_t);
123 int ___pselect(int, fd_set *, fd_set *, fd_set *,
124 const struct timespec *, const sigset_t *);
125 unsigned ___sleep(unsigned);
126 int ___system(const char *);
128 int ___usleep(useconds_t useconds);
129 pid_t ___wait(int *);
130 pid_t ___waitpid(pid_t, int *, int);
131 int __accept(int, struct sockaddr *, socklen_t *);
132 int __aio_suspend(const struct aiocb * const iocbs[], int,
133 const struct timespec *);
135 int __connect(int, const struct sockaddr *, socklen_t);
136 int __fcntl(int, int,...);
137 #ifdef SYSCALL_COMPAT
138 extern int __fcntl_compat(int, int,...);
141 int __msync(void *, size_t, int);
142 int __nanosleep(const struct timespec *, struct timespec *);
143 int __open(const char *, int,...);
144 int __poll(struct pollfd *, unsigned int, int);
145 ssize_t __read(int, void *buf, size_t);
146 ssize_t __readv(int, const struct iovec *, int);
147 ssize_t __recvfrom(int, void *, size_t, int f, struct sockaddr *, socklen_t *);
148 ssize_t __recvmsg(int, struct msghdr *, int);
149 int __select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
150 ssize_t __sendmsg(int, const struct msghdr *, int);
151 ssize_t __sendto(int, const void *, size_t, int,
152 const struct sockaddr *, socklen_t);
153 pid_t __wait3(int *, int, struct rusage *);
154 pid_t __wait4(pid_t, int *, int, struct rusage *);
155 ssize_t __write(int, const void *, size_t);
156 ssize_t __writev(int, const struct iovec *, int);
158 __weak_reference(__accept, accept);
161 __accept(int s, struct sockaddr *addr, socklen_t *addrlen)
163 struct pthread *curthread;
166 curthread = _get_curthread();
167 _thr_cancel_enter(curthread);
168 ret = __sys_accept(s, addr, addrlen);
169 _thr_cancel_leave(curthread);
174 __weak_reference(__aio_suspend, aio_suspend);
177 __aio_suspend(const struct aiocb * const iocbs[], int niocb, const struct
180 struct pthread *curthread = _get_curthread();
183 _thr_cancel_enter(curthread);
184 ret = __sys_aio_suspend(iocbs, niocb, timeout);
185 _thr_cancel_leave(curthread);
190 __weak_reference(__close, close);
195 struct pthread *curthread = _get_curthread();
198 _thr_cancel_enter(curthread);
199 ret = __sys_close(fd);
200 _thr_cancel_leave(curthread);
205 __weak_reference(__connect, connect);
208 __connect(int fd, const struct sockaddr *name, socklen_t namelen)
210 struct pthread *curthread = _get_curthread();
213 _thr_cancel_enter(curthread);
214 ret = __sys_connect(fd, name, namelen);
215 _thr_cancel_leave(curthread);
220 __weak_reference(___creat, creat);
223 ___creat(const char *path, mode_t mode)
225 struct pthread *curthread = _get_curthread();
228 _thr_cancel_enter(curthread);
229 ret = __creat(path, mode);
230 _thr_cancel_leave(curthread);
235 __weak_reference(__fcntl, fcntl);
238 __fcntl(int fd, int cmd,...)
240 struct pthread *curthread = _get_curthread();
244 _thr_cancel_enter(curthread);
249 ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
253 ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
257 ret = __sys_fcntl(fd, cmd);
260 #ifdef SYSCALL_COMPAT
261 ret = __fcntl_compat(fd, cmd, va_arg(ap, void *));
263 ret = __sys_fcntl(fd, cmd, va_arg(ap, void *));
268 _thr_cancel_leave(curthread);
273 __weak_reference(__fsync, fsync);
278 struct pthread *curthread = _get_curthread();
281 _thr_cancel_enter(curthread);
282 ret = __sys_fsync(fd);
283 _thr_cancel_leave(curthread);
288 __weak_reference(__msync, msync);
291 __msync(void *addr, size_t len, int flags)
293 struct pthread *curthread = _get_curthread();
296 _thr_cancel_enter(curthread);
297 ret = __sys_msync(addr, len, flags);
298 _thr_cancel_leave(curthread);
303 __weak_reference(__nanosleep, nanosleep);
306 __nanosleep(const struct timespec *time_to_sleep,
307 struct timespec *time_remaining)
309 struct pthread *curthread = _get_curthread();
312 _thr_cancel_enter(curthread);
313 ret = __sys_nanosleep(time_to_sleep, time_remaining);
314 _thr_cancel_leave(curthread);
319 __weak_reference(__open, open);
322 __open(const char *path, int flags,...)
324 struct pthread *curthread = _get_curthread();
329 _thr_cancel_enter(curthread);
331 /* Check if the file is being created: */
332 if (flags & O_CREAT) {
333 /* Get the creation mode: */
335 mode = va_arg(ap, int);
339 ret = __sys_open(path, flags, mode);
341 _thr_cancel_leave(curthread);
346 __weak_reference(__poll, poll);
349 __poll(struct pollfd *fds, unsigned int nfds, int timeout)
351 struct pthread *curthread = _get_curthread();
354 _thr_cancel_enter(curthread);
355 ret = __sys_poll(fds, nfds, timeout);
356 _thr_cancel_leave(curthread);
361 __weak_reference(___pselect, pselect);
364 ___pselect(int count, fd_set *rfds, fd_set *wfds, fd_set *efds,
365 const struct timespec *timo, const sigset_t *mask)
367 struct pthread *curthread = _get_curthread();
370 _thr_cancel_enter(curthread);
371 ret = __sys_pselect(count, rfds, wfds, efds, timo, mask);
372 _thr_cancel_leave(curthread);
377 __weak_reference(__read, read);
380 __read(int fd, void *buf, size_t nbytes)
382 struct pthread *curthread = _get_curthread();
385 _thr_cancel_enter(curthread);
386 ret = __sys_read(fd, buf, nbytes);
387 _thr_cancel_leave(curthread);
392 __weak_reference(__readv, readv);
395 __readv(int fd, const struct iovec *iov, int iovcnt)
397 struct pthread *curthread = _get_curthread();
400 _thr_cancel_enter(curthread);
401 ret = __sys_readv(fd, iov, iovcnt);
402 _thr_cancel_leave(curthread);
407 __weak_reference(__recvfrom, recvfrom);
410 __recvfrom(int s, void *b, size_t l, int f, struct sockaddr *from,
413 struct pthread *curthread = _get_curthread();
416 _thr_cancel_enter(curthread);
417 ret = __sys_recvfrom(s, b, l, f, from, fl);
418 _thr_cancel_leave(curthread);
422 __weak_reference(__recvmsg, recvmsg);
425 __recvmsg(int s, struct msghdr *m, int f)
427 struct pthread *curthread = _get_curthread();
430 _thr_cancel_enter(curthread);
431 ret = __sys_recvmsg(s, m, f);
432 _thr_cancel_leave(curthread);
436 __weak_reference(__select, select);
439 __select(int numfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
440 struct timeval *timeout)
442 struct pthread *curthread = _get_curthread();
445 _thr_cancel_enter(curthread);
446 ret = __sys_select(numfds, readfds, writefds, exceptfds, timeout);
447 _thr_cancel_leave(curthread);
451 __weak_reference(__sendmsg, sendmsg);
454 __sendmsg(int s, const struct msghdr *m, int f)
456 struct pthread *curthread = _get_curthread();
459 _thr_cancel_enter(curthread);
460 ret = __sys_sendmsg(s, m, f);
461 _thr_cancel_leave(curthread);
465 __weak_reference(__sendto, sendto);
468 __sendto(int s, const void *m, size_t l, int f, const struct sockaddr *t,
471 struct pthread *curthread = _get_curthread();
474 _thr_cancel_enter(curthread);
475 ret = __sys_sendto(s, m, l, f, t, tl);
476 _thr_cancel_leave(curthread);
480 __weak_reference(___sleep, sleep);
483 ___sleep(unsigned int seconds)
485 struct pthread *curthread = _get_curthread();
488 _thr_cancel_enter(curthread);
489 ret = __sleep(seconds);
490 _thr_cancel_leave(curthread);
495 __weak_reference(___system, system);
498 ___system(const char *string)
500 struct pthread *curthread = _get_curthread();
503 _thr_cancel_enter(curthread);
504 ret = __system(string);
505 _thr_cancel_leave(curthread);
510 __weak_reference(___tcdrain, tcdrain);
515 struct pthread *curthread = _get_curthread();
518 _thr_cancel_enter(curthread);
520 _thr_cancel_leave(curthread);
525 __weak_reference(___usleep, usleep);
528 ___usleep(useconds_t useconds)
530 struct pthread *curthread = _get_curthread();
533 _thr_cancel_enter(curthread);
534 ret = __usleep(useconds);
535 _thr_cancel_leave(curthread);
540 __weak_reference(___wait, wait);
545 struct pthread *curthread = _get_curthread();
548 _thr_cancel_enter(curthread);
550 _thr_cancel_leave(curthread);
555 __weak_reference(__wait3, wait3);
558 __wait3(int *status, int options, struct rusage *rusage)
560 struct pthread *curthread = _get_curthread();
563 _thr_cancel_enter(curthread);
564 ret = _wait4(WAIT_ANY, status, options, rusage);
565 _thr_cancel_leave(curthread);
570 __weak_reference(__wait4, wait4);
573 __wait4(pid_t pid, int *status, int options, struct rusage *rusage)
575 struct pthread *curthread = _get_curthread();
578 _thr_cancel_enter(curthread);
579 ret = __sys_wait4(pid, status, options, rusage);
580 _thr_cancel_leave(curthread);
585 __weak_reference(___waitpid, waitpid);
588 ___waitpid(pid_t wpid, int *status, int options)
590 struct pthread *curthread = _get_curthread();
593 _thr_cancel_enter(curthread);
594 ret = __waitpid(wpid, status, options);
595 _thr_cancel_leave(curthread);
600 __weak_reference(__write, write);
603 __write(int fd, const void *buf, size_t nbytes)
605 struct pthread *curthread = _get_curthread();
608 _thr_cancel_enter(curthread);
609 ret = __sys_write(fd, buf, nbytes);
610 _thr_cancel_leave(curthread);
615 __weak_reference(__writev, writev);
618 __writev(int fd, const struct iovec *iov, int iovcnt)
620 struct pthread *curthread = _get_curthread();
623 _thr_cancel_enter(curthread);
624 ret = __sys_writev(fd, iov, iovcnt);
625 _thr_cancel_leave(curthread);