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 __openat(int, const char *, int,...);
145 int __poll(struct pollfd *, unsigned int, int);
146 ssize_t __read(int, void *buf, size_t);
147 ssize_t __readv(int, const struct iovec *, int);
148 ssize_t __recvfrom(int, void *, size_t, int f, struct sockaddr *, socklen_t *);
149 ssize_t __recvmsg(int, struct msghdr *, int);
150 int __select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
151 ssize_t __sendmsg(int, const struct msghdr *, int);
152 ssize_t __sendto(int, const void *, size_t, int,
153 const struct sockaddr *, socklen_t);
154 pid_t __wait3(int *, int, struct rusage *);
155 pid_t __wait4(pid_t, int *, int, struct rusage *);
156 ssize_t __write(int, const void *, size_t);
157 ssize_t __writev(int, const struct iovec *, int);
159 __weak_reference(__accept, accept);
162 __accept(int s, struct sockaddr *addr, socklen_t *addrlen)
164 struct pthread *curthread;
167 curthread = _get_curthread();
168 _thr_cancel_enter(curthread);
169 ret = __sys_accept(s, addr, addrlen);
170 _thr_cancel_leave(curthread);
175 __weak_reference(__aio_suspend, aio_suspend);
178 __aio_suspend(const struct aiocb * const iocbs[], int niocb, const struct
181 struct pthread *curthread = _get_curthread();
184 _thr_cancel_enter(curthread);
185 ret = __sys_aio_suspend(iocbs, niocb, timeout);
186 _thr_cancel_leave(curthread);
191 __weak_reference(__close, close);
196 struct pthread *curthread = _get_curthread();
199 _thr_cancel_enter(curthread);
200 ret = __sys_close(fd);
201 _thr_cancel_leave(curthread);
206 __weak_reference(__connect, connect);
209 __connect(int fd, const struct sockaddr *name, socklen_t namelen)
211 struct pthread *curthread = _get_curthread();
214 _thr_cancel_enter(curthread);
215 ret = __sys_connect(fd, name, namelen);
216 _thr_cancel_leave(curthread);
221 __weak_reference(___creat, creat);
224 ___creat(const char *path, mode_t mode)
226 struct pthread *curthread = _get_curthread();
229 _thr_cancel_enter(curthread);
230 ret = __creat(path, mode);
231 _thr_cancel_leave(curthread);
236 __weak_reference(__fcntl, fcntl);
239 __fcntl(int fd, int cmd,...)
241 struct pthread *curthread = _get_curthread();
245 _thr_cancel_enter(curthread);
250 ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
254 ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
258 ret = __sys_fcntl(fd, cmd);
261 #ifdef SYSCALL_COMPAT
262 ret = __fcntl_compat(fd, cmd, va_arg(ap, void *));
264 ret = __sys_fcntl(fd, cmd, va_arg(ap, void *));
269 _thr_cancel_leave(curthread);
274 __weak_reference(__fsync, fsync);
279 struct pthread *curthread = _get_curthread();
282 _thr_cancel_enter(curthread);
283 ret = __sys_fsync(fd);
284 _thr_cancel_leave(curthread);
289 __weak_reference(__msync, msync);
292 __msync(void *addr, size_t len, int flags)
294 struct pthread *curthread = _get_curthread();
297 _thr_cancel_enter(curthread);
298 ret = __sys_msync(addr, len, flags);
299 _thr_cancel_leave(curthread);
304 __weak_reference(__nanosleep, nanosleep);
307 __nanosleep(const struct timespec *time_to_sleep,
308 struct timespec *time_remaining)
310 struct pthread *curthread = _get_curthread();
313 _thr_cancel_enter(curthread);
314 ret = __sys_nanosleep(time_to_sleep, time_remaining);
315 _thr_cancel_leave(curthread);
320 __weak_reference(__open, open);
323 __open(const char *path, int flags,...)
325 struct pthread *curthread = _get_curthread();
330 _thr_cancel_enter(curthread);
332 /* Check if the file is being created: */
333 if (flags & O_CREAT) {
334 /* Get the creation mode: */
336 mode = va_arg(ap, int);
340 ret = __sys_open(path, flags, mode);
342 _thr_cancel_leave(curthread);
347 __weak_reference(__openat, openat);
350 __openat(int fd, const char *path, int flags, ...)
352 struct pthread *curthread = _get_curthread();
357 _thr_cancel_enter(curthread);
359 /* Check if the file is being created: */
360 if (flags & O_CREAT) {
361 /* Get the creation mode: */
363 mode = va_arg(ap, int);
367 ret = __sys_openat(fd, path, flags, mode);
369 _thr_cancel_leave(curthread);
374 __weak_reference(__poll, poll);
377 __poll(struct pollfd *fds, unsigned int nfds, int timeout)
379 struct pthread *curthread = _get_curthread();
382 _thr_cancel_enter(curthread);
383 ret = __sys_poll(fds, nfds, timeout);
384 _thr_cancel_leave(curthread);
389 __weak_reference(___pselect, pselect);
392 ___pselect(int count, fd_set *rfds, fd_set *wfds, fd_set *efds,
393 const struct timespec *timo, const sigset_t *mask)
395 struct pthread *curthread = _get_curthread();
398 _thr_cancel_enter(curthread);
399 ret = __sys_pselect(count, rfds, wfds, efds, timo, mask);
400 _thr_cancel_leave(curthread);
405 __weak_reference(__read, read);
408 __read(int fd, void *buf, size_t nbytes)
410 struct pthread *curthread = _get_curthread();
413 _thr_cancel_enter(curthread);
414 ret = __sys_read(fd, buf, nbytes);
415 _thr_cancel_leave(curthread);
420 __weak_reference(__readv, readv);
423 __readv(int fd, const struct iovec *iov, int iovcnt)
425 struct pthread *curthread = _get_curthread();
428 _thr_cancel_enter(curthread);
429 ret = __sys_readv(fd, iov, iovcnt);
430 _thr_cancel_leave(curthread);
435 __weak_reference(__recvfrom, recvfrom);
438 __recvfrom(int s, void *b, size_t l, int f, struct sockaddr *from,
441 struct pthread *curthread = _get_curthread();
444 _thr_cancel_enter(curthread);
445 ret = __sys_recvfrom(s, b, l, f, from, fl);
446 _thr_cancel_leave(curthread);
450 __weak_reference(__recvmsg, recvmsg);
453 __recvmsg(int s, struct msghdr *m, int f)
455 struct pthread *curthread = _get_curthread();
458 _thr_cancel_enter(curthread);
459 ret = __sys_recvmsg(s, m, f);
460 _thr_cancel_leave(curthread);
464 __weak_reference(__select, select);
467 __select(int numfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
468 struct timeval *timeout)
470 struct pthread *curthread = _get_curthread();
473 _thr_cancel_enter(curthread);
474 ret = __sys_select(numfds, readfds, writefds, exceptfds, timeout);
475 _thr_cancel_leave(curthread);
479 __weak_reference(__sendmsg, sendmsg);
482 __sendmsg(int s, const struct msghdr *m, int f)
484 struct pthread *curthread = _get_curthread();
487 _thr_cancel_enter(curthread);
488 ret = __sys_sendmsg(s, m, f);
489 _thr_cancel_leave(curthread);
493 __weak_reference(__sendto, sendto);
496 __sendto(int s, const void *m, size_t l, int f, const struct sockaddr *t,
499 struct pthread *curthread = _get_curthread();
502 _thr_cancel_enter(curthread);
503 ret = __sys_sendto(s, m, l, f, t, tl);
504 _thr_cancel_leave(curthread);
508 __weak_reference(___sleep, sleep);
511 ___sleep(unsigned int seconds)
513 struct pthread *curthread = _get_curthread();
516 _thr_cancel_enter(curthread);
517 ret = __sleep(seconds);
518 _thr_cancel_leave(curthread);
523 __weak_reference(___system, system);
526 ___system(const char *string)
528 struct pthread *curthread = _get_curthread();
531 _thr_cancel_enter(curthread);
532 ret = __system(string);
533 _thr_cancel_leave(curthread);
538 __weak_reference(___tcdrain, tcdrain);
543 struct pthread *curthread = _get_curthread();
546 _thr_cancel_enter(curthread);
548 _thr_cancel_leave(curthread);
553 __weak_reference(___usleep, usleep);
556 ___usleep(useconds_t useconds)
558 struct pthread *curthread = _get_curthread();
561 _thr_cancel_enter(curthread);
562 ret = __usleep(useconds);
563 _thr_cancel_leave(curthread);
568 __weak_reference(___wait, wait);
573 struct pthread *curthread = _get_curthread();
576 _thr_cancel_enter(curthread);
578 _thr_cancel_leave(curthread);
583 __weak_reference(__wait3, wait3);
586 __wait3(int *status, int options, struct rusage *rusage)
588 struct pthread *curthread = _get_curthread();
591 _thr_cancel_enter(curthread);
592 ret = _wait4(WAIT_ANY, status, options, rusage);
593 _thr_cancel_leave(curthread);
598 __weak_reference(__wait4, wait4);
601 __wait4(pid_t pid, int *status, int options, struct rusage *rusage)
603 struct pthread *curthread = _get_curthread();
606 _thr_cancel_enter(curthread);
607 ret = __sys_wait4(pid, status, options, rusage);
608 _thr_cancel_leave(curthread);
613 __weak_reference(___waitpid, waitpid);
616 ___waitpid(pid_t wpid, int *status, int options)
618 struct pthread *curthread = _get_curthread();
621 _thr_cancel_enter(curthread);
622 ret = __waitpid(wpid, status, options);
623 _thr_cancel_leave(curthread);
628 __weak_reference(__write, write);
631 __write(int fd, const void *buf, size_t nbytes)
633 struct pthread *curthread = _get_curthread();
636 _thr_cancel_enter(curthread);
637 ret = __sys_write(fd, buf, nbytes);
638 _thr_cancel_leave(curthread);
643 __weak_reference(__writev, writev);
646 __writev(int fd, const struct iovec *iov, int iovcnt)
648 struct pthread *curthread = _get_curthread();
651 _thr_cancel_enter(curthread);
652 ret = __sys_writev(fd, iov, iovcnt);
653 _thr_cancel_leave(curthread);