419 lines
9.2 KiB
C
419 lines
9.2 KiB
C
/*
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* Copyright (c) 2000 Jason Evans <jasone@freebsd.org>.
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* Copyright (c) 2002 Daniel M. Eischen <deischen@freebsd.org>
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* Copyright (c) 2003 Jeff Roberson <jeff@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice(s), this list of conditions and the following disclaimer as
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* the first lines of this file unmodified other than the possible
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* addition of one or more copyright notices.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice(s), this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by John Birrell.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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#include <sys/fcntl.h>
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#include <sys/mman.h>
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#include <sys/param.h>
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#include <sys/select.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/uio.h>
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#include <sys/wait.h>
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#include <aio.h>
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#include <dirent.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <poll.h>
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#include <pthread.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <termios.h>
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#include <unistd.h>
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#include "thr_private.h"
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__weak_reference(_aio_suspend, aio_suspend);
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int
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_aio_suspend(const struct aiocb * const iocbs[], int niocb, const struct
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timespec *timeout)
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{
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int ret;
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_thread_enter_cancellation_point();
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ret = __sys_aio_suspend(iocbs, niocb, timeout);
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_thread_leave_cancellation_point();
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return ret;
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}
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__weak_reference(__close, close);
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int
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__close(int fd)
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{
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int ret;
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_thread_enter_cancellation_point();
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ret = __sys_close(fd);
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_thread_leave_cancellation_point();
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return ret;
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}
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__weak_reference(___creat, creat);
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int
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___creat(const char *path, mode_t mode)
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{
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int ret;
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_thread_enter_cancellation_point();
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ret = __creat(path, mode);
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_thread_leave_cancellation_point();
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return ret;
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}
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__weak_reference(__fcntl, fcntl);
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int
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__fcntl(int fd, int cmd,...)
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{
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int ret;
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va_list ap;
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_thread_enter_cancellation_point();
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va_start(ap, cmd);
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switch (cmd) {
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case F_DUPFD:
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case F_SETFD:
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case F_SETFL:
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ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
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break;
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case F_GETFD:
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case F_GETFL:
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ret = __sys_fcntl(fd, cmd);
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break;
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default:
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ret = __sys_fcntl(fd, cmd, va_arg(ap, void *));
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}
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va_end(ap);
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_thread_leave_cancellation_point();
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return ret;
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}
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__weak_reference(__fsync, fsync);
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int
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__fsync(int fd)
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{
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int ret;
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_thread_enter_cancellation_point();
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ret = __sys_fsync(fd);
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_thread_leave_cancellation_point();
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return ret;
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}
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__weak_reference(__msync, msync);
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int
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__msync(void *addr, size_t len, int flags)
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{
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int ret;
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_thread_enter_cancellation_point();
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ret = __sys_msync(addr, len, flags);
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_thread_leave_cancellation_point();
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return ret;
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}
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__weak_reference(_nanosleep, nanosleep);
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int
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_nanosleep(const struct timespec * time_to_sleep, struct timespec *
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time_remaining)
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{
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int ret;
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_thread_enter_cancellation_point();
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ret = __sys_nanosleep(time_to_sleep, time_remaining);
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_thread_leave_cancellation_point();
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return ret;
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}
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__weak_reference(__open, open);
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int
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__open(const char *path, int flags,...)
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{
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int ret;
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int mode = 0;
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va_list ap;
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_thread_enter_cancellation_point();
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/* Check if the file is being created: */
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if (flags & O_CREAT) {
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/* Get the creation mode: */
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va_start(ap, flags);
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mode = va_arg(ap, int);
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va_end(ap);
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}
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ret = __sys_open(path, flags, mode);
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_thread_leave_cancellation_point();
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return ret;
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}
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__weak_reference(__poll, poll);
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int
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__poll(struct pollfd *fds, unsigned int nfds, int timeout)
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{
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int ret;
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_thread_enter_cancellation_point();
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ret = __sys_poll(fds, nfds, timeout);
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_thread_leave_cancellation_point();
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return ret;
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}
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extern int __pselect(int count, fd_set *rfds, fd_set *wfds, fd_set *efds,
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const struct timespec *timo, const sigset_t *mask);
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int
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pselect(int count, fd_set *rfds, fd_set *wfds, fd_set *efds,
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const struct timespec *timo, const sigset_t *mask)
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{
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int ret;
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_thread_enter_cancellation_point();
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ret = __pselect(count, rfds, wfds, efds, timo, mask);
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_thread_leave_cancellation_point();
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return (ret);
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}
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__weak_reference(__read, read);
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ssize_t
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__read(int fd, void *buf, size_t nbytes)
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{
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ssize_t ret;
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_thread_enter_cancellation_point();
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ret = __sys_read(fd, buf, nbytes);
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_thread_leave_cancellation_point();
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return ret;
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}
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__weak_reference(__readv, readv);
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ssize_t
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__readv(int fd, const struct iovec *iov, int iovcnt)
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{
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ssize_t ret;
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_thread_enter_cancellation_point();
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ret = __sys_readv(fd, iov, iovcnt);
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_thread_leave_cancellation_point();
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return ret;
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}
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__weak_reference(__select, select);
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int
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__select(int numfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
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struct timeval *timeout)
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{
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int ret;
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_thread_enter_cancellation_point();
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ret = __sys_select(numfds, readfds, writefds, exceptfds, timeout);
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_thread_leave_cancellation_point();
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return ret;
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}
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__weak_reference(_sleep, sleep);
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unsigned int
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_sleep(unsigned int seconds)
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{
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unsigned int ret;
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_thread_enter_cancellation_point();
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ret = __sleep(seconds);
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_thread_leave_cancellation_point();
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return ret;
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}
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__weak_reference(_system, system);
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int
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_system(const char *string)
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{
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int ret;
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_thread_enter_cancellation_point();
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ret = __system(string);
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_thread_leave_cancellation_point();
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return ret;
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}
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__weak_reference(_tcdrain, tcdrain);
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int
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_tcdrain(int fd)
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{
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int ret;
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_thread_enter_cancellation_point();
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ret = __tcdrain(fd);
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_thread_leave_cancellation_point();
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return ret;
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}
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__weak_reference(_wait, wait);
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pid_t
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_wait(int *istat)
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{
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pid_t ret;
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_thread_enter_cancellation_point();
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ret = __wait(istat);
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_thread_leave_cancellation_point();
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return ret;
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}
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__weak_reference(__wait4, wait4);
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pid_t
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__wait4(pid_t pid, int *istat, int options, struct rusage *rusage)
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{
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pid_t ret;
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_thread_enter_cancellation_point();
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ret = _wait4(pid, istat, options, rusage);
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_thread_leave_cancellation_point();
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return ret;
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}
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__weak_reference(_waitpid, waitpid);
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pid_t
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_waitpid(pid_t wpid, int *status, int options)
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{
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pid_t ret;
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_thread_enter_cancellation_point();
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ret = __waitpid(wpid, status, options);
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_thread_leave_cancellation_point();
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return ret;
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}
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__weak_reference(__write, write);
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ssize_t
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__write(int fd, const void *buf, size_t nbytes)
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{
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ssize_t ret;
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_thread_enter_cancellation_point();
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ret = __sys_write(fd, buf, nbytes);
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_thread_leave_cancellation_point();
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return ret;
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}
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__weak_reference(__writev, writev);
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ssize_t
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__writev(int fd, const struct iovec *iov, int iovcnt)
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{
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ssize_t ret;
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_thread_enter_cancellation_point();
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ret = __sys_writev(fd, iov, iovcnt);
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_thread_leave_cancellation_point();
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return ret;
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}
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