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/*
* Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include "namespace.h"
#include <stdarg.h>
#include <fcntl.h>
#include <pthread.h>
#include "un-namespace.h"
#include "thr_private.h"
int __fcntl(int fd, int cmd,...);
__weak_reference(__fcntl, fcntl);
int
__fcntl(int fd, int cmd,...)
{
struct pthread *curthread = _get_curthread();
int ret, check = 1;
va_list ap;
_thr_cancel_enter(curthread);
va_start(ap, cmd);
switch (cmd) {
case F_DUPFD:
ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
/*
* To avoid possible file handle leak,
* only check cancellation point if it is failure
*/
check = (ret == -1);
break;
case F_SETFD:
case F_SETFL:
ret = __sys_fcntl(fd, cmd, va_arg(ap, int));
break;
case F_GETFD:
case F_GETFL:
ret = __sys_fcntl(fd, cmd);
break;
default:
ret = __sys_fcntl(fd, cmd, va_arg(ap, void *));
}
va_end(ap);
_thr_cancel_leave(curthread, check);
return (ret);
}
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