1/*
2 * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the author nor the names of any co-contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD$
30 *
31 */
32
33#include "namespace.h"
34#include <stdarg.h>
35#include <unistd.h>
36#include <fcntl.h>
37#include <dirent.h>
38#include <errno.h>
39#include <pthread.h>
40#include "un-namespace.h"
41#include "thr_private.h"
42
43int	__open(const char *path, int flags,...);
44
45__weak_reference(__open, open);
46
47int
48__open(const char *path, int flags,...)
49{
50	struct pthread *curthread = _get_curthread();
51	int	ret;
52	int	mode = 0;
53	va_list	ap;
54
55	_thr_cancel_enter(curthread);
56
57	/* Check if the file is being created: */
58	if (flags & O_CREAT) {
59		/* Get the creation mode: */
60		va_start(ap, flags);
61		mode = va_arg(ap, int);
62		va_end(ap);
63	}
64
65	ret = __sys_open(path, flags, mode);
66	/*
67	 * To avoid possible file handle leak,
68	 * only check cancellation point if it is failure
69	 */
70	_thr_cancel_leave(curthread, (ret == -1));
71
72	return ret;
73}
74