1 /* $OpenBSD: uthread_open.c,v 1.6 2000/01/06 07:20:10 d Exp $ */
2 /*
3 * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by John Birrell.
17 * 4. Neither the name of the author nor the names of any co-contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * $FreeBSD: uthread_open.c,v 1.6 1999/08/28 00:03:42 peter Exp $
34 *
35 */
36 #include <stdarg.h>
37 #include <unistd.h>
38 #include <fcntl.h>
39 #include <dirent.h>
40 #include <errno.h>
41 #ifdef _THREAD_SAFE
42 #include <pthread.h>
43 #include "pthread_private.h"
44
45 int
open(const char * path,int flags,...)46 open(const char *path, int flags,...)
47 {
48 int fd;
49 int mode = 0;
50 va_list ap;
51
52 /* This is a cancellation point: */
53 _thread_enter_cancellation_point();
54
55 /* Check if the file is being created: */
56 if (flags & O_CREAT) {
57 /* Get the creation mode: */
58 va_start(ap, flags);
59 mode = va_arg(ap, int);
60 va_end(ap);
61 }
62 /* Open the file: */
63 if ((fd = _thread_sys_open(path, flags, mode)) < 0) {
64 }
65 /* Initialise the file descriptor table entry: */
66 else if (_thread_fd_table_init(fd) != 0) {
67 /* Quietly close the file: */
68 _thread_sys_close(fd);
69
70 /* Reset the file descriptor: */
71 fd = -1;
72 }
73
74 /* No longer in a cancellation point: */
75 _thread_leave_cancellation_point();
76
77 /* Return the file descriptor or -1 on error: */
78 return (fd);
79 }
80 #endif
81