xref: /illumos-gate/usr/src/lib/libc/port/gen/mkfifo.c (revision 1a2d662a91cee3bf82f41cd47c7ae6f3825d9db2)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
24  */
25 
26 /*	Copyright (c) 1988 AT&T	*/
27 /*	  All Rights Reserved  	*/
28 
29 /*
30  * mkfifo(3c) - create a named pipe (FIFO). This code provides
31  * a POSIX mkfifo function.
32  */
33 
34 #include "lint.h"
35 #include <sys/types.h>
36 #include <sys/stat.h>
37 
38 int
39 mkfifoat(int fd, const char *path, mode_t mode)
40 {
41 	mode &= 0777;		/* only allow file access permissions */
42 	mode |= S_IFIFO;	/* creating a FIFO	*/
43 	return (mknodat(fd, path, mode, 0));
44 }
45 
46 #pragma weak _mkfifo = mkfifo
47 int
48 mkfifo(const char *path, mode_t mode)
49 {
50 	mode &= 0777;		/* only allow file access permissions */
51 	mode |= S_IFIFO;	/* creating a FIFO	*/
52 	return (mknod(path, mode, 0));
53 }
54