usr/src/lib/libc/port/gen/mkfifo.c

   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 }