lib/libc_r/uthread/uthread_fpathconf.c

   1 /*
   2  * Copyright (c) 2000 Maxim Sobolev <sobomax@FreeBSD.org>
   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  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: src/lib/libc_r/uthread/uthread_fpathconf.c,v 1.1.2.3 2002/10/22 14:44:03 fjoe Exp $
  27  * $DragonFly: src/lib/libc_r/uthread/uthread_fpathconf.c,v 1.2 2003/06/17 04:26:48 dillon Exp $
  28  */
  29 #include <unistd.h>
  30 #include <pthread.h>
  31 #include "pthread_private.h"
  32
  33 long
  34 _fpathconf(int fd, int name)
  35 {
  36         long            ret;
  37
  38         if ((ret = _FD_LOCK(fd, FD_READ, NULL)) == 0) {
  39                 ret = __sys_fpathconf(fd, name);
  40                 _FD_UNLOCK(fd, FD_READ);
  41         }
  42         return ret;
  43 }
  44
  45 __strong_reference(_fpathconf, fpathconf);