summaryrefslogtreecommitdiff
path: root/nptl/pthread_mutexattr_getpshared.c
blob: 793c349cbd7dc260c558822ec65319a6f7b3aa32 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
/* Copyright (C) 2002-2017 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <pthreadP.h>


int
pthread_mutexattr_getpshared (const pthread_mutexattr_t *attr, int *pshared)
{
  const struct pthread_mutexattr *iattr;

  iattr = (const struct pthread_mutexattr *) attr;

  *pshared = ((iattr->mutexkind & PTHREAD_MUTEXATTR_FLAG_PSHARED) != 0
	      ? PTHREAD_PROCESS_SHARED : PTHREAD_PROCESS_PRIVATE);

  return 0;
}