1 /* Copyright (C) 2002, 2005 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
24 pthread_mutexattr_setpshared (attr
, pshared
)
25 pthread_mutexattr_t
*attr
;
28 struct pthread_mutexattr
*iattr
;
30 if (pshared
!= PTHREAD_PROCESS_PRIVATE
31 && __builtin_expect (pshared
!= PTHREAD_PROCESS_SHARED
, 0))
34 iattr
= (struct pthread_mutexattr
*) attr
;
36 if (pshared
== PTHREAD_PROCESS_PRIVATE
)
37 iattr
->mutexkind
&= ~PTHREAD_MUTEXATTR_FLAG_PSHARED
;
39 iattr
->mutexkind
|= PTHREAD_MUTEXATTR_FLAG_PSHARED
;