1 /* Copyright (C) 2002 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, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
24 pthread_mutexattr_getpshared (attr
, pshared
)
25 const pthread_mutexattr_t
*attr
;
28 const struct pthread_mutexattr
*iattr
;
30 iattr
= (const struct pthread_mutexattr
*) attr
;
32 /* We use bit 31 to single whether the mutex is going to be
33 process-shared or not. */
34 *pshared
= ((iattr
->mutexkind
& 0x80000000) != 0
35 ? PTHREAD_PROCESS_SHARED
: PTHREAD_PROCESS_PRIVATE
);