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39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/* Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <pthreadP.h>
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int
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pthread_mutexattr_getpshared (attr, pshared)
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const pthread_mutexattr_t *attr;
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int *pshared;
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{
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const struct pthread_mutexattr *iattr;
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iattr = (const struct pthread_mutexattr *) attr;
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/* We use bit 31 to signal whether the mutex is going to be
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process-shared or not. */
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*pshared = ((iattr->mutexkind & 0x80000000) != 0
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? PTHREAD_PROCESS_SHARED : PTHREAD_PROCESS_PRIVATE);
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return 0;
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}
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