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61dd6208fb
This patch introduces two new convenience functions to set the default thread attributes used for creating threads. This allows a programmer to set the default thread attributes just once in a process and then run pthread_create without additional attributes.
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/* Copyright (C) 2002-2013 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, see
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<http://www.gnu.org/licenses/>. */
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#include <assert.h>
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#include "pthreadP.h"
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int
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__pthread_attr_getstacksize (attr, stacksize)
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const pthread_attr_t *attr;
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size_t *stacksize;
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{
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struct pthread_attr *iattr;
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assert (sizeof (*attr) >= sizeof (struct pthread_attr));
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iattr = (struct pthread_attr *) attr;
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size_t size = iattr->stacksize;
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/* If the user has not set a stack size we return what the system
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will use as the default. */
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if (size == 0)
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{
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lll_lock (__default_pthread_attr_lock, LLL_PRIVATE);
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size = __default_pthread_attr.stacksize;
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lll_unlock (__default_pthread_attr_lock, LLL_PRIVATE);
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}
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*stacksize = size;
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return 0;
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}
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strong_alias (__pthread_attr_getstacksize, pthread_attr_getstacksize)
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