68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/* Copyright (C) 2005-2017 Free Software Foundation, Inc.
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Contributed by Sebastian Huber <sebastian.huber@embedded-brains.de>.
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This file is part of the GNU Offloading and Multi Processing Library
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(libgomp).
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Libgomp is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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/* This is the default implementation of the thread pool management
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for libgomp. This type is private to the library. */
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#ifndef GOMP_POOL_H
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#define GOMP_POOL_H 1
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#include "libgomp.h"
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/* Get the thread pool, allocate and initialize it on demand. */
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static inline struct gomp_thread_pool *
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gomp_get_thread_pool (struct gomp_thread *thr, unsigned nthreads)
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{
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struct gomp_thread_pool *pool = thr->thread_pool;
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if (__builtin_expect (pool == NULL, 0))
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{
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pool = gomp_malloc (sizeof (*pool));
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pool->threads = NULL;
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pool->threads_size = 0;
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pool->threads_used = 0;
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pool->last_team = NULL;
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pool->threads_busy = nthreads;
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thr->thread_pool = pool;
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pthread_setspecific (gomp_thread_destructor, thr);
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}
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return pool;
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}
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static inline void
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gomp_release_thread_pool (struct gomp_thread_pool *pool)
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{
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/* Do nothing in the default implementation. */
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}
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static inline pthread_attr_t *
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gomp_adjust_thread_attr (pthread_attr_t *attr, pthread_attr_t *mutable_attr)
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{
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/* Do nothing in the default implementation. */
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return attr;
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}
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#endif /* GOMP_POOL_H */
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