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/* Copyright (C) 2005-2022 Free Software Foundation, Inc.
Contributed by Sebastian Huber <>.
This file is part of the GNU Offloading and Multi Processing Library
Libgomp is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<>. */
/* This is the default implementation of the thread pool management
for libgomp. This type is private to the library. */
#ifndef GOMP_POOL_H
#define GOMP_POOL_H 1
#include "libgomp.h"
/* Get the thread pool, allocate and initialize it on demand. */
static inline struct gomp_thread_pool *
gomp_get_thread_pool (struct gomp_thread *thr, unsigned nthreads)
struct gomp_thread_pool *pool = thr->thread_pool;
if (__builtin_expect (pool == NULL, 0))
pool = gomp_malloc (sizeof (*pool));
pool->threads = NULL;
pool->threads_size = 0;
pool->threads_used = 0;
pool->last_team = NULL;
pool->threads_busy = nthreads;
thr->thread_pool = pool;
pthread_setspecific (gomp_thread_destructor, thr);
return pool;
static inline void
gomp_release_thread_pool (struct gomp_thread_pool *pool)
/* Do nothing in the default implementation. */
static inline pthread_attr_t *
gomp_adjust_thread_attr (pthread_attr_t *attr, pthread_attr_t *mutable_attr)
/* Do nothing in the default implementation. */
return attr;
#endif /* GOMP_POOL_H */