pool.h revision 1.1.1.2
1 1.1.1.2 mrg /* Copyright (C) 2005-2017 Free Software Foundation, Inc. 2 1.1 mrg Contributed by Sebastian Huber <sebastian.huber (at) embedded-brains.de>. 3 1.1 mrg 4 1.1 mrg This file is part of the GNU Offloading and Multi Processing Library 5 1.1 mrg (libgomp). 6 1.1 mrg 7 1.1 mrg Libgomp is free software; you can redistribute it and/or modify it 8 1.1 mrg under the terms of the GNU General Public License as published by 9 1.1 mrg the Free Software Foundation; either version 3, or (at your option) 10 1.1 mrg any later version. 11 1.1 mrg 12 1.1 mrg Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY 13 1.1 mrg WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 14 1.1 mrg FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15 1.1 mrg more details. 16 1.1 mrg 17 1.1 mrg Under Section 7 of GPL version 3, you are granted additional 18 1.1 mrg permissions described in the GCC Runtime Library Exception, version 19 1.1 mrg 3.1, as published by the Free Software Foundation. 20 1.1 mrg 21 1.1 mrg You should have received a copy of the GNU General Public License and 22 1.1 mrg a copy of the GCC Runtime Library Exception along with this program; 23 1.1 mrg see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 24 1.1 mrg <http://www.gnu.org/licenses/>. */ 25 1.1 mrg 26 1.1 mrg /* This is the default implementation of the thread pool management 27 1.1 mrg for libgomp. This type is private to the library. */ 28 1.1 mrg 29 1.1 mrg #ifndef GOMP_POOL_H 30 1.1 mrg #define GOMP_POOL_H 1 31 1.1 mrg 32 1.1 mrg #include "libgomp.h" 33 1.1 mrg 34 1.1 mrg /* Get the thread pool, allocate and initialize it on demand. */ 35 1.1 mrg 36 1.1 mrg static inline struct gomp_thread_pool * 37 1.1 mrg gomp_get_thread_pool (struct gomp_thread *thr, unsigned nthreads) 38 1.1 mrg { 39 1.1 mrg struct gomp_thread_pool *pool = thr->thread_pool; 40 1.1 mrg if (__builtin_expect (pool == NULL, 0)) 41 1.1 mrg { 42 1.1 mrg pool = gomp_malloc (sizeof (*pool)); 43 1.1 mrg pool->threads = NULL; 44 1.1 mrg pool->threads_size = 0; 45 1.1 mrg pool->threads_used = 0; 46 1.1 mrg pool->last_team = NULL; 47 1.1 mrg pool->threads_busy = nthreads; 48 1.1 mrg thr->thread_pool = pool; 49 1.1 mrg pthread_setspecific (gomp_thread_destructor, thr); 50 1.1 mrg } 51 1.1 mrg return pool; 52 1.1 mrg } 53 1.1 mrg 54 1.1 mrg static inline void 55 1.1 mrg gomp_release_thread_pool (struct gomp_thread_pool *pool) 56 1.1 mrg { 57 1.1 mrg /* Do nothing in the default implementation. */ 58 1.1 mrg } 59 1.1 mrg 60 1.1 mrg static inline pthread_attr_t * 61 1.1 mrg gomp_adjust_thread_attr (pthread_attr_t *attr, pthread_attr_t *mutable_attr) 62 1.1 mrg { 63 1.1 mrg /* Do nothing in the default implementation. */ 64 1.1 mrg return attr; 65 1.1 mrg } 66 1.1 mrg 67 1.1 mrg #endif /* GOMP_POOL_H */ 68
Indexes created Fri Mar 06 19:51:54 UTC 2026