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99dee823 | 1 | /* Copyright (C) 2005-2021 Free Software Foundation, Inc. |
66c59f92 SH |
2 | Contributed by Sebastian Huber <sebastian.huber@embedded-brains.de>. |
3 | ||
4 | This file is part of the GNU Offloading and Multi Processing Library | |
5 | (libgomp). | |
6 | ||
7 | Libgomp is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3, or (at your option) | |
10 | any later version. | |
11 | ||
12 | Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY | |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
14 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
15 | more details. | |
16 | ||
17 | Under Section 7 of GPL version 3, you are granted additional | |
18 | permissions described in the GCC Runtime Library Exception, version | |
19 | 3.1, as published by the Free Software Foundation. | |
20 | ||
21 | You should have received a copy of the GNU General Public License and | |
22 | a copy of the GCC Runtime Library Exception along with this program; | |
23 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
24 | <http://www.gnu.org/licenses/>. */ | |
25 | ||
26 | /* This is the default implementation of the thread pool management | |
27 | for libgomp. This type is private to the library. */ | |
28 | ||
29 | #ifndef GOMP_POOL_H | |
30 | #define GOMP_POOL_H 1 | |
31 | ||
32 | #include "libgomp.h" | |
33 | ||
34 | /* Get the thread pool, allocate and initialize it on demand. */ | |
35 | ||
36 | static inline struct gomp_thread_pool * | |
37 | gomp_get_thread_pool (struct gomp_thread *thr, unsigned nthreads) | |
38 | { | |
39 | struct gomp_thread_pool *pool = thr->thread_pool; | |
40 | if (__builtin_expect (pool == NULL, 0)) | |
41 | { | |
42 | pool = gomp_malloc (sizeof (*pool)); | |
43 | pool->threads = NULL; | |
44 | pool->threads_size = 0; | |
45 | pool->threads_used = 0; | |
46 | pool->last_team = NULL; | |
47 | pool->threads_busy = nthreads; | |
48 | thr->thread_pool = pool; | |
49 | pthread_setspecific (gomp_thread_destructor, thr); | |
50 | } | |
51 | return pool; | |
52 | } | |
53 | ||
54 | static inline void | |
55 | gomp_release_thread_pool (struct gomp_thread_pool *pool) | |
56 | { | |
57 | /* Do nothing in the default implementation. */ | |
58 | } | |
59 | ||
06441dd5 SH |
60 | static inline pthread_attr_t * |
61 | gomp_adjust_thread_attr (pthread_attr_t *attr, pthread_attr_t *mutable_attr) | |
62 | { | |
63 | /* Do nothing in the default implementation. */ | |
64 | return attr; | |
65 | } | |
66 | ||
66c59f92 | 67 | #endif /* GOMP_POOL_H */ |