StarPU Internal Handbook

rwlock.h
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1/* StarPU --- Runtime system for heterogeneous multicore architectures.
2 *
3 * Copyright (C) 2008-2021 Université de Bordeaux, CNRS (LaBRI UMR 5800), Inria
4 *
5 * StarPU is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License as published by
7 * the Free Software Foundation; either version 2.1 of the License, or (at
8 * your option) any later version.
9 *
10 * StarPU is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 *
14 * See the GNU Lesser General Public License in COPYING.LGPL for more details.
15 */
16
17#ifndef __RWLOCKS_H__
18#define __RWLOCKS_H__
19
20#include <stdint.h>
21#include <starpu.h>
22
26 struct _starpu_rw_lock
27{
28 uint32_t busy;
29 uint8_t writer;
30 uint16_t readercnt;
31};
32
34 void _starpu_init_rw_lock(struct _starpu_rw_lock *lock);
35
37 void _starpu_take_rw_lock_write(struct _starpu_rw_lock *lock);
38
40 void _starpu_take_rw_lock_read(struct _starpu_rw_lock *lock);
41
44 int _starpu_take_rw_lock_write_try(struct _starpu_rw_lock *lock);
45
48 int _starpu_take_rw_lock_read_try(struct _starpu_rw_lock *lock);
49
51 void _starpu_release_rw_lock(struct _starpu_rw_lock *lock);
52
53#endif
_starpu_take_rw_lock_read
void _starpu_take_rw_lock_read(struct _starpu_rw_lock *lock)
_starpu_take_rw_lock_read_try
int _starpu_take_rw_lock_read_try(struct _starpu_rw_lock *lock)
_starpu_release_rw_lock
void _starpu_release_rw_lock(struct _starpu_rw_lock *lock)
_starpu_init_rw_lock
void _starpu_init_rw_lock(struct _starpu_rw_lock *lock)
_starpu_take_rw_lock_write
void _starpu_take_rw_lock_write(struct _starpu_rw_lock *lock)
_starpu_take_rw_lock_write_try
int _starpu_take_rw_lock_write_try(struct _starpu_rw_lock *lock)
_starpu_rw_lock
Definition: rwlock.h:27