mirror of
git://nv-tegra.nvidia.com/linux-nvgpu.git
synced 2025-12-22 17:36:20 +03:00
1fb5517a96
Jira NVGPU-1691 Change-Id: I8ce8bdadf4899e2281480afa722bb7e67685f071 Signed-off-by: Shashank Singh <shashsingh@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/2003822 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/*
|
|
* Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include <pthread.h>
|
|
#include <nvgpu/rwsem.h>
|
|
|
|
void nvgpu_rwsem_init(struct nvgpu_rwsem *rwsem)
|
|
{
|
|
(void)pthread_rwlock_init(&rwsem->rw_sem, NULL);
|
|
}
|
|
|
|
/*
|
|
* Acquire.
|
|
*/
|
|
void nvgpu_rwsem_down_read(struct nvgpu_rwsem *rwsem)
|
|
{
|
|
(void)pthread_rwlock_rdlock(&rwsem->rw_sem);
|
|
}
|
|
|
|
/*
|
|
* Release.
|
|
*/
|
|
void nvgpu_rwsem_up_read(struct nvgpu_rwsem *rwsem)
|
|
{
|
|
(void)pthread_rwlock_unlock(&rwsem->rw_sem);
|
|
}
|
|
|
|
void nvgpu_rwsem_down_write(struct nvgpu_rwsem *rwsem)
|
|
{
|
|
(void)pthread_rwlock_wrlock(&rwsem->rw_sem);
|
|
}
|
|
|
|
void nvgpu_rwsem_up_write(struct nvgpu_rwsem *rwsem)
|
|
{
|
|
(void)pthread_rwlock_unlock(&rwsem->rw_sem);
|
|
}
|