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git://nv-tegra.nvidia.com/linux-nvgpu.git
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97762279b7
Make the nvgpu_init_mutex function return void. In linux case, this doesn't affect anything since mutex_init returns void. For posix, we assert() and die if pthread_mutex_init fails. This alleviates the need to error inject for _every_ nvgpu_mutex_init function in the driver. Jira NVGPU-3476 Change-Id: Ibc801116dc82cdfcedcba2c352785f2640b7d54f Signed-off-by: Thomas Fleury <tfleury@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/2130538 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
/*
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* Copyright (c) 2018-2019, NVIDIA CORPORATION. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <nvgpu/bug.h>
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#include <nvgpu/lock.h>
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void nvgpu_mutex_init(struct nvgpu_mutex *mutex)
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{
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int err = pthread_mutex_init(&mutex->lock.mutex, NULL);
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nvgpu_assert(err == 0);
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}
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void nvgpu_mutex_acquire(struct nvgpu_mutex *mutex)
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{
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nvgpu_posix_lock_acquire(&mutex->lock);
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}
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void nvgpu_mutex_release(struct nvgpu_mutex *mutex)
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{
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nvgpu_posix_lock_release(&mutex->lock);
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}
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int nvgpu_mutex_tryacquire(struct nvgpu_mutex *mutex)
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{
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return ((nvgpu_posix_lock_try_acquire(&mutex->lock) == 0) ? 1 : 0);
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}
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void nvgpu_mutex_destroy(struct nvgpu_mutex *mutex)
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{
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(void) pthread_mutex_destroy(&mutex->lock.mutex);
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}
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void nvgpu_spinlock_init(struct nvgpu_spinlock *spinlock)
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{
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(void) pthread_mutex_init(&spinlock->lock.mutex, NULL);
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}
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void nvgpu_spinlock_acquire(struct nvgpu_spinlock *spinlock)
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{
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nvgpu_posix_lock_acquire(&spinlock->lock);
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}
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void nvgpu_spinlock_release(struct nvgpu_spinlock *spinlock)
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{
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nvgpu_posix_lock_release(&spinlock->lock);
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}
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void nvgpu_raw_spinlock_init(struct nvgpu_raw_spinlock *spinlock)
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{
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(void) pthread_mutex_init(&spinlock->lock.mutex, NULL);
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}
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void nvgpu_raw_spinlock_acquire(struct nvgpu_raw_spinlock *spinlock)
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{
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nvgpu_posix_lock_acquire(&spinlock->lock);
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}
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void nvgpu_raw_spinlock_release(struct nvgpu_raw_spinlock *spinlock)
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{
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nvgpu_posix_lock_release(&spinlock->lock);
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}
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