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1547008dac
- Unify posix lock unit with qnx. Also, fix nvgpu_mutex_trylock return value. The Linux version expects 1 for success and 0 for failure whereas posix implementation return 0 for success and negative value for failure. Jira NVGPU-1693 Change-Id: I783fb6a82149c096bad17a03e81788bc6b6e1e8c Signed-off-by: Shashank Singh <shashsingh@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/2003733 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
74 lines
2.6 KiB
C
74 lines
2.6 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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#ifndef NVGPU_LOCK_H
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#define NVGPU_LOCK_H
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#ifdef __KERNEL__
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#include <nvgpu/linux/lock.h>
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#else
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#include <nvgpu/posix/lock.h>
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#endif
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/*
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* struct nvgpu_mutex
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*
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* Should be implemented per-OS in a separate library
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* But implementation should adhere to mutex implementation
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* as specified in Linux Documentation
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*/
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struct nvgpu_mutex;
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/*
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* struct nvgpu_spinlock
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*
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* Should be implemented per-OS in a separate library
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* But implementation should adhere to spinlock implementation
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* as specified in Linux Documentation
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*/
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struct nvgpu_spinlock;
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/*
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* struct nvgpu_raw_spinlock
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*
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* Should be implemented per-OS in a separate library
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* But implementation should adhere to raw_spinlock implementation
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* as specified in Linux Documentation
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*/
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struct nvgpu_raw_spinlock;
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int nvgpu_mutex_init(struct nvgpu_mutex *mutex);
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void nvgpu_mutex_acquire(struct nvgpu_mutex *mutex);
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void nvgpu_mutex_release(struct nvgpu_mutex *mutex);
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int nvgpu_mutex_tryacquire(struct nvgpu_mutex *mutex);
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void nvgpu_mutex_destroy(struct nvgpu_mutex *mutex);
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void nvgpu_spinlock_init(struct nvgpu_spinlock *spinlock);
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void nvgpu_spinlock_acquire(struct nvgpu_spinlock *spinlock);
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void nvgpu_spinlock_release(struct nvgpu_spinlock *spinlock);
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void nvgpu_raw_spinlock_init(struct nvgpu_raw_spinlock *spinlock);
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void nvgpu_raw_spinlock_acquire(struct nvgpu_raw_spinlock *spinlock);
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void nvgpu_raw_spinlock_release(struct nvgpu_raw_spinlock *spinlock);
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#endif /* NVGPU_LOCK_H */
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