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d78a362a2f
Unify posix thread unit with qnx. Also, modify the thread structure and thread create function as part of unification with qnx. Jira NVGPU-2152 Change-Id: Ifc0127dd9a4ff5212ae130e0d6dbe640d7d67377 Signed-off-by: ajesh <akv@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/2029783 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
104 lines
3.1 KiB
C
104 lines
3.1 KiB
C
/*
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* Copyright (c) 2017-2019, 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_THREAD_H
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#define NVGPU_THREAD_H
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#ifdef __KERNEL__
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#include <nvgpu/linux/thread.h>
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#else
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#include <nvgpu/posix/thread.h>
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#endif
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#include <nvgpu/types.h>
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/**
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* nvgpu_thread_create - Create and run a new thread.
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*
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* @thread - thread structure to use
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* @data - data to pass to threadfn
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* @threadfn - Thread function
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* @name - name of the thread
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*
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* Create a thread and run threadfn in it. The thread stays alive as long as
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* threadfn is running. As soon as threadfn returns the thread is destroyed.
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*
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* threadfn needs to continuously poll nvgpu_thread_should_stop() to determine
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* if it should exit.
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*/
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int nvgpu_thread_create(struct nvgpu_thread *thread,
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void *data,
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int (*threadfn)(void *data), const char *name);
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/**
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* nvgpu_thread_stop - Destroy or request to destroy a thread
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*
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* @thread - thread to stop
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*
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* Request a thread to stop by setting nvgpu_thread_should_stop() to
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* true and wait for thread to exit.
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*/
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void nvgpu_thread_stop(struct nvgpu_thread *thread);
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/**
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* nvgpu_thread_stop_graceful - Request a thread to be destroyed gracefully.
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*
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* @thread - thread to stop
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* @cb - callback function to trigger graceful exit
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* @data - thread data
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*
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* Request a thread to stop by setting nvgpu_thread_should_stop() to
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* true and wait for thread to exit.
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*/
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void nvgpu_thread_stop_graceful(struct nvgpu_thread *thread,
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void (*thread_stop_fn)(void *data), void *data);
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/**
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* nvgpu_thread_should_stop - Query if thread should stop
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*
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* @thread
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*
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* Return true if thread should exit. Can be run only in the thread's own
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* context and with the thread as parameter.
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*/
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bool nvgpu_thread_should_stop(struct nvgpu_thread *thread);
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/**
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* nvgpu_thread_is_running - Query if thread is running
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*
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* @thread
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*
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* Return true if thread is started.
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*/
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bool nvgpu_thread_is_running(struct nvgpu_thread *thread);
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/**
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* nvgpu_thread_join - join a thread to reclaim resources
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* after it has exited
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*
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* @thread - thread to join
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*
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*/
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void nvgpu_thread_join(struct nvgpu_thread *thread);
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#endif /* NVGPU_THREAD_H */
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