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/*
* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __NVGPU_THREAD_H__
#define __NVGPU_THREAD_H__
#ifdef __KERNEL__
#include <nvgpu/linux/thread.h>
#else
#include <nvgpu_rmos/include/thread.h>
#endif
/**
* nvgpu_thread_create - Create and run a new thread.
*
* @thread - thread structure to use
* @data - data to pass to threadfn
* @threadfn - Thread function
* @name - name of the thread
*
* Create a thread and run threadfn in it. The thread stays alive as long as
* threadfn is running. As soon as threadfn returns the thread is destroyed.
*
* threadfn needs to continuously poll nvgpu_thread_should_stop() to determine
* if it should exit.
*/
int nvgpu_thread_create(struct nvgpu_thread *thread,
void *data,
int (*threadfn)(void *data), const char *name);
/**
* nvgpu_thread_stop - Destroy or request to destroy a thread
*
* @thread - thread to stop
*
* Request a thread to stop by setting nvgpu_thread_should_stop() to
* true and wait for thread to exit.
*/
void nvgpu_thread_stop(struct nvgpu_thread *thread);
/**
* nvgpu_thread_should_stop - Query if thread should stop
*
* @thread
*
* Return true if thread should exit. Can be run only in the thread's own
* context and with the thread as parameter.
*/
bool nvgpu_thread_should_stop(struct nvgpu_thread *thread);
/**
* nvgpu_thread_is_running - Query if thread is running
*
* @thread
*
* Return true if thread is started.
*/
bool nvgpu_thread_is_running(struct nvgpu_thread *thread);
#endif /* __NVGPU_THREAD_H__ */
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