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gpu: nvgpu: Add query nvgpu_thread_is_running

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Add query nvgpu_thread_is_running(). It returns true if thread has
already been started.

JIRA NVGPU-14

Change-Id: If3bed6f9ffe181703134ae1b92b0b275db364195
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1480257
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Terje Bergstrom
2017-05-11 13:51:10 -07:00
committed by mobile promotions
parent b03afb6d5c
commit a7e6a8cf51
2 changed files with 15 additions and 0 deletions
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6
drivers/gpu/nvgpu/common/linux/thread.c
View File

@@ -34,9 +34,15 @@ int nvgpu_thread_create(struct nvgpu_thread *thread,
void nvgpu_thread_stop(struct nvgpu_thread *thread) void nvgpu_thread_stop(struct nvgpu_thread *thread)
{ {
kthread_stop(thread->task); kthread_stop(thread->task);
thread->task = NULL;
}; };
bool nvgpu_thread_should_stop(struct nvgpu_thread *thread) bool nvgpu_thread_should_stop(struct nvgpu_thread *thread)
{ {
return kthread_should_stop(); return kthread_should_stop();
}; };
bool nvgpu_thread_is_running(struct nvgpu_thread *thread)
{
return thread->task != NULL;
};

9
drivers/gpu/nvgpu/include/nvgpu/thread.h
View File

@@ -59,4 +59,13 @@ void nvgpu_thread_stop(struct nvgpu_thread *thread);
*/ */
bool nvgpu_thread_should_stop(struct nvgpu_thread *thread); 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__ */ #endif /* __NVGPU_THREAD_H__ */