Files
linux-nvgpu/drivers/gpu/nvgpu/common/linux/thread.c
Terje Bergstrom a7e6a8cf51 gpu: nvgpu: Add query nvgpu_thread_is_running
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
2017-05-24 04:55:36 -07:00

49 lines
1.3 KiB
C

/*
* 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/>.
*/
#include <linux/kthread.h>
#include <nvgpu/thread.h>
int nvgpu_thread_create(struct nvgpu_thread *thread,
void *data,
int (*threadfn)(void *data), const char *name)
{
struct task_struct *task = kthread_create(threadfn, data, name);
if (IS_ERR(task))
return PTR_ERR(task);
thread->task = task;
wake_up_process(task);
return 0;
};
void nvgpu_thread_stop(struct nvgpu_thread *thread)
{
kthread_stop(thread->task);
thread->task = NULL;
};
bool nvgpu_thread_should_stop(struct nvgpu_thread *thread)
{
return kthread_should_stop();
};
bool nvgpu_thread_is_running(struct nvgpu_thread *thread)
{
return thread->task != NULL;
};