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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
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/*
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* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/kthread.h>
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#include <nvgpu/thread.h>
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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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struct task_struct *task = kthread_create(threadfn, data, name);
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if (IS_ERR(task))
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return PTR_ERR(task);
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thread->task = task;
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wake_up_process(task);
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return 0;
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};
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void nvgpu_thread_stop(struct nvgpu_thread *thread)
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{
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kthread_stop(thread->task);
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thread->task = NULL;
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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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return kthread_should_stop();
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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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return thread->task != NULL;
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};
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