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MISRA Rule-17.7 requires the return value of all functions to be used. Fix is either to use the return value or change the function to return void. This patch changes nvgpu_cond_signal and nvgpu_cond_signal_interruptible to return void since no callers were using the return value. JIRA NVGPU-677 Change-Id: I406309bde247e7ca656c91be1ea5ab742b0a045a Signed-off-by: Nicolas Benech <nbenech@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/2007563 Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com> Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Alex Waterman <alexw@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
/*
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* Copyright (c) 2018, 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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#include <nvgpu/cond.h>
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#include <nvgpu/posix/cond.h>
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int nvgpu_cond_init(struct nvgpu_cond *cond)
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{
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int ret;
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ret = nvgpu_mutex_init(&cond->mutex);
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if (ret != 0) {
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return ret;
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}
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ret = pthread_cond_init(&cond->cond, NULL);
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if (ret != 0) {
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nvgpu_mutex_destroy(&cond->mutex);
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return ret;
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}
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cond->initialized = true;
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return ret;
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}
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void nvgpu_cond_signal(struct nvgpu_cond *cond)
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{
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if (cond == NULL || !cond->initialized) {
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BUG();
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}
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nvgpu_mutex_acquire(&cond->mutex);
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(void) pthread_cond_signal(&cond->cond);
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nvgpu_mutex_release(&cond->mutex);
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}
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void nvgpu_cond_signal_interruptible(struct nvgpu_cond *cond)
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{
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if (cond == NULL || !cond->initialized) {
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BUG();
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}
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nvgpu_mutex_acquire(&cond->mutex);
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(void) pthread_cond_signal(&cond->cond);
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nvgpu_mutex_release(&cond->mutex);
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}
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int nvgpu_cond_broadcast(struct nvgpu_cond *cond)
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{
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int ret;
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if (cond == NULL || !cond->initialized) {
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BUG();
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}
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nvgpu_mutex_acquire(&cond->mutex);
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ret = pthread_cond_broadcast(&cond->cond);
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nvgpu_mutex_release(&cond->mutex);
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return ret;
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}
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int nvgpu_cond_broadcast_interruptible(struct nvgpu_cond *cond)
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{
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int ret;
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if (cond == NULL || !cond->initialized) {
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BUG();
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}
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nvgpu_mutex_acquire(&cond->mutex);
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ret = pthread_cond_broadcast(&cond->cond);
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nvgpu_mutex_release(&cond->mutex);
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return ret;
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}
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void nvgpu_cond_destroy(struct nvgpu_cond *cond)
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{
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if (cond == NULL || !cond->initialized) {
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BUG();
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}
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nvgpu_mutex_destroy(&cond->mutex);
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pthread_cond_destroy(&cond->cond);
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cond->initialized = false;
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return;
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}
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