Initial commit: FunASR Speech Recognition Toolkit
Update API Documentation / build-api-docs (push) Has been cancelled
Update API Documentation / build-api-docs (push) Has been cancelled
Add complete FunASR codebase including models, runtime, and documentation.
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// util/kaldi-semaphore.cc
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// Copyright 2012 Karel Vesely (Brno University of Technology)
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// 2017 Dogan Can (University of Southern California)
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// See ../../COPYING for clarification regarding multiple authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
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// WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
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// MERCHANTABLITY OR NON-INFRINGEMENT.
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// See the Apache 2 License for the specific language governing permissions and
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// limitations under the License.
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#include "base/kaldi-error.h"
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#include "util/kaldi-semaphore.h"
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namespace kaldi {
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Semaphore::Semaphore(int32 count) {
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KALDI_ASSERT(count >= 0);
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count_ = count;
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}
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Semaphore::~Semaphore() {}
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bool Semaphore::TryWait() {
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std::unique_lock<std::mutex> lock(mutex_);
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if(count_) {
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count_--;
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return true;
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}
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return false;
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}
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void Semaphore::Wait() {
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std::unique_lock<std::mutex> lock(mutex_);
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while(!count_)
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condition_variable_.wait(lock);
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count_--;
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}
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void Semaphore::Signal() {
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std::unique_lock<std::mutex> lock(mutex_);
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count_++;
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condition_variable_.notify_one();
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}
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} // namespace kaldi
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