/* Copyright 2018 The TensorFlow Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#include "tensorflow/core/util/exec_on_stall.h"
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#include "tensorflow/core/platform/macros.h"
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#include "tensorflow/core/platform/mutex.h"
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#include "tensorflow/core/platform/test.h"
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namespace tensorflow {
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namespace {
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struct Chunk {
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std::unique_ptr<ExecuteOnStall> stall_closure;
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};
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Chunk* NewChunk(int stall_seconds, std::function<void()> f) {
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Chunk* c = new Chunk;
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c->stall_closure.reset(new ExecuteOnStall(stall_seconds, std::move(f)));
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return c;
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}
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TEST(ExecuteOnStallTest, BothWays) {
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mutex mu;
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bool a_triggered(false);
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bool b_triggered(false);
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Chunk* a = NewChunk(1, [&mu, &a_triggered]() {
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mutex_lock l(mu);
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a_triggered = true;
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});
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Chunk* b = NewChunk(1, [&mu, &b_triggered]() {
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mutex_lock l(mu);
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b_triggered = true;
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});
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delete a;
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Env::Default()->SleepForMicroseconds(2000000);
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{
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mutex_lock l(mu);
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EXPECT_FALSE(a_triggered);
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EXPECT_TRUE(b_triggered);
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}
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delete b;
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}
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} // namespace
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} // namespace tensorflow
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