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tests/cpp/engine/omp_test.cc
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mozga
[master][clang-format] Re-format cc. .h. .cu files; cond. (#20704)
19 ноя 2021, 11:27
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19 ноя 2021, 11:27
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/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ #include <gtest/gtest.h> #include "../include/test_util.h" #include "../../src/engine/openmp.h" #if defined(unix) || defined(__unix__) || defined(__unix) #include <unistd.h> #include <sys/types.h> #include <sys/wait.h> #include <dmlc/logging.h> TEST(OMPBehaviour, after_fork) { /* * Check that after fork, OMP is disabled, and the recommended thread count is 1 to prevent * process fanout. */ using namespace mxnet::engine; auto openmp = OpenMP::Get(); pid_t pid = fork(); if (pid == 0) { EXPECT_FALSE(openmp->enabled()); EXPECT_EQ(openmp->GetRecommendedOMPThreadCount(), 1); } else if (pid > 0) { int status; int ret = waitpid(pid, &status, 0); CHECK_EQ(ret, pid) << "waitpid failed"; } else { CHECK(false) << "fork failed"; } } #endif