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65 lines
2.5 KiB
65 lines
2.5 KiB
4 months ago
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/*
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* Copyright (C) 2019 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "spawn_benchmark.h"
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#include <errno.h>
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#include <spawn.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <android-base/stringprintf.h>
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extern char** environ;
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void BM_spawn_test(benchmark::State& state, const char* const* argv) {
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for (auto _ : state) {
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pid_t child = 0;
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if (int spawn_err = posix_spawn(&child, argv[0], nullptr, nullptr, const_cast<char**>(argv),
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environ)) {
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state.SkipWithError(android::base::StringPrintf(
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"posix_spawn of %s failed: %s", argv[0], strerror(spawn_err)).c_str());
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break;
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}
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int wstatus = 0;
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const pid_t wait_result = TEMP_FAILURE_RETRY(waitpid(child, &wstatus, 0));
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if (wait_result != child) {
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state.SkipWithError(android::base::StringPrintf(
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"waitpid on pid %d for %s failed: %s",
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static_cast<int>(child), argv[0], strerror(errno)).c_str());
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break;
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}
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if (WIFEXITED(wstatus) && WEXITSTATUS(wstatus) == 127) {
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state.SkipWithError(android::base::StringPrintf("could not exec %s", argv[0]).c_str());
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break;
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}
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}
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}
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