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