1 /*
2 * Copyright (C) 2019 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include "spawn_benchmark.h"
30
31 #include <errno.h>
32 #include <spawn.h>
33 #include <string.h>
34 #include <sys/types.h>
35 #include <sys/wait.h>
36
37 #include <android-base/stringprintf.h>
38
39 extern char** environ;
40
BM_spawn_test(benchmark::State & state,const char * const * argv)41 void BM_spawn_test(benchmark::State& state, const char* const* argv) {
42 for (auto _ : state) {
43 pid_t child = 0;
44 if (int spawn_err = posix_spawn(&child, argv[0], nullptr, nullptr, const_cast<char**>(argv),
45 environ)) {
46 state.SkipWithError(android::base::StringPrintf(
47 "posix_spawn of %s failed: %s", argv[0], strerror(spawn_err)).c_str());
48 break;
49 }
50
51 int wstatus = 0;
52 const pid_t wait_result = TEMP_FAILURE_RETRY(waitpid(child, &wstatus, 0));
53 if (wait_result != child) {
54 state.SkipWithError(android::base::StringPrintf(
55 "waitpid on pid %d for %s failed: %s",
56 static_cast<int>(child), argv[0], strerror(errno)).c_str());
57 break;
58 }
59 if (WIFEXITED(wstatus) && WEXITSTATUS(wstatus) == 127) {
60 state.SkipWithError(android::base::StringPrintf("could not exec %s", argv[0]).c_str());
61 break;
62 }
63 }
64 }
65