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/*
* Copyright (c) 2008-2009 Apple Inc. All rights reserved.
*
* @APPLE_APACHE_LICENSE_HEADER_START@
*
* Licensed 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.
*
* @APPLE_APACHE_LICENSE_HEADER_END@
*/
#include "config/config.h"
#include <dispatch/dispatch.h>
#include <assert.h>
#include <spawn.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <mach/clock_types.h>
#include "dispatch_test.h"
extern char **environ;
int
main(int argc, char *argv[])
{
dispatch_source_t proc;
dispatch_source_t sig;
int res;
pid_t pid;
if (argc < 2) {
fprintf(stderr, "usage: harness [...]\n");
exit(1);
}
//
// Start the test in a suspended state. Will send SIGCONT once ready.
//
posix_spawnattr_t attr;
res = posix_spawnattr_init(&attr);
assert(res == 0);
res = posix_spawnattr_setflags(&attr, POSIX_SPAWN_START_SUSPENDED);
assert(res == 0);
int i;
char** newargv = calloc(argc, sizeof(void*));
for (i = 1; i < argc; ++i) {
newargv[i-1] = argv[i];
}
newargv[i-1] = NULL;
res = posix_spawnp(&pid, newargv[0], NULL, &attr, newargv, environ);
if (res) {
errno = res;
perror(newargv[0]);
exit(EXIT_FAILURE);
}
//fprintf(stderr, "pid = %d\n", pid);
assert(pid > 0);
//
// Monitor the test process exit status.
//
dispatch_queue_t main_q = dispatch_get_main_queue();
proc = dispatch_source_create(DISPATCH_SOURCE_TYPE_PROC, pid, DISPATCH_PROC_EXIT, main_q);
assert(proc);
dispatch_source_set_event_handler(proc, ^{
int status;
int res2 = waitpid(pid, &status, 0);
assert(res2 != -1);
test_long("Process exited", WEXITSTATUS(status) | WTERMSIG(status), 0);
exit(0);
});
dispatch_resume(proc);
//
// Forcibly stop currently running test after 30 second timeout.
//
uint64_t timeout = 30LL * NSEC_PER_SEC;
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, timeout), main_q, ^{
kill(pid, SIGKILL);
fprintf(stderr, "Terminating unresponsive process (%0.1lfs)\n", (double)timeout/NSEC_PER_SEC);
});
//
// Control-c forcibly stops currently running test.
//
// Ignore the default signal handler so that dispatch can handle it.
signal(SIGINT, SIG_IGN);
sig = dispatch_source_create(DISPATCH_SOURCE_TYPE_SIGNAL, SIGINT, 0, main_q);
assert(sig);
dispatch_source_set_event_handler(sig, ^{
fprintf(stderr, "Terminating process due to signal\n");
kill(pid, SIGKILL);
});
dispatch_resume(sig);
//
// Start the test.
//
kill(pid, SIGCONT);
dispatch_main();
return 0;
}
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