void Crutch::init() {
char filename[64];
strcpy(filename, "/tmp/hphp_crutch_XXXXXX");
int fd = mkstemp(filename);
if (!fd) {
throw FatalErrorException("unable to create a temporary file for crutch");
}
close(fd);
m_queue = f_msg_get_queue(f_ftok(filename, "a"));
if (m_queue.get() == NULL) {
throw FatalErrorException("unable to create a message queue for crutch");
}
int pid = fork();
if (pid == 0) {
const char *argv[] = {"/usr/local/bin/hphp/crutch.php", filename, NULL};
execvp(argv[0], const_cast<char**>(argv));
_exit(-1); // something wrong
}
m_php = pid;
Variant type, ret;
if (!f_msg_receive(m_queue, 2, ref(type), MSG_MAX_SIZE, ref(ret)) ||
!same(ret, "CRUTCH")) {
terminate();
throw FatalErrorException("unable to hear startup signal from crutch");
}
}
bool TestExtIpc::test_message_queue() {
char filename[64];
strcpy(filename, "/tmp/XXXXXX");
close(mkstemp(filename));
int64 token = f_ftok(filename, "a");
Object queue = f_msg_get_queue(token);
VERIFY(queue.get());
int pid = fork();
if (pid == 0) {
Object q = f_msg_get_queue(token);
assert(q.get());
assert(f_msg_send(q, 2, "start"));
Variant type, msg;
assert(f_msg_receive(q, 1, ref(type), 100, ref(msg)));
assert(f_msg_send(q, 2, msg)); // echo
_exit(-1);
}
Variant type, msg;
VERIFY(f_msg_receive(queue, 2, ref(type), 100, ref(msg)));
VERIFY(same(msg, "start"));
VERIFY(f_msg_send(queue, 1, "ok"));
VERIFY(f_msg_receive(queue, 2, ref(type), 100, ref(msg)));
VERIFY(same(msg, "ok"));
Array ret = f_msg_stat_queue(queue);
VS(ret["msg_qnum"], 0);
f_msg_set_queue(queue, CREATE_MAP1("msg_perm.mode", 0666));
f_msg_remove_queue(queue);
int status = -1;
wait(&status);
return Count(true);
}