void
services_die(const char *msg, int rboot)
{
ilog(L_NOTICE, "Dying: %s", msg);
cleanup_channel_modes();
cleanup_conf();
#ifdef HAVE_RUBY
cleanup_ruby();
#endif
cleanup_db();
cleanup_modules();
EVP_cleanup();
send_queued_all();
exit_client(&me, &me, "Services shutting down");
send_queued_all();
if(me.uplink != NULL)
MyFree(me.uplink->server);
cleanup_client();
cleanup_channel();
cleanup_interface();
cleanup_mqueue();
cleanup_tor();
unregister_callback(iorecv_cb);
unregister_callback(connected_cb);
unregister_callback(iosend_cb);
libio_cleanup();
exit(rboot);
}
/*
* child_fn() - Inside container
*/
int child_fn(void *arg)
{
pid_t pid, ppid;
mqd_t mqd;
char buf[5];
/* Set process id and parent pid */
pid = getpid();
ppid = getppid();
if (pid != CHILD_PID || ppid != PARENT_PID) {
tst_resm(TBROK, "cinit: pidns is not created");
cleanup_mqueue(TBROK, NO_STEP, 0);
}
/* Close the appropriate end of pipe */
close(father_to_child[1]);
/* Is parent ready to receive a message? */
read(father_to_child[0], buf, 5);
if (strcmp(buf, "f:ok")) {
tst_resm(TBROK, "cinit: parent did not send the message!");
cleanup_mqueue(TBROK, NO_STEP, 0);
}
tst_resm(TINFO, "cinit: my father is ready to receive a message");
mqd = ltp_syscall(__NR_mq_open, mqname, O_WRONLY, 0, NULL);
if (mqd == (mqd_t) - 1) {
tst_resm(TBROK, "cinit: mq_open() failed (%s)",
strerror(errno));
cleanup_mqueue(TBROK, NO_STEP, 0);
}
tst_resm(TINFO, "cinit: mq_open succeeded");
if (mq_send(mqd, MSG, strlen(MSG), MSG_PRIO) == (mqd_t) - 1) {
tst_resm(TBROK, "cinit: mq_send() failed (%s)",
strerror(errno));
cleanup_mqueue(TBROK, C_STEP_0, mqd);
}
tst_resm(TINFO, "cinit: mq_send() succeeded");
/* Cleanup and exit */
cleanup_resources(C_STEP_1, mqd);
exit(0);
}
int main(int argc, char *argv[])
{
pid_t cpid;
mqd_t mqd;
struct sigevent notif;
struct sigaction sa;
int status;
struct notify_info info;
setup();
if (pipe(father_to_child) == -1) {
tst_resm(TBROK, "parent: pipe() failed. aborting!");
cleanup_mqueue(TBROK, NO_STEP, 0);
}
ltp_syscall(__NR_mq_unlink, mqname);
mqd =
ltp_syscall(__NR_mq_open, mqname, O_RDWR | O_CREAT | O_EXCL, 0777,
NULL);
if (mqd == (mqd_t) - 1) {
tst_resm(TBROK, "parent: mq_open() failed (%s)",
strerror(errno));
cleanup_mqueue(TBROK, F_STEP_0, 0);
}
tst_resm(TINFO, "parent: successfully created posix mqueue");
/* container creation on PID namespace */
cpid = ltp_clone_quick(CLONE_NEWPID | SIGCHLD, child_fn, NULL);
if (cpid < 0) {
tst_resm(TBROK, "parent: clone() failed(%s)", strerror(errno));
cleanup_mqueue(TBROK, F_STEP_1, mqd);
}
tst_resm(TINFO, "parent: successfully created child (pid = %d)", cpid);
/* Register for notification on message arrival */
notif.sigev_notify = SIGEV_SIGNAL;
notif.sigev_signo = SIGUSR1;
info.mqd = mqd;
info.pid = cpid;
notif.sigev_value.sival_ptr = &info;
if (ltp_syscall(__NR_mq_notify, mqd, ¬if) == (mqd_t) -1) {
tst_resm(TBROK, "parent: mq_notify() failed (%s)",
strerror(errno));
cleanup_mqueue(TBROK, F_STEP_1, mqd);
}
tst_resm(TINFO, "parent: successfully registered for notification");
/* Define handler for SIGUSR1 */
sa.sa_flags = SA_SIGINFO;
sigemptyset(&sa.sa_mask);
sa.sa_sigaction = father_signal_handler;
if (sigaction(SIGUSR1, &sa, NULL) == -1) {
tst_resm(TBROK, "parent: sigaction() failed(%s)",
strerror(errno));
cleanup_mqueue(TBROK, F_STEP_2, mqd);
}
tst_resm(TINFO, "parent: successfully registered handler for SIGUSR1");
/* Close the appropriate end of pipe */
close(father_to_child[0]);
/* Tell the child a message can be sent */
if (write(father_to_child[1], "f:ok", 5) != 5) {
tst_resm(TBROK, "parent: pipe is broken(%s)", strerror(errno));
cleanup_mqueue(TBROK, F_STEP_2, mqd);
}
sleep(3);
/* Wait for child to finish */
if (wait(&status) == -1) {
tst_resm(TBROK, "parent: wait() failed(%s)", strerror(errno));
cleanup_mqueue(TBROK, F_STEP_1, mqd);
}
cleanup_mqueue(result, F_STEP_3, mqd);
tst_exit();
}