int main(int argc, char **argv)
{
int status;
wrapper_argc = argc;
wrapper_argv = argv;
--argc; ++argv;
init(argc, argv);
struct sigaction sa;
memset(&sa, 0, sizeof(struct sigaction));
sa.sa_handler = &signal_handler;
sigaction(SIGUSR2, &sa, NULL);
sigaction(SIGHUP, &sa, NULL);
sigaction(SIGINT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
if (getenv(REEXEC_FLAG) != NULL) {
/* We are being re-executed: restart HAProxy gracefully */
int i;
char **pid_strv = NULL;
int nb_pid = read_pids(&pid_strv);
unsetenv(REEXEC_FLAG);
spawn_haproxy(pid_strv, nb_pid);
for (i = 0; i < nb_pid; ++i)
free(pid_strv[i]);
free(pid_strv);
}
else {
/* Start a fresh copy of HAProxy */
spawn_haproxy(NULL, 0);
}
status = -1;
while (caught_signal || wait(&status) != -1 || errno == EINTR) {
int sig = caught_signal;
if (caught_signal == SIGUSR2 || caught_signal == SIGHUP) {
caught_signal = 0;
do_restart(sig);
}
else if (caught_signal == SIGINT || caught_signal == SIGTERM) {
caught_signal = 0;
do_shutdown(sig);
}
}
fprintf(stderr, SD_NOTICE "haproxy-systemd-wrapper: exit, haproxy RC=%d\n",
status);
return status;
}
int main(int argc, char **argv)
{
int status;
wrapper_argc = argc;
wrapper_argv = argv;
--argc; ++argv;
init(argc, argv);
signal(SIGINT, &sigint_handler);
signal(SIGHUP, &sighup_handler);
if (getenv(REEXEC_FLAG) != NULL) {
/* We are being re-executed: restart HAProxy gracefully */
int i;
char **pid_strv = NULL;
int nb_pid = read_pids(&pid_strv);
sigset_t sigs;
unsetenv(REEXEC_FLAG);
spawn_haproxy(pid_strv, nb_pid);
/* Unblock SIGHUP which was blocked by the signal handler
* before re-exec */
sigprocmask(SIG_BLOCK, NULL, &sigs);
sigdelset(&sigs, SIGHUP);
sigprocmask(SIG_SETMASK, &sigs, NULL);
for (i = 0; i < nb_pid; ++i)
free(pid_strv[i]);
free(pid_strv);
}
else {
/* Start a fresh copy of HAProxy */
spawn_haproxy(NULL, 0);
}
status = -1;
while (-1 != wait(&status) || errno == EINTR)
;
fprintf(stderr, SD_NOTICE "haproxy-smf-wrapper: exit, haproxy RC=%d\n",
status);
return status;
}
static void signal_handler(int signum __attribute__((unused)))
{
int i;
char **pid_strv = NULL;
int nb_pid = read_pids(&pid_strv);
spawn_haproxy(pid_strv, nb_pid);
for (i = 0; i < nb_pid; ++i)
free(pid_strv[i]);
free(pid_strv);
}
int main(int argc, char **argv)
{
--argc; ++argv;
main_argc = argc;
main_argv = argv;
init(argc, argv);
signal(SIGUSR2, &signal_handler);
spawn_haproxy(NULL, 0);
while (-1 != wait(NULL) || errno == EINTR);
return EXIT_SUCCESS;
}