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[core] consistent behavior w/ and w/o SA_SIGINFO 

and consistent open of server.pid-file
This commit is contained in:
Glenn Strauss 2017-07-23 18:54:57 -04:00
parent 7bda136e5f
commit 42ab331dc9
1 changed files with 21 additions and 2 deletions
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23
src/server.c
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@ -154,6 +154,12 @@ static void sigaction_handler(int sig, siginfo_t *si, void *context) {
static void signal_handler(int sig) {
switch (sig) {
case SIGTERM: srv_shutdown = 1; break;
case SIGUSR1:
if (!graceful_shutdown) {
graceful_restart = 1;
graceful_shutdown = 1;
}
break;
case SIGINT:
if (graceful_shutdown) {
if (2 == graceful_restart)
@ -165,7 +171,20 @@ static void signal_handler(int sig) {
}
break;
case SIGALRM: handle_sig_alarm = 1; break;
case SIGHUP: handle_sig_hup = 1; break;
case SIGHUP:
/**
* we send the SIGHUP to all procs in the process-group
* this includes ourself
*
* make sure we only send it once and don't create a
* infinite loop
*/
if (!forwarded_sig_hup) {
handle_sig_hup = 1;
} else {
forwarded_sig_hup = 0;
}
break;
case SIGCHLD: break;
}
}
@ -1239,7 +1258,7 @@ static int server_main (server * const srv, int argc, char **argv) {
return -1;
}
if (-1 == (pid_fd = open(srv->srvconf.pid_file->ptr, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH))) {
if (-1 == (pid_fd = fdevent_open_cloexec(srv->srvconf.pid_file->ptr, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH))) {
log_error_write(srv, __FILE__, __LINE__, "sbs",
"opening pid-file failed:", srv->srvconf.pid_file, strerror(errno));
return -1;