Add signal handling for nslu2, make -k send SIGTERM, not SIGSTOP

This commit is contained in:
Ron Pedde 2007-01-20 14:20:59 +00:00
parent fb66541657
commit c9e70fb47f

View File

@ -85,6 +85,12 @@ int os_init(int foreground, char *runas) {
int pid_fd;
FILE *pid_fp=NULL;
/* block signals and set up the signal handling thread */
DPRINTF(E_LOG,L_MAIN,"Starting signal handler\n");
if(_os_start_signal_handler()) {
DPRINTF(E_FATAL,L_MAIN,"Error starting signal handler %s\n",strerror(errno));
}
/* open the pidfile, so it can be written once we detach */
if(!foreground) {
if(-1 == (pid_fd = open(_os_pidfile,O_CREAT | O_WRONLY | O_TRUNC, 0644))) {
@ -94,10 +100,10 @@ int os_init(int foreground, char *runas) {
if(0 == (pid_fp = fdopen(pid_fd, "w")))
DPRINTF(E_LOG,L_MAIN,"fdopen: %s\n",strerror(errno));
}
/* just to be on the safe side... */
_os_daemon_start();
fprintf(pid_fp,"%d\n",getpid());
fclose(pid_fp);
DPRINTF(E_DBG,L_MAIN,"Pid: %d\n",getpid());
}
// Drop privs here
@ -105,12 +111,6 @@ int os_init(int foreground, char *runas) {
DPRINTF(E_FATAL,L_MAIN,"Error in drop_privs: %s\n",strerror(errno));
}
/* block signals and set up the signal handling thread */
DPRINTF(E_LOG,L_MAIN,"Starting signal handler\n");
if(_os_start_signal_handler()) {
DPRINTF(E_FATAL,L_MAIN,"Error starting signal handler %s\n",strerror(errno));
}
return TRUE;
}
@ -245,7 +245,7 @@ int os_signal_server(int what) {
signal=SIGUSR2;
break;
case S_STOP:
signal=SIGSTOP;
signal=SIGTERM;
default:
break;
@ -434,8 +434,21 @@ void os_wait(int seconds) {
*
* \returns 0 on success, -1 on failure with errno set
*/
int _os_start_signal_handler() {
int _os_start_signal_handler(void) {
sigset_t set;
struct sigaction action;
action.sa_handler = SIG_IGN;
sigemptyset(&action.sa_mask);
action.sa_flags=0;
if((sigaction(SIGTERM,&action,NULL) == -1) ||
(sigaction(SIGHUP,&action,NULL) == -1) ||
(sigaction(SIGCLD,&action,NULL) == -1) ||
(sigaction(SIGINT,&action,NULL) ==-1)) {
DPRINTF(E_LOG,L_MAIN,"Error ignoring signals\n");
return -1;
}
if((sigemptyset(&set) == -1) ||
(sigaddset(&set,SIGINT) == -1) ||