45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/*
|
|
* (c) 2005 Nico Schottelius (nico-linux at schottelius.org)
|
|
* cinit.c
|
|
* part of cLinux/cinit
|
|
*/
|
|
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include "cinit.h"
|
|
|
|
void set_signals(int action)
|
|
{
|
|
struct sigaction sa;
|
|
|
|
if(action == ACT_SERV) {
|
|
sa.sa_handler=SIG_IGN;
|
|
} else {
|
|
sa.sa_handler=SIG_DFL;
|
|
}
|
|
sigaction(SIGINT,&sa,NULL); /* ignore ctr+c and ctr+alt+del */
|
|
sigaction(SIGPIPE,&sa,NULL); /* what todo when pipe/fifo closed */
|
|
sigaction(SIGTTIN,&sa,NULL);
|
|
sigaction(SIGTTOU,&sa,NULL);
|
|
sigaction(SIGSTOP,&sa,NULL);
|
|
|
|
sigaction(SIGQUIT,&sa,NULL); /* warm reboot??? */
|
|
|
|
/* cleaning dead processes - only process 1 */
|
|
if(action == ACT_SERV) {
|
|
sa.sa_handler=sig_child;
|
|
}
|
|
/* server and client need sig_chld - really??? FIXME in exec_svc then! */
|
|
sigaction(SIGCHLD,&sa,NULL); /* what todo when a child exited */
|
|
|
|
/* signal handlers to do special things with: reboot */
|
|
if(action == ACT_SERV) {
|
|
sa.sa_handler=sig_reboot;
|
|
}
|
|
sigaction(SIGUSR1,&sa,NULL); /* halt */
|
|
sigaction(SIGUSR2,&sa,NULL); /* Rescue */
|
|
sigaction(SIGTERM,&sa,NULL); /* poweroff */
|
|
sigaction(SIGHUP,&sa,NULL); /* reboot */
|
|
sigaction(SIGCONT,&sa,NULL); /* update */
|
|
|
|
}
|