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import cinit from unix.schottelius.org

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Signed-off-by: Nico Schottelius <nico@ikn.schottelius.org>
This commit is contained in:
Nico Schottelius 2009-09-16 12:53:45 +02:00
commit 423ba10303
13396 changed files with 269468 additions and 0 deletions
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45
software/cinit/browse_source/cinit-0.0.7/generic/set_signals.c Normal file
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/*
* (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 */
sigaction(SIGPIPE,&sa,NULL); /* what todo when pipe/fifo closed */
sigaction(SIGCHLD,&sa,NULL); /* what todo when child exited */
sigaction(SIGUSR2,&sa,NULL); /* USR2 */
sigaction(SIGQUIT,&sa,NULL); /* QUIT... */
sigaction(SIGTTIN,&sa,NULL);
sigaction(SIGTTOU,&sa,NULL);
/* sigio is called to act on the socket */
if(action == ACT_SERV) {
sa.sa_handler=sigio;
}
sigaction(SIGIO,&sa,NULL);
/* signal handlers to do special things with: reboot */
if(action == ACT_SERV) {
sa.sa_handler=sig_reboot;
}
// sigaction(SIGINT,&sa,NULL); /* FIXME: Testing only: ctr+c = REBOOT!!! */
sigaction(SIGUSR1,&sa,NULL);
sigaction(SIGTERM,&sa,NULL);
sigaction(SIGHUP,&sa,NULL);
/* sigstop can't be ignored, do the manpages say */
/* sigaction(SIGSTOP,&sa,NULL); */
}