Creating a daemon in C
#include
#include
#include
/* based on code lighttpd:server.c source file */
void daemonize(void) {
signal(SIGTTOU, SIG_IGN);
signal(SIGTTIN, SIG_IGN);
signal(SIGTSTP, SIG_IGN);
if (0 != fork()) exit(0);
if (-1 == setsid()) exit(0);
signal(SIGHUP, SIG_IGN);
if (0 != fork()) exit(0);
if (0 != chdir("/")) exit(0);
}
int main(){
int i;
printf("Perhaps you want do something before go to background\n");
scanf("%d", &i);
daemonize();
for (;;){
sleep(10);
}
}
