Jul 21, 2011
sigusr2
#include <signal.h>
#include <unistd.h>
static void sig_usr(int); /* one handler for both signals */
int
main(void)
{
if (signal(SIGUSR1, sig_usr) == SIG_ERR)
perror("can't catch SIGUSR1");
if (signal(SIGUSR2, sig_usr) == SIG_ERR)
perror("can't catch SIGUSR2");
for ( ; ; )
pause();
}
static void
sig_usr(int signo) /* argument is signal number */
{
if (signo == SIGUSR1)
printf("received SIGUSR1\n");
else if (signo == SIGUSR2)
printf("received SIGUSR2\n");
else {
printf("received signal %d\n", signo);
abort();
exit(1);
}
return;
}
