36 lines
691 B
C
36 lines
691 B
C
#include <stdio.h>
|
|
#include <signal.h>
|
|
#include <sys/wait.h>
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
|
|
int doit = 0;
|
|
void
|
|
ouch (int sig)
|
|
{
|
|
fprintf (stderr, "ouch %d\n", sig);
|
|
if (doit++ == 0)
|
|
kill (getpid (), SIGTERM);
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
static struct sigaction act;
|
|
if (argc == 1)
|
|
act.sa_flags = SA_RESETHAND;
|
|
act.sa_handler = ouch;
|
|
sigaction (SIGTERM, &act, NULL);
|
|
int pid = fork ();
|
|
int status;
|
|
if (pid > 0)
|
|
waitpid (pid, &status, 0);
|
|
else
|
|
{
|
|
kill (getpid (), SIGTERM);
|
|
exit (0x27);
|
|
}
|
|
fprintf (stderr, "pid %d exited with status %p\n", pid, status);
|
|
exit (argc == 1 ? !(status == SIGTERM) : !(status == 0x2700));
|
|
}
|