int main (int argc, char *argv[])
{
struct rlimit rlim;
pid_t pid = 0;
int status = 0, nchildren = 3, i;
/* Print out all limits */
printf ("Printing out all limits for pid=%d:\n", getpid ());
print_limits ();
/* change and printout the limit for core file size */
printf ("\nBefore Modification, this is RLIMIT_CORE:\n");
do_limit (RLIMIT_CORE, "RLIMIT_CORE", &rlim);
rlim.rlim_cur = 8 * 1024 * 1024;
printf ("I forked off a child with pid = %d\n", (int)pid);
setrlimit (RLIMIT_CORE, &rlim);
printf ("\nAfter Modification, this is RLIMIT_CORE:\n");
do_limit (RLIMIT_CORE, "RLIMIT_CORE", &rlim);
/* fork off the nchildren */
fflush (stdout);
for (i = 0; i < nchildren; i++) {
pid = fork ();
if (pid < 0)
DEATH ("Failed in fork");
if (pid == 0) { /* any child */
printf ("\nIn child pid= %d this is RLIMIT_CORE:\n",
(int)getpid ());
do_limit (RLIMIT_CORE, "RLIMIT_CORE", &rlim);
fflush (stdout);
sleep (3);
exit (0);
}
}
while (pid > 0) { /* parent */
pid = wait (&status);
printf ("Parent got return on pid=%dn\n", (int)pid);
}
printf (" **************************************************** \n");
print_rusage (RUSAGE_SELF);
print_rusage (RUSAGE_CHILDREN);
exit (0);
}
static void gui_cb_limit (GUI_ARGS) {
GUI_IAM (OTMultiEditor);
do_limit (me);
}
static void gui_button_cb_limit (I, GuiButtonEvent event) {
(void) event;
iam (OTMultiEditor);
do_limit (me);
}
void print_limits (void)
{
struct rlimit rlim;
do_limit (RLIMIT_CPU, "RLIMIT_CPU", &rlim);
do_limit (RLIMIT_FSIZE, "RLMIT_FSIZE", &rlim);
do_limit (RLIMIT_DATA, "RLMIT_DATA", &rlim);
do_limit (RLIMIT_STACK, "RLIMIT_STACK", &rlim);
do_limit (RLIMIT_CORE, "RLIMIT_CORE", &rlim);
do_limit (RLIMIT_RSS, "RLIMIT_RSS", &rlim);
do_limit (RLIMIT_NPROC, "RLIMIT_NPROC", &rlim);
do_limit (RLIMIT_NOFILE, "RLIMIT_NOFILE", &rlim);
do_limit (RLIMIT_MEMLOCK, "RLIMIT_MEMLOCK", &rlim);
do_limit (RLIMIT_AS, "RLIMIT_AS", &rlim);
do_limit (RLIMIT_LOCKS, "RLIMIT_LOCKS", &rlim);
}
