void
__stack_smash_handler(const char func[], int damaged)
{
struct sigaction sa;
sigset_t mask;
char buf[1024];
/* Immediately block all signal handlers from running code */
sigfillset(&mask);
sigdelset(&mask, SIGABRT);
sigprocmask(SIG_SETMASK, &mask, NULL);
/* <10> is LOG_CRIT */
strlcpy(buf, "<10>", sizeof buf);
/* Make sure progname does not fill the whole buffer */
strlcat(buf, __progname, sizeof(buf) / 2 );
strlcat(buf, ": stack overflow in function ", sizeof buf);
strlcat(buf, func, sizeof buf);
sendsyslog(buf, strlen(buf), LOG_CONS);
memset(&sa, 0, sizeof(sa));
sigemptyset(&sa.sa_mask);
sa.sa_flags = 0;
sa.sa_handler = SIG_DFL;
sigaction(SIGABRT, &sa, NULL);
thrkill(0, SIGABRT, NULL);
_exit(127);
}
int
raise(int s)
{
return (thrkill(0, s, NULL));
}