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/* $OpenBSD: siginfo.c,v 1.10 2003/07/31 21:48:06 deraadt Exp $ */
/* PUBLIC DOMAIN Oct 2002 <marc@snafu.org> */
/*
* test SA_SIGINFO support. Also check that SA_RESETHAND does the right
* thing.
*/
#include <signal.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include "test.h"
#define BOGUS (char *)0x987230
static void
act_handler(int signal, siginfo_t *siginfo, void *context)
{
struct sigaction sa;
char * str;
CHECKe(sigaction(SIGSEGV, NULL, &sa));
ASSERT(sa.sa_handler == SIG_DFL);
ASSERT(siginfo != NULL);
asprintf(&str, "act_handler: signal %d, siginfo %p, context %p\n"
"addr %p, code %d, trap %d\n", signal, siginfo, context,
siginfo->si_addr, siginfo->si_code, siginfo->si_trapno);
write(STDOUT_FILENO, str, strlen(str));
free(str);
ASSERT(siginfo->si_addr == BOGUS);
ASSERT(siginfo->si_code != SI_USER);
ASSERT(siginfo->si_code > 0 && siginfo->si_code <= NSIGSEGV);
SUCCEED;
}
int
main(int argc, char **argv)
{
struct sigaction act;
act.sa_sigaction = act_handler;
sigemptyset(&act.sa_mask);
act.sa_flags = SA_SIGINFO | SA_RESETHAND | SA_NODEFER;
CHECKe(sigaction(SIGSEGV, &act, NULL));
*BOGUS = 1;
PANIC("How did we get here?");
}
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