1/* 2 * Copyright (c) 2003, Intel Corporation. All rights reserved. 3 * Created by: salwan.searty REMOVE-THIS AT intel DOT com 4 * This file is licensed under the GPL license. For the full content 5 * of this license, see the COPYING file at the top level of this 6 * source tree. 7 8 This program tests the assertion that signal() shall return SIG_ERR 9 and set errno to a positive value if an invalid signal number was 10 passed to it. 11 12*/ 13 14#include <signal.h> 15#include <stdio.h> 16#include <stdlib.h> 17#include <errno.h> 18#include "posixtest.h" 19 20void myhandler(int signo) 21{ 22 printf("handler does nothing useful.\n"); 23} 24 25int main(void) 26{ 27 errno = -1; 28 29 if (signal(-1, myhandler) != SIG_ERR) { 30 printf 31 ("Test FAILED: signal() didn't return SIG_ERR even though invalid signal number was passed to it\n"); 32 return PTS_FAIL; 33 } 34 35 if (errno <= 0) { 36 printf 37 ("Test FAILED: errno wasn't set to a positive number even though invalid signal number was passed to the signal() function\n"); 38 return PTS_FAIL; 39 } 40 return PTS_PASS; 41} 42