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 20 void myhandler(int signo) 21 { 22 printf("handler does nothing useful.\n"); 23 } 24 25 int main(void) 26 { 27 errno = -1; 28 29 if (signal(SIGKILL, myhandler) != SIG_ERR) { 30 printf 31 ("Test FAILED: signal() didn't return SIG_ERR even though a non-catchable signal 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 a non-catchable signal was passed to the signal() function\n"); 38 return PTS_FAIL; 39 } 40 return PTS_PASS; 41 } 42