1 /* 2 * Copyright (c) 2002-2003, 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 sigaltstack() returns 0 upon 9 successful completion. 10 */ 11 12 #define _XOPEN_SOURCE 600 13 14 #include <signal.h> 15 #include <stdio.h> 16 #include <stdlib.h> 17 #include "posixtest.h" 18 19 #define SIGTOTEST SIGUSR1 20 21 stack_t alternate_s; 22 handler()23void handler() 24 { 25 printf("Just a dummy handler\n"); 26 } 27 main(void)28int main(void) 29 { 30 31 struct sigaction act; 32 act.sa_flags = SA_ONSTACK; 33 act.sa_handler = handler; 34 sigemptyset(&act.sa_mask); 35 36 if (sigaction(SIGUSR1, &act, 0) == -1) { 37 perror 38 ("Unexpected error while attempting to setup test pre-conditions"); 39 return PTS_UNRESOLVED; 40 } 41 42 if ((alternate_s.ss_sp = malloc(SIGSTKSZ)) == NULL) { 43 perror 44 ("Unexpected error while attempting to setup test pre-conditions"); 45 return PTS_UNRESOLVED; 46 } 47 48 alternate_s.ss_flags = 0; 49 alternate_s.ss_size = SIGSTKSZ; 50 51 if (sigaltstack(&alternate_s, NULL) != 0) { 52 printf("Test FAILED: sigaltstack didn't return 0.\n"); 53 return PTS_FAIL; 54 } 55 56 printf("Test PASSED\n"); 57 return PTS_PASS; 58 } 59