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