1 /* 2 3 * Copyright (c) 2003, Intel Corporation. All rights reserved. 4 * Created by: salwan.searty REMOVE-THIS AT intel DOT com 5 * This file is licensed under the GPL license. For the full content 6 * of this license, see the COPYING file at the top level of this 7 * source tree. 8 9 The resulting set shall be the intersection of the current set and the 10 complement of the signal set pointed to by set, if the value of the 11 argument how is SIG_UNBLOCK 12 */ 13 14 #include <signal.h> 15 #include <stdio.h> 16 #include "posixtest.h" 17 18 int handler_called = 0; 19 20 void handler(int signo) 21 { 22 handler_called = 1; 23 } 24 25 int main(void) 26 { 27 struct sigaction act; 28 sigset_t set1, set2, pending_set; 29 30 sigemptyset(&set1); 31 sigaddset(&set1, SIGABRT); 32 sigaddset(&set1, SIGUSR2); 33 34 sigemptyset(&set2); 35 sigaddset(&set2, SIGUSR2); 36 37 act.sa_handler = handler; 38 act.sa_flags = 0; 39 sigemptyset(&act.sa_mask); 40 41 if (sigaction(SIGABRT, &act, 0) == -1) { 42 perror("Unexpected error while attempting to setup test " 43 "pre-conditions"); 44 return PTS_UNRESOLVED; 45 } 46 47 if (sigaction(SIGUSR2, &act, 0) == -1) { 48 perror("Unexpected error while attempting to setup test " 49 "pre-conditions"); 50 return PTS_UNRESOLVED; 51 } 52 53 if (sigprocmask(SIG_SETMASK, &set1, NULL) == -1) { 54 perror 55 ("Unexpected error while attempting to use sigprocmask.\n"); 56 return PTS_UNRESOLVED; 57 } 58 59 if (sigprocmask(SIG_UNBLOCK, &set2, NULL) == -1) { 60 perror 61 ("Unexpected error while attempting to use sigprocmask.\n"); 62 return PTS_UNRESOLVED; 63 } 64 65 if (raise(SIGUSR2) == -1) { 66 perror("Unexpected error while attempting to setup test " 67 "pre-conditions"); 68 return PTS_UNRESOLVED; 69 } 70 71 if (!handler_called) { 72 printf 73 ("FAIL: Handler was not called for even though signal was removed from the signal mask\n"); 74 return PTS_UNRESOLVED; 75 } 76 77 handler_called = 0; 78 if (raise(SIGABRT) == -1) { 79 perror("Unexpected error while attempting to setup test " 80 "pre-conditions"); 81 return PTS_UNRESOLVED; 82 } 83 84 if (handler_called) { 85 printf 86 ("FAIL: Hanlder was called for even though signal should have been in the signal mask\n"); 87 return PTS_FAIL; 88 } 89 90 if (sigpending(&pending_set) == -1) { 91 perror("Unexpected error while attempting to use sigpending\n"); 92 return PTS_UNRESOLVED; 93 } 94 95 if (sigismember(&pending_set, SIGABRT) != 1) { 96 perror("FAIL: sigismember did not return 1\n"); 97 return PTS_FAIL; 98 } 99 100 if (sigismember(&pending_set, SIGUSR2) != 0) { 101 perror("FAIL: sigismember did not return 1\n"); 102 return PTS_FAIL; 103 } 104 105 printf("Test PASSED: signal was added to the process's signal mask\n"); 106 return 0; 107 } 108
