1 /* 2 * Copyright (c) 2002, Intel Corporation. All rights reserved. 3 * Created by: julie.n.fleischer 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 * Test that the sigpending() function stores the set of signals that 9 * are blocked from delivery when there are signals blocked both 10 * in the main function and in the signal handler. 11 * 1) Block two signals from delivery to main process. 12 * 2) Block three signals from delivery to a signal handler. 13 * 3) Raise the signal to get into that signal handler. 14 * From the signal handler: 15 * 4) Raise one blocked signal in the signal handler. 16 * 5) Raise one blocked signal in the main process. 17 * 5) Verify that the two signals raised are shown via sigpending. 18 * 6) Verify the three signals not raised are not shown. 19 */ 20 21 /* 22 * Copyright (c) 2002, Intel Corporation. All rights reserved. 23 * Created by: julie.n.fleischer REMOVE-THIS AT intel DOT com 24 * This file is licensed under the GPL license. For the full content 25 * of this license, see the COPYING file at the top level of this 26 * source tree. 27 28 * Signal handler uses exit() to leave so that the signals are not executed. 29 */ 30 31 #include <signal.h> 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include "posixtest.h" 35 36 void handler(int signo) 37 { 38 sigset_t pendingset; 39 40 if (sigemptyset(&pendingset) == -1) { 41 printf("Could not call sigemptyset()\n"); 42 exit(-1); 43 } 44 if (raise(SIGUSR2) != 0) { 45 printf("Could not raise SIGUSR2\n"); 46 exit(-1); 47 } 48 if (raise(SIGCONT) != 0) { 49 printf("Could not raise SIGCONT\n"); 50 exit(-1); 51 } 52 53 if (sigpending(&pendingset) == -1) { 54 printf("Error calling sigpending()\n"); 55 exit(-1); 56 } 57 58 if (sigismember(&pendingset, SIGUSR2) == 1 && 59 sigismember(&pendingset, SIGCONT) == 1) { 60 printf("All pending signals found\n"); 61 if ((sigismember(&pendingset, SIGHUP) == 0) && 62 (sigismember(&pendingset, SIGABRT) == 0) && 63 (sigismember(&pendingset, SIGUSR1) == 0)) { 64 printf("Unsent signals not found\n"); 65 printf("Test PASSED\n"); 66 exit(0); 67 } else { 68 printf("Error with unsent signals\n"); 69 printf("Test FAILED\n"); 70 exit(-1); 71 } 72 } else { 73 printf("Error with send signals\n"); 74 printf("Test FAILED\n"); 75 exit(-1); 76 } 77 } 78 79 int main(void) 80 { 81 sigset_t blockset; 82 sigset_t prevset; 83 struct sigaction act; 84 85 act.sa_handler = handler; 86 act.sa_flags = 0; 87 88 if ((sigemptyset(&blockset) == -1) || 89 (sigemptyset(&prevset) == -1) || 90 (sigemptyset(&act.sa_mask) == -1)) { 91 printf("Could not call sigemptyset()\n"); 92 return PTS_UNRESOLVED; 93 } 94 95 if ((sigaddset(&blockset, SIGUSR2) == -1) || 96 (sigaddset(&blockset, SIGHUP) == -1)) { 97 perror("Error calling sigaddset()\n"); 98 return PTS_UNRESOLVED; 99 } 100 101 if (sigprocmask(SIG_SETMASK, &blockset, &prevset) == -1) { 102 printf("Could not call sigprocmask()\n"); 103 return PTS_UNRESOLVED; 104 } 105 106 if ((sigaddset(&act.sa_mask, SIGCONT) == -1) || 107 (sigaddset(&act.sa_mask, SIGABRT) == -1) || 108 (sigaddset(&act.sa_mask, SIGUSR1) == -1)) { 109 perror("Error calling sigaddset()\n"); 110 return PTS_UNRESOLVED; 111 } 112 113 if (sigaction(SIGTTOU, &act, 0) == -1) { 114 perror("Could not call sigaction()"); 115 return PTS_UNRESOLVED; 116 } 117 118 if (raise(SIGTTOU) == -1) { 119 perror("Could not raise SIGTTOU"); 120 return PTS_UNRESOLVED; 121 } 122 printf("This code should not be reachable\n"); 123 return PTS_UNRESOLVED; 124 } 125
