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