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 if there aren't any more queued signals 9 for the selected signal, then the pending indication of that signal is 10 reset. 11 12 Steps: 13 - Register for myhandler to be called when SIGTOTEST is called, and make 14 sure SA_SIGINFO is set. 15 - Block signal SIGTOTEST from the process. 16 - Using sigqueue(), send NUMCALLS instances of SIGTOTEST to the current 17 process. 18 - Call sigwaitinfo() NUMCALLS times, and verify that the pending indication 19 for signal SIGTOTEST has been reset. 20 21 */ 22 23 #define _XOPEN_SOURCE 600 24 #define _XOPEN_REALTIME 1 25 #define SIGTOTEST SIGRTMIN 26 #define NUMCALLS 5 27 28 #include <signal.h> 29 #include <stdio.h> 30 #include <unistd.h> 31 #include <stdlib.h> 32 #include <errno.h> 33 #include "posixtest.h" 34 35 void myhandler(int signo, siginfo_t * info, void *context) 36 { 37 printf("Just a dummy handler\n"); 38 } 39 40 int main(void) 41 { 42 int pid, i; 43 union sigval value; 44 struct sigaction act; 45 sigset_t selectset, pendingset; 46 siginfo_t info; 47 48 act.sa_flags = SA_SIGINFO; 49 act.sa_sigaction = myhandler; 50 sigemptyset(&act.sa_mask); 51 sigaction(SIGTOTEST, &act, 0); 52 53 pid = getpid(); 54 55 sighold(SIGTOTEST); 56 57 for (i = NUMCALLS; i > 0; i--) { 58 value.sival_int = i; 59 if (sigqueue(pid, SIGTOTEST, value) != 0) { 60 printf 61 ("Test FAILED: call to sigqueue did not return success\n"); 62 return PTS_FAIL; 63 } 64 } 65 66 sigemptyset(&selectset); 67 sigaddset(&selectset, SIGTOTEST); 68 69 for (i = NUMCALLS; i > 0; i--) { 70 if (sigwaitinfo(&selectset, &info) != SIGTOTEST) { 71 perror 72 ("sigwaitinfo() returned signal other than SIGTOTEST\n"); 73 return PTS_UNRESOLVED; 74 } 75 } 76 77 sigemptyset(&pendingset); 78 sigpending(&pendingset); 79 if (sigismember(&pendingset, SIGTOTEST) != 0) { 80 printf 81 ("Test FAILED: Signal %d still pending even after call to sigwaitinfo()\n", 82 SIGTOTEST); 83 return PTS_FAIL; 84 } 85 86 return PTS_PASS; 87 } 88
