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 Steps: 10 1. Add only SIGABRT to the signal mask. 11 2. Make a call such as this: sigprocmask(SIG_SETMASK, NULL, &oactl). 12 At 13 this point, we have obtained the signal mask in oactl. 14 3. Now call is_changed to make sure that SIGABRT is still in oactl, and 15 that no other signal in the set is in oactl. 16 17 */ 18 19 #include <signal.h> 20 #include <stdio.h> 21 #include "posixtest.h" 22 23 #define NUMSIGNALS (sizeof(siglist) / sizeof(siglist[0])) 24 25 int is_changed(sigset_t set, int sig) 26 { 27 28 int i; 29 int siglist[] = { SIGABRT, SIGALRM, SIGBUS, SIGCHLD, 30 SIGCONT, SIGFPE, SIGHUP, SIGILL, SIGINT, 31 SIGPIPE, SIGQUIT, SIGSEGV, 32 SIGTERM, SIGTSTP, SIGTTIN, SIGTTOU, 33 SIGUSR1, SIGUSR2, 34 #ifdef SIGPOLL 35 SIGPOLL, 36 #endif 37 #ifdef SIGPROF 38 SIGPROF, 39 #endif 40 SIGSYS, 41 SIGTRAP, SIGURG, SIGVTALRM, SIGXCPU, SIGXFSZ 42 }; 43 44 if (sigismember(&set, sig) != 1) { 45 return 1; 46 } 47 for (i = 0; i < NUMSIGNALS; i++) { 48 if ((siglist[i] != sig)) { 49 if (sigismember(&set, siglist[i]) != 0) { 50 return 1; 51 } 52 } 53 } 54 return 0; 55 } 56 57 int main(void) 58 { 59 sigset_t actl, oactl; 60 61 sigemptyset(&actl); 62 sigemptyset(&oactl); 63 64 sigaddset(&actl, SIGABRT); 65 66 sigprocmask(SIG_SETMASK, &actl, NULL); 67 sigprocmask(SIG_SETMASK, NULL, &oactl); 68 69 if (is_changed(oactl, SIGABRT)) 70 return PTS_FAIL; 71 72 printf("Test PASSED: signal mask was not changed.\n"); 73 return PTS_PASS; 74 } 75
