1 #include <signal.h> 2 #include <stdio.h> 3 #include "posixtest.h" 4 5 /* 6 7 * Copyright (c) 2002, Intel Corporation. All rights reserved. 8 * Created by: rolla.n.selbak REMOVE-THIS AT intel DOT com 9 * This file is licensed under the GPL license. For the full content 10 * of this license, see the COPYING file at the top level of this 11 * source tree. 12 13 * Test that the sigwait() function. Upon successful completion, sigwait() 14 * returns 0 and stores the signal number of the received signal at the 15 * location referenced by 'sig'. 16 * 1) Block a signal from delivery. 17 * 2) Call sigwait() 18 * 3) Raise the signal (to continue the process so we don't pause with 19 * sigwait() forever. 20 * 4) Verify the return value and the 'sig' value is correct. 21 */ 22 23 int main(void) 24 { 25 sigset_t newmask, pendingset; 26 int sig; 27 28 /* Empty set of blocked signals */ 29 if (sigemptyset(&newmask) == -1 || sigemptyset(&pendingset) == -1) { 30 printf("Error in sigemptyset()\n"); 31 return PTS_UNRESOLVED; 32 } 33 34 /* Add SIGUSR2 to the set of blocked signals */ 35 if (sigaddset(&newmask, SIGUSR2) == -1) { 36 perror("Error in sigaddset()\n"); 37 return PTS_UNRESOLVED; 38 } 39 40 /* Block SIGUSR2 */ 41 if (sigprocmask(SIG_SETMASK, &newmask, NULL) == -1) { 42 printf("Error in sigprocmask()\n"); 43 return PTS_UNRESOLVED; 44 } 45 46 /* Send SIGUSR2 signal to this process. Since it is blocked, 47 * it should be pending */ 48 if (raise(SIGUSR2) != 0) { 49 printf("Could not raise SIGUSR2\n"); 50 return PTS_UNRESOLVED; 51 } 52 53 /* Call sigwait and test if it passed/failed */ 54 if (sigwait(&newmask, &sig) != 0) { 55 printf("Error in sigwait()\n"); 56 printf("Test FAILED\n"); 57 return PTS_FAIL; 58 } 59 60 /* If we get here, then the process was suspended until 61 * SIGUSR2 was raised. */ 62 if (sig == SIGUSR2) { 63 printf("Test PASSED\n"); 64 return PTS_PASS; 65 } else { 66 printf("Test FAILED\n"); 67 return PTS_FAIL; 68 } 69 70 } 71
