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 nanosleep() sets errno to EINTR if it is interrupted by a signal. 9 * Test by sending a signal to a child doing nanosleep(). If nanosleep 10 * errno = EINTR, return success from the child. 11 */ 12 #include <stdio.h> 13 #include <time.h> 14 #include <signal.h> 15 #include <unistd.h> 16 #include <sys/wait.h> 17 #include <errno.h> 18 #include "posixtest.h" 19 20 #define CHILDSUCCESS 1 21 #define CHILDFAILURE 0 22 23 void handler(int signo) 24 { 25 printf("In handler\n"); 26 } 27 28 int main(void) 29 { 30 struct timespec tssleepfor, tsstorage; 31 int sleepsec = 30; 32 int pid; 33 struct sigaction act; 34 35 if ((pid = fork()) == 0) { 36 /* child here */ 37 38 act.sa_handler = handler; 39 act.sa_flags = 0; 40 if (sigemptyset(&act.sa_mask) == -1) { 41 perror("Error calling sigemptyset\n"); 42 return CHILDFAILURE; 43 } 44 if (sigaction(SIGABRT, &act, 0) == -1) { 45 perror("Error calling sigaction\n"); 46 return CHILDFAILURE; 47 } 48 tssleepfor.tv_sec = sleepsec; 49 tssleepfor.tv_nsec = 0; 50 if (nanosleep(&tssleepfor, &tsstorage) == -1) { 51 if (EINTR == errno) { 52 printf("errno == EINTR\n"); 53 return CHILDSUCCESS; 54 } else { 55 printf("errno != EINTR\n"); 56 return CHILDFAILURE; 57 } 58 } else { 59 printf("nanosleep did not return -1\n"); 60 return CHILDFAILURE; 61 } 62 63 return CHILDFAILURE; 64 } else { 65 /* parent here */ 66 int i; 67 68 sleep(1); 69 70 if (kill(pid, SIGABRT) != 0) { 71 printf("Could not raise signal being tested\n"); 72 return PTS_UNRESOLVED; 73 } 74 75 if (wait(&i) == -1) { 76 perror("Error waiting for child to exit\n"); 77 return PTS_UNRESOLVED; 78 } 79 80 if (WIFEXITED(i) && WEXITSTATUS(i)) { 81 printf("Test PASSED\n"); 82 return PTS_PASS; 83 } else { 84 printf("Child did not exit normally.\n"); 85 printf("Test FAILED\n"); 86 return PTS_FAIL; 87 } 88 } 89 return PTS_UNRESOLVED; 90 } 91
