1 /* 2 * Copyright (c) 2003, Intel Corporation. All rights reserved. 3 * Created by: crystal.xiong 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 9 /* 10 * mq_timedreceive() test plan: 11 * Test that if abs_timeout has already passed the time 12 * at the time mq_timedreceive() called, the timeout will expire. 13 * mq_timedreceive() will return with ETIMEDOUT. 14 * 15 */ 16 17 #include <sys/stat.h> 18 #include <sys/types.h> 19 #include <sys/wait.h> 20 #include <errno.h> 21 #include <fcntl.h> 22 #include <stdio.h> 23 #include <mqueue.h> 24 #include <signal.h> 25 #include <stdlib.h> 26 #include <string.h> 27 #include <time.h> 28 #include <unistd.h> 29 #include "posixtest.h" 30 31 #define TEST "18-2" 32 #define FUNCTION "mq_timedreceive" 33 #define ERROR_PREFIX "unexpected error: " FUNCTION " " TEST ": " 34 35 #define NAMESIZE 50 36 #define BUFFER 40 37 #define TIMEOUT 3 38 39 int blocking; 40 void exit_handler(int signo) 41 { 42 printf("FAIL: the case is blocking, exit anyway\n"); 43 blocking = 1; 44 return; 45 } 46 47 int main(void) 48 { 49 char mqname[NAMESIZE], msgrv[BUFFER]; 50 mqd_t mqdes; 51 struct timespec ts; 52 struct mq_attr attr; 53 pid_t pid; 54 int unresolved = 0, failure = 0; 55 56 sprintf(mqname, "/" FUNCTION "_" TEST "_%d", getpid()); 57 58 attr.mq_msgsize = BUFFER; 59 attr.mq_maxmsg = BUFFER; 60 mqdes = mq_open(mqname, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR, &attr); 61 if (mqdes == (mqd_t) - 1) { 62 perror(ERROR_PREFIX "mq_open"); 63 unresolved = 1; 64 } 65 66 pid = fork(); 67 if (pid != 0) { 68 /* Parent process */ 69 struct sigaction act; 70 act.sa_handler = exit_handler; 71 act.sa_flags = 0; 72 sigemptyset(&act.sa_mask); 73 sigaction(SIGABRT, &act, 0); 74 75 ts.tv_sec = time(NULL) - TIMEOUT; 76 ts.tv_nsec = 0; 77 if (mq_timedreceive(mqdes, msgrv, BUFFER, NULL, &ts) != -1) { 78 printf("FAIL: mq_timedreceive succeed unexpectely\n"); 79 failure = 1; 80 } else { 81 if (errno != ETIMEDOUT) { 82 printf("errno != ETIMEDOUT\n"); 83 failure = 1; 84 } 85 } 86 /* Parent is not blocking, let child abort */ 87 kill(pid, SIGABRT); 88 if (mq_close(mqdes) != 0) { 89 perror(ERROR_PREFIX "mq_close"); 90 unresolved = 1; 91 } 92 if (mq_unlink(mqname) != 0) { 93 perror(ERROR_PREFIX "mq_unlink"); 94 unresolved = 1; 95 } 96 if (failure == 1 || blocking == 1) { 97 printf("Test FAILED\n"); 98 return PTS_FAIL; 99 } 100 if (unresolved == 1) { 101 printf("Test UNRESOLVED\n"); 102 return PTS_UNRESOLVED; 103 } 104 printf("Test PASSED\n"); 105 return PTS_PASS; 106 } else { 107 sleep(TIMEOUT + 3); /* Parent is probably blocking 108 send a signal to let it abort */ 109 kill(getppid(), SIGABRT); 110 return 0; 111 } 112 printf("Test PASSED\n"); 113 return PTS_PASS; 114 } 115