1 /* 2 * Copyright (c) 2002, Intel Corporation. All rights reserved. 3 * Created by: rolla.n.selbak 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 pthread_create() creates a new thread with attributes specified 9 * by 'attr', within a process. 10 * 11 * Steps: 12 * 1. Create a new thread that will go into a never-ending while loop. 13 * 2. If the thread is truly asynchronise, then the main function will 14 * continue instead of waiting for the thread to return (which in never 15 * does in this test case). 16 * 3. An alarm is set to go off (i.e. send the SIGARLM signal) after 3 17 * seconds. This is done for 'timeing-out' reasons, in case main DOES 18 * wait for the thread to return. This would also mean that the test 19 * failed. 20 */ 21 22 #include <pthread.h> 23 #include <stdio.h> 24 #include <stdlib.h> 25 #include <unistd.h> 26 #include <signal.h> 27 #include <string.h> 28 #include "posixtest.h" 29 30 void *a_thread_function(); 31 void alarm_handler(); 32 33 pthread_t a; 34 35 int main(void) 36 { 37 int ret; 38 39 /* Set the action for SIGALRM to generate an error if it is 40 * reached. This is because if SIGALRM was sent, then the 41 * test timed out. */ 42 if (signal(SIGALRM, alarm_handler) == SIG_ERR) { 43 printf("Error in signal()\n"); 44 return PTS_UNRESOLVED; 45 } 46 47 /* SIGALRM will be sent in 5 seconds. */ 48 alarm(5); 49 50 ret = pthread_create(&a, NULL, a_thread_function, NULL); 51 if (ret) { 52 fprintf(stderr, "pthread_create(): %s\n", strerror(ret)); 53 return PTS_UNRESOLVED; 54 } 55 56 pthread_cancel(a); 57 58 pthread_join(a, NULL); 59 60 printf("Test PASSED\n"); 61 return PTS_PASS; 62 } 63 64 /* A never-ending thread function */ 65 void *a_thread_function() 66 { 67 pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL); 68 69 while (1) 70 sleep(1); 71 72 return NULL; 73 } 74 75 #define WRITE(str) write(STDOUT_FILENO, str, sizeof(str) - 1) 76 77 /* If this handler is called, that means that the test has failed. */ 78 void alarm_handler() 79 { 80 WRITE("Test FAILED: Alarm fired while waiting for cancelation\n"); 81 _exit(PTS_FAIL); 82 } 83
