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 pthread_cancelstate 9 * It returns a 0 on success. It may return an error code of: 10 * 11 * [EINVAL] The specified state is not PTHREAD_CANCEL_ENABLE or 12 * PTHREAD_CANCEL_DISABLE. 13 14 * It will not return EINTR. 15 * 16 * STEPS: 17 * 1. Create a thread. 18 * 2. In the thread function, set the state to an invalid value -100; 19 * 3. Check the return value. 20 */ 21 22 #include <pthread.h> 23 #include <stdio.h> 24 #include <errno.h> 25 #include <unistd.h> 26 #include "posixtest.h" 27 28 int ret; /* Return value of pthread_setcancelstate(). */ 29 30 /* Function that the thread executes upon its creation */ 31 void *a_thread_func() 32 { 33 /* Set cancel state to an invalid integer and save the return value. */ 34 ret = pthread_setcancelstate(-100, NULL); 35 36 pthread_exit(0); 37 return NULL; 38 } 39 40 int main(void) 41 { 42 pthread_t new_th; 43 44 /* Initializing value */ 45 ret = 0; 46 47 /* Create a new thread. */ 48 if (pthread_create(&new_th, NULL, a_thread_func, NULL) != 0) { 49 perror("Error creating thread\n"); 50 return PTS_UNRESOLVED; 51 } 52 53 /* Wait for thread to end execution. */ 54 if (pthread_join(new_th, NULL) != 0) { 55 perror("Error in pthread_join()\n"); 56 return PTS_UNRESOLVED; 57 } 58 59 /* This means that pthread_setcancelstate() did not give an error when passed an 60 * invalid state value of -100. */ 61 if (ret != EINVAL) { 62 if (ret == 0) { 63 printf 64 ("Test PASSED: *NOTE: Returned 0 on error, though standard states 'may' fail.\n"); 65 return PTS_PASS; 66 } 67 68 printf("Test FAILED: returned invalid error code of %d.\n", 69 ret); 70 return PTS_FAIL; 71 } 72 73 printf("Test PASSED\n"); 74 return PTS_PASS; 75 } 76
