1 /* 2 * Copyright (c) 2002, Intel Corporation. All rights reserved. 3 * Created by: bing.wei.liu REMOVE-THIS AT intel DOT com 4 * Copyright (c) 2013 Cyril Hrubis <chrubis (at) suse.cz> 5 * 6 * This file is licensed under the GPL license. For the full content 7 * of this license, see the COPYING file at the top level of this 8 * source tree. 9 * 10 * Test that pthread_key_create() 11 * 12 * If successful, the pthread_key_create() function shall store the newly 13 * created key value at *key and shall return zero. Otherwise, an error number 14 * shall be returned to indicate an error: 15 * 16 * [EAGAIN] - the system lacked the necessary resources to create another 17 * thread_specific data key, or the system imposed limit on the 18 * total number of keys per process [PTHREAD_KEYS_MAX] has been 19 * exceeded. 20 * 21 * [ENOMEM] - insufficient memory exists to create the key. 22 * 23 * TESTING [EAGAIN] 24 * 25 * Steps: 26 * 1. Define an array of keys 27 * 2. Use pthread_key_create() and create those keys 28 * 3. Verify that you can set and get specific values for those keys without 29 * errors. 30 * 31 */ 32 33 #include <errno.h> 34 #include <limits.h> 35 #include <pthread.h> 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <unistd.h> 39 #include "posixtest.h" 40 41 static pthread_key_t keys[PTHREAD_KEYS_MAX + 1]; 42 43 int main(void) 44 { 45 int i, rc; 46 47 for (i = 0; i <= PTHREAD_KEYS_MAX; i++) { 48 rc = pthread_key_create(&keys[i], NULL); 49 50 if (rc != 0) 51 break; 52 } 53 54 if (i == PTHREAD_KEYS_MAX) { 55 if (rc == EAGAIN) { 56 printf("Test PASSED\n"); 57 return PTS_PASS; 58 } else { 59 printf("Expected EAGAIN on exceeding the limit, got: %d\n", rc); 60 return PTS_FAIL; 61 } 62 } 63 64 if (rc == EAGAIN) { 65 printf("EAGAIN returned before the key limit was exceeded\n"); 66 return PTS_FAIL; 67 } 68 69 printf("Error: pthread_key_create() failed with %d\n", rc); 70 return PTS_UNRESOLVED; 71 } 72
