1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/*
* Copyright (c) 2002, Intel Corporation. All rights reserved.
* Created by: bing.wei.liu REMOVE-THIS AT intel DOT com
* This file is licensed under the GPL license. For the full content
* of this license, see the COPYING file at the top level of this
* source tree.
* Test that pthread_key_create()
*
* An optional destructor function may be associated with each key value. At thread exit, if
* a key value has a non-NULL destructor pointer, and the thread has a non-NULL value associated
* with that key, the value of the key is set to NULL, and then the function pointed to is called
* with the previously associated value as its sole argument. The order of destructor calls is
* unspecified if more than one destructor exists for a thread when it exits.
*
* Steps:
* 1. Define an array of keys
* 2. Use pthread_key_create() and create those keys
* 3. Verify that you can set and get specific values for those keys without errors.
*
*/
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "posixtest.h"
#define KEY_VALUE 1000
pthread_key_t key;
int dest_cnt;
/* Destructor function */
void dest_func(void *p)
{
dest_cnt++;
}
/* Thread function */
void *a_thread_func()
{
/* Set the value of the key to a value */
if (pthread_setspecific(key, (void *)(KEY_VALUE)) != 0) {
printf("Error: pthread_setspecific() failed\n");
pthread_exit((void *)PTS_UNRESOLVED);
}
/* The thread ends here, the destructor for the key should now be called after this */
pthread_exit(0);
}
int main(void)
{
pthread_t new_th;
/* Initialize the destructor flag */
dest_cnt = 0;
/* Create a key with a destructor function */
if (pthread_key_create(&key, dest_func) != 0) {
printf("Error: pthread_key_create() failed\n");
pthread_exit((void *)PTS_UNRESOLVED);
}
/* Create a thread */
if (pthread_create(&new_th, NULL, a_thread_func, NULL) != 0) {
perror("Error creating thread\n");
return PTS_UNRESOLVED;
}
/* Wait for the thread's return */
if (pthread_join(new_th, NULL) != 0) {
perror("Error in pthread_join()\n");
return PTS_UNRESOLVED;
}
/* Check if the destructor was called */
if (dest_cnt == 0) {
printf("Test FAILED: Destructor not called\n");
return PTS_FAIL;
}
printf("Test PASSED\n");
return PTS_PASS;
}
|
