1/* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements.  See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License.  You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "apr.h"
18#include "apr_portable.h"
19#include "apr_arch_threadproc.h"
20
21#if APR_HAS_THREADS
22
23#if APR_HAVE_PTHREAD_H
24APR_DECLARE(apr_status_t) apr_threadkey_private_create(apr_threadkey_t **key,
25                                                       void (*dest)(void *),
26                                                       apr_pool_t *pool)
27{
28    (*key) = (apr_threadkey_t *)apr_pcalloc(pool, sizeof(apr_threadkey_t));
29
30    if ((*key) == NULL) {
31        return APR_ENOMEM;
32    }
33
34    (*key)->pool = pool;
35
36    return pthread_key_create(&(*key)->key, dest);
37
38}
39
40APR_DECLARE(apr_status_t) apr_threadkey_private_get(void **new,
41                                                    apr_threadkey_t *key)
42{
43#ifdef PTHREAD_GETSPECIFIC_TAKES_TWO_ARGS
44    if (pthread_getspecific(key->key,new))
45       *new = NULL;
46#else
47    (*new) = pthread_getspecific(key->key);
48#endif
49    return APR_SUCCESS;
50}
51
52APR_DECLARE(apr_status_t) apr_threadkey_private_set(void *priv,
53                                                    apr_threadkey_t *key)
54{
55    apr_status_t stat;
56
57    if ((stat = pthread_setspecific(key->key, priv)) == 0) {
58        return APR_SUCCESS;
59    }
60    else {
61        return stat;
62    }
63}
64
65APR_DECLARE(apr_status_t) apr_threadkey_private_delete(apr_threadkey_t *key)
66{
67#ifdef HAVE_PTHREAD_KEY_DELETE
68    apr_status_t stat;
69
70    if ((stat = pthread_key_delete(key->key)) == 0) {
71        return APR_SUCCESS;
72    }
73
74    return stat;
75#else
76    return APR_ENOTIMPL;
77#endif
78}
79
80APR_DECLARE(apr_status_t) apr_threadkey_data_get(void **data, const char *key,
81                                                 apr_threadkey_t *threadkey)
82{
83    return apr_pool_userdata_get(data, key, threadkey->pool);
84}
85
86APR_DECLARE(apr_status_t) apr_threadkey_data_set(void *data, const char *key,
87                              apr_status_t (*cleanup)(void *),
88                              apr_threadkey_t *threadkey)
89{
90    return apr_pool_userdata_set(data, key, cleanup, threadkey->pool);
91}
92
93APR_DECLARE(apr_status_t) apr_os_threadkey_get(apr_os_threadkey_t *thekey,
94                                               apr_threadkey_t *key)
95{
96    *thekey = key->key;
97    return APR_SUCCESS;
98}
99
100APR_DECLARE(apr_status_t) apr_os_threadkey_put(apr_threadkey_t **key,
101                                               apr_os_threadkey_t *thekey,
102                                               apr_pool_t *pool)
103{
104    if (pool == NULL) {
105        return APR_ENOPOOL;
106    }
107
108    if ((*key) == NULL) {
109        (*key) = (apr_threadkey_t *)apr_pcalloc(pool, sizeof(apr_threadkey_t));
110        (*key)->pool = pool;
111    }
112
113    (*key)->key = *thekey;
114    return APR_SUCCESS;
115}
116#endif /* APR_HAVE_PTHREAD_H */
117#endif /* APR_HAS_THREADS */
118
119#if !APR_HAS_THREADS
120
121/* avoid warning for no prototype */
122APR_DECLARE(apr_status_t) apr_os_threadkey_get(void);
123
124APR_DECLARE(apr_status_t) apr_os_threadkey_get(void)
125{
126    return APR_ENOTIMPL;
127}
128
129#endif
130