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 <nks/errno.h>
18
19 #include "apr.h"
20 #include "apr_private.h"
21 #include "apr_general.h"
22 #include "apr_strings.h"
23 #include "apr_arch_thread_mutex.h"
24 #include "apr_arch_thread_cond.h"
25 #include "apr_portable.h"
26
thread_cond_cleanup(void * data)27 static apr_status_t thread_cond_cleanup(void *data)
28 {
29 apr_thread_cond_t *cond = (apr_thread_cond_t *)data;
30
31 NXCondFree(cond->cond);
32 return APR_SUCCESS;
33 }
34
apr_thread_cond_create(apr_thread_cond_t ** cond,apr_pool_t * pool)35 APR_DECLARE(apr_status_t) apr_thread_cond_create(apr_thread_cond_t **cond,
36 apr_pool_t *pool)
37 {
38 apr_thread_cond_t *new_cond = NULL;
39
40 new_cond = (apr_thread_cond_t *)apr_pcalloc(pool, sizeof(apr_thread_cond_t));
41
42 if(new_cond ==NULL) {
43 return APR_ENOMEM;
44 }
45 new_cond->pool = pool;
46
47 new_cond->cond = NXCondAlloc(NULL);
48
49 if(new_cond->cond == NULL)
50 return APR_ENOMEM;
51
52 apr_pool_cleanup_register(new_cond->pool, new_cond,
53 (void*)thread_cond_cleanup,
54 apr_pool_cleanup_null);
55 *cond = new_cond;
56 return APR_SUCCESS;
57 }
58
apr_thread_cond_wait(apr_thread_cond_t * cond,apr_thread_mutex_t * mutex)59 APR_DECLARE(apr_status_t) apr_thread_cond_wait(apr_thread_cond_t *cond,
60 apr_thread_mutex_t *mutex)
61 {
62 if (NXCondWait(cond->cond, mutex->mutex) != 0)
63 return APR_EINTR;
64 return APR_SUCCESS;
65 }
66
apr_thread_cond_timedwait(apr_thread_cond_t * cond,apr_thread_mutex_t * mutex,apr_interval_time_t timeout)67 APR_DECLARE(apr_status_t) apr_thread_cond_timedwait(apr_thread_cond_t *cond,
68 apr_thread_mutex_t *mutex,
69 apr_interval_time_t timeout)
70 {
71 int rc;
72 if (timeout < 0) {
73 rc = NXCondWait(cond->cond, mutex->mutex);
74 }
75 else {
76 timeout = timeout * 1000 / NXGetSystemTick();
77 rc = NXCondTimedWait(cond->cond, mutex->mutex, timeout);
78 if (rc == NX_ETIMEDOUT) {
79 return APR_TIMEUP;
80 }
81 }
82 if (rc != 0) {
83 return APR_EINTR;
84 }
85 return APR_SUCCESS;
86 }
87
apr_thread_cond_signal(apr_thread_cond_t * cond)88 APR_DECLARE(apr_status_t) apr_thread_cond_signal(apr_thread_cond_t *cond)
89 {
90 NXCondSignal(cond->cond);
91 return APR_SUCCESS;
92 }
93
apr_thread_cond_broadcast(apr_thread_cond_t * cond)94 APR_DECLARE(apr_status_t) apr_thread_cond_broadcast(apr_thread_cond_t *cond)
95 {
96 NXCondBroadcast(cond->cond);
97 return APR_SUCCESS;
98 }
99
apr_thread_cond_destroy(apr_thread_cond_t * cond)100 APR_DECLARE(apr_status_t) apr_thread_cond_destroy(apr_thread_cond_t *cond)
101 {
102 apr_status_t stat;
103 if ((stat = thread_cond_cleanup(cond)) == APR_SUCCESS) {
104 apr_pool_cleanup_kill(cond->pool, cond, thread_cond_cleanup);
105 return APR_SUCCESS;
106 }
107 return stat;
108 }
109
110 APR_POOL_IMPLEMENT_ACCESSOR(thread_cond)
111
112