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 if (NXCondTimedWait(cond->cond, mutex->mutex,
71 (timeout*1000)/NXGetSystemTick()) == NX_ETIMEDOUT) {
72 return APR_TIMEUP;
73 }
74 return APR_SUCCESS;
75 }
76
apr_thread_cond_signal(apr_thread_cond_t * cond)77 APR_DECLARE(apr_status_t) apr_thread_cond_signal(apr_thread_cond_t *cond)
78 {
79 NXCondSignal(cond->cond);
80 return APR_SUCCESS;
81 }
82
apr_thread_cond_broadcast(apr_thread_cond_t * cond)83 APR_DECLARE(apr_status_t) apr_thread_cond_broadcast(apr_thread_cond_t *cond)
84 {
85 NXCondBroadcast(cond->cond);
86 return APR_SUCCESS;
87 }
88
apr_thread_cond_destroy(apr_thread_cond_t * cond)89 APR_DECLARE(apr_status_t) apr_thread_cond_destroy(apr_thread_cond_t *cond)
90 {
91 apr_status_t stat;
92 if ((stat = thread_cond_cleanup(cond)) == APR_SUCCESS) {
93 apr_pool_cleanup_kill(cond->pool, cond, thread_cond_cleanup);
94 return APR_SUCCESS;
95 }
96 return stat;
97 }
98
99 APR_POOL_IMPLEMENT_ACCESSOR(thread_cond)
100
101