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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #include "apr_arch_threadproc.h"
18 #include "apr_portable.h"
20 APR_DECLARE(apr_status_t) apr_threadattr_create(apr_threadattr_t **new, apr_pool_t *pool)
22 (*new) = (apr_threadattr_t *)apr_palloc(pool,
23 sizeof(apr_threadattr_t));
30 (*new)->attr = (int32)B_NORMAL_PRIORITY;
35 APR_DECLARE(apr_status_t) apr_threadattr_detach_set(apr_threadattr_t *attr, apr_int32_t on)
45 APR_DECLARE(apr_status_t) apr_threadattr_detach_get(apr_threadattr_t *attr)
47 if (attr->detached == 1){
53 APR_DECLARE(apr_status_t) apr_threadattr_stacksize_set(apr_threadattr_t *attr,
59 static void *dummy_worker(void *opaque)
61 apr_thread_t *thd = (apr_thread_t*)opaque;
62 return thd->func(thd, thd->data);
65 APR_DECLARE(apr_status_t) apr_thread_create(apr_thread_t **new, apr_threadattr_t *attr,
66 apr_thread_start_t func, void *data,
72 (*new) = (apr_thread_t *)apr_palloc(pool, sizeof(apr_thread_t));
82 /* First we create the new thread...*/
86 temp = B_NORMAL_PRIORITY;
88 stat = apr_pool_create(&(*new)->pool, pool);
89 if (stat != APR_SUCCESS) {
93 (*new)->td = spawn_thread((thread_func)dummy_worker, "apr thread", temp, (*new));
94 /* Now we try to run it...*/
95 if (resume_thread((*new)->td) == B_NO_ERROR) {
103 APR_DECLARE(apr_os_thread_t) apr_os_thread_current(void)
105 return find_thread(NULL);
108 int apr_os_thread_equal(apr_os_thread_t tid1, apr_os_thread_t tid2)
113 APR_DECLARE(apr_status_t) apr_thread_exit(apr_thread_t *thd, apr_status_t retval)
115 apr_pool_destroy(thd->pool);
116 thd->exitval = retval;
117 exit_thread ((status_t)(retval));
118 /* This will never be reached... */
122 APR_DECLARE(apr_status_t) apr_thread_join(apr_status_t *retval, apr_thread_t *thd)
124 status_t rv = 0, ret;
125 if ((ret = wait_for_thread(thd->td, &rv)) == B_NO_ERROR) {
130 /* if we've missed the thread's death, did we set an exit value prior
131 * to it's demise? If we did return that.
133 if (thd->exitval != -1) {
134 *retval = thd->exitval;
141 APR_DECLARE(apr_status_t) apr_thread_detach(apr_thread_t *thd)
143 if (suspend_thread(thd->td) == B_NO_ERROR){
151 void apr_thread_yield()
155 APR_DECLARE(apr_status_t) apr_thread_data_get(void **data, const char *key, apr_thread_t *thread)
157 return apr_pool_userdata_get(data, key, thread->pool);
160 APR_DECLARE(apr_status_t) apr_thread_data_set(void *data, const char *key,
161 apr_status_t (*cleanup) (void *),
162 apr_thread_t *thread)
164 return apr_pool_userdata_set(data, key, cleanup, thread->pool);
167 APR_DECLARE(apr_status_t) apr_os_thread_get(apr_os_thread_t **thethd, apr_thread_t *thd)
173 APR_DECLARE(apr_status_t) apr_os_thread_put(apr_thread_t **thd, apr_os_thread_t *thethd,
179 if ((*thd) == NULL) {
180 (*thd) = (apr_thread_t *)apr_pcalloc(pool, sizeof(apr_thread_t));
183 (*thd)->td = *thethd;
187 static apr_status_t thread_once_cleanup(void *vcontrol)
189 apr_thread_once_t *control = (apr_thread_once_t *)vcontrol;
192 release_sem(control->sem);
193 delete_sem(control->sem);
199 APR_DECLARE(apr_status_t) apr_thread_once_init(apr_thread_once_t **control,
203 *control = (apr_thread_once_t *)apr_pcalloc(p, sizeof(apr_thread_once_t));
204 (*control)->hit = 0; /* we haven't done it yet... */
205 rc = ((*control)->sem = create_sem(1, "thread_once"));
209 apr_pool_cleanup_register(p, control, thread_once_cleanup, apr_pool_cleanup_null);
215 APR_DECLARE(apr_status_t) apr_thread_once(apr_thread_once_t *control,
219 if (acquire_sem(control->sem) == B_OK) {
227 APR_POOL_IMPLEMENT_ACCESSOR(thread)