Attachment 190576 Details for Bug 225863 – apr thread

apr thread

thread.c (text/plain), 8.17 KB, created by emss on 2018-02-13 13:14:20 UTC

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Creator: emss

Created: 2018-02-13 13:14:20 UTC

Size: 8.17 KB

patch

obsolete

>/* Licensed to the Apache Software Foundation (ASF) under one or more
> * contributor license agreements.  See the NOTICE file distributed with
> * this work for additional information regarding copyright ownership.
> * The ASF licenses this file to You under the Apache License, Version 2.0
> * (the "License"); you may not use this file except in compliance with
> * the License.  You may obtain a copy of the License at
> *
> *     http://www.apache.org/licenses/LICENSE-2.0
> *
> * Unless required by applicable law or agreed to in writing, software
> * distributed under the License is distributed on an "AS IS" BASIS,
> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
> * See the License for the specific language governing permissions and
> * limitations under the License.
> */
>
>#include "apr.h"
>#include "apr_portable.h"
>#include "apr_arch_threadproc.h"
>
>#if APR_HAS_THREADS
>
>#if APR_HAVE_PTHREAD_H
>
>/* Destroy the threadattr object */
>static apr_status_t threadattr_cleanup(void *data)
>{
>    apr_threadattr_t *attr = data;
>    apr_status_t rv;
>
>    rv = pthread_attr_destroy(&attr->attr);
>#ifdef PTHREAD_SETS_ERRNO
>    if (rv) {
>        rv = errno;
>    }
>#endif
>    return rv;
>}
>
>APR_DECLARE(apr_status_t) apr_threadattr_create(apr_threadattr_t **new,
>                                                apr_pool_t *pool)
>{
>    apr_status_t stat;
>
>    (*new) = apr_palloc(pool, sizeof(apr_threadattr_t));
>    (*new)->pool = pool;
>    stat = pthread_attr_init(&(*new)->attr);
>
>    if (stat == 0) {
>        apr_pool_cleanup_register(pool, *new, threadattr_cleanup,
>                                  apr_pool_cleanup_null);
>        return APR_SUCCESS;
>    }
>#ifdef PTHREAD_SETS_ERRNO
>    stat = errno;
>#endif
>
>    return stat;
>}
>
>#define DETACH_ARG(v) ((v) ? PTHREAD_CREATE_DETACHED : PTHREAD_CREATE_JOINABLE)
>
>APR_DECLARE(apr_status_t) apr_threadattr_detach_set(apr_threadattr_t *attr,
>                                                    apr_int32_t on)
>{
>    apr_status_t stat;
>#ifdef PTHREAD_ATTR_SETDETACHSTATE_ARG2_ADDR
>    int arg = DETACH_ARG(v);
>
>    if ((stat = pthread_attr_setdetachstate(&attr->attr, &arg)) == 0) {
>#else
>    if ((stat = pthread_attr_setdetachstate(&attr->attr, 
>                                            DETACH_ARG(on))) == 0) {
>#endif
>        return APR_SUCCESS;
>    }
>    else {
>#ifdef PTHREAD_SETS_ERRNO
>        stat = errno;
>#endif
>
>        return stat;
>    }
>}
>
>APR_DECLARE(apr_status_t) apr_threadattr_detach_get(apr_threadattr_t *attr)
>{
>    int state;
>
>#ifdef PTHREAD_ATTR_GETDETACHSTATE_TAKES_ONE_ARG
>    state = pthread_attr_getdetachstate(&attr->attr);
>#else
>    pthread_attr_getdetachstate(&attr->attr, &state);
>#endif
>    if (state == 1)
>        return APR_DETACH;
>    return APR_NOTDETACH;
>}
>
>APR_DECLARE(apr_status_t) apr_threadattr_stacksize_set(apr_threadattr_t *attr,
>                                                       apr_size_t stacksize)
>{
>    int stat;
>
>    stat = pthread_attr_setstacksize(&attr->attr, stacksize);
>    if (stat == 0) {
>        return APR_SUCCESS;
>    }
>#ifdef PTHREAD_SETS_ERRNO
>    stat = errno;
>#endif
>
>    return stat;
>}
>
>APR_DECLARE(apr_status_t) apr_threadattr_guardsize_set(apr_threadattr_t *attr,
>                                                       apr_size_t size)
>{
>#ifdef HAVE_PTHREAD_ATTR_SETGUARDSIZE
>    apr_status_t rv;
>
>    rv = pthread_attr_setguardsize(&attr->attr, size);
>    if (rv == 0) {
>        return APR_SUCCESS;
>    }
>#ifdef PTHREAD_SETS_ERRNO
>    rv = errno;
>#endif
>    return rv;
>#else
>    return APR_ENOTIMPL;
>#endif
>}
>
>static void *dummy_worker(void *opaque)
>{
>    apr_thread_t *thread = (apr_thread_t*)opaque;
>
>#ifdef HAVE_PTHREAD_SETSCHEDPARAM
>	if (thread->priority) {
>		int policy;
>		struct sched_param param = { 0 };
>		pthread_t tt = pthread_self();
>	
>		pthread_getschedparam(tt, &policy, &param);
>		param.sched_priority = thread->priority;
>		pthread_setschedparam(tt, policy, &param);
>	}
>#endif
>
>    return thread->func(thread, thread->data);
>}
>
>APR_DECLARE(apr_status_t) apr_thread_create(apr_thread_t **new,
>                                            apr_threadattr_t *attr,
>                                            apr_thread_start_t func,
>                                            void *data,
>                                            apr_pool_t *pool)
>{
>    apr_status_t stat;
>    pthread_attr_t *temp;
>	pthread_t tt;
>
>    (*new) = (apr_thread_t *)apr_pcalloc(pool, sizeof(apr_thread_t));
>
>    if ((*new) == NULL) {
>        return APR_ENOMEM;
>    }
>
>    (*new)->td = (pthread_t *)apr_pcalloc(pool, sizeof(pthread_t));
>
>    if ((*new)->td == NULL) {
>        return APR_ENOMEM;
>    }
>
>    (*new)->pool = pool;
>    (*new)->data = data;
>    (*new)->func = func;
>
>    if (attr)
>        temp = &attr->attr;
>    else
>        temp = NULL;
>
>    stat = apr_pool_create(&(*new)->pool, pool);
>    if (stat != APR_SUCCESS) {
>        return stat;
>    }
>
>	if (attr && attr->priority) {
>		(*new)->priority = attr->priority;
>	}
>
>    if ((stat = pthread_create(&tt, temp, dummy_worker, (*new))) == 0) {
>		*(*new)->td = tt;
>
>        return APR_SUCCESS;
>    }
>    else {
>#ifdef PTHREAD_SETS_ERRNO
>        stat = errno;
>#endif
>
>        return stat;
>    }
>}
>
>APR_DECLARE(apr_os_thread_t) apr_os_thread_current(void)
>{
>    return pthread_self();
>}
>
>APR_DECLARE(int) apr_os_thread_equal(apr_os_thread_t tid1,
>                                     apr_os_thread_t tid2)
>{
>    return pthread_equal(tid1, tid2);
>}
>
>APR_DECLARE(apr_status_t) apr_thread_exit(apr_thread_t *thd,
>                                          apr_status_t retval)
>{
>    thd->exitval = retval;
>    apr_pool_destroy(thd->pool);
>    pthread_exit(NULL);
>    return APR_SUCCESS;
>}
>
>APR_DECLARE(apr_status_t) apr_thread_join(apr_status_t *retval,
>                                          apr_thread_t *thd)
>{
>    apr_status_t stat;
>    apr_status_t *thread_stat;
>
>    if ((stat = pthread_join(*thd->td,(void *)&thread_stat)) == 0) {
>        *retval = thd->exitval;
>        return APR_SUCCESS;
>    }
>    else {
>#ifdef PTHREAD_SETS_ERRNO
>        stat = errno;
>#endif
>
>        return stat;
>    }
>}
>
>APR_DECLARE(apr_status_t) apr_thread_detach(apr_thread_t *thd)
>{
>    apr_status_t stat;
>
>#ifdef PTHREAD_DETACH_ARG1_ADDR
>    if ((stat = pthread_detach(thd->td)) == 0) {
>#else
>    if ((stat = pthread_detach(*thd->td)) == 0) {
>#endif
>
>        return APR_SUCCESS;
>    }
>    else {
>#ifdef PTHREAD_SETS_ERRNO
>        stat = errno;
>#endif
>
>        return stat;
>    }
>}
>
>void apr_thread_yield()
>{
>}
>
>APR_DECLARE(apr_status_t) apr_thread_data_get(void **data, const char *key,
>                                              apr_thread_t *thread)
>{
>    return apr_pool_userdata_get(data, key, thread->pool);
>}
>
>APR_DECLARE(apr_status_t) apr_thread_data_set(void *data, const char *key,
>                              apr_status_t (*cleanup)(void *),
>                              apr_thread_t *thread)
>{
>    return apr_pool_userdata_set(data, key, cleanup, thread->pool);
>}
>
>APR_DECLARE(apr_status_t) apr_os_thread_get(apr_os_thread_t **thethd,
>                                            apr_thread_t *thd)
>{
>    *thethd = thd->td;
>    return APR_SUCCESS;
>}
>
>APR_DECLARE(apr_status_t) apr_os_thread_put(apr_thread_t **thd,
>                                            apr_os_thread_t *thethd,
>                                            apr_pool_t *pool)
>{
>    if (pool == NULL) {
>        return APR_ENOPOOL;
>    }
>
>    if ((*thd) == NULL) {
>        (*thd) = (apr_thread_t *)apr_pcalloc(pool, sizeof(apr_thread_t));
>        (*thd)->pool = pool;
>    }
>
>    (*thd)->td = thethd;
>    return APR_SUCCESS;
>}
>
>APR_DECLARE(apr_status_t) apr_thread_once_init(apr_thread_once_t **control,
>                                               apr_pool_t *p)
>{
>    static const pthread_once_t once_init = PTHREAD_ONCE_INIT;
>
>    *control = apr_palloc(p, sizeof(**control));
>    (*control)->once = once_init;
>    return APR_SUCCESS;
>}
>
>APR_DECLARE(apr_status_t) apr_thread_once(apr_thread_once_t *control,
>                                          void (*func)(void))
>{
>    return pthread_once(&control->once, func);
>}
>
>APR_POOL_IMPLEMENT_ACCESSOR(thread)
>
>#endif  /* HAVE_PTHREAD_H */
>#endif  /* APR_HAS_THREADS */
>
>#if !APR_HAS_THREADS
>
>/* avoid warning for no prototype */
>APR_DECLARE(apr_status_t) apr_os_thread_get(void);
>
>APR_DECLARE(apr_status_t) apr_os_thread_get(void)
>{
>    return APR_ENOTIMPL;
>}
>
>#endif

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Attachments on bug 225863: 190575 | 190576 | 190577 | 190578 | 190579 | 190580