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DEFINITIONS
This source file includes following definitions.
- apr_threadattr_create
- apr_threadattr_detach_set
- apr_threadattr_detach_get
- APR_DECLARE
- APR_DECLARE
- dummy_worker
- apr_thread_create
- apr_os_thread_current
- apr_os_thread_equal
- apr_thread_yield
- apr_thread_exit
- apr_thread_join
- apr_thread_detach
- apr_thread_data_get
- apr_thread_data_set
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
- APR_DECLARE
/* 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_strings.h"
#include "apr_arch_threadproc.h"
static int thread_count = 0;
apr_status_t apr_threadattr_create(apr_threadattr_t **new,
apr_pool_t *pool)
{
(*new) = (apr_threadattr_t *)apr_palloc(pool,
sizeof(apr_threadattr_t));
if ((*new) == NULL) {
return APR_ENOMEM;
}
(*new)->pool = pool;
(*new)->stack_size = APR_DEFAULT_STACK_SIZE;
(*new)->detach = 0;
(*new)->thread_name = NULL;
return APR_SUCCESS;
}
apr_status_t apr_threadattr_detach_set(apr_threadattr_t *attr,apr_int32_t on)
{
attr->detach = on;
return APR_SUCCESS;
}
apr_status_t apr_threadattr_detach_get(apr_threadattr_t *attr)
{
if (attr->detach == 1)
return APR_DETACH;
return APR_NOTDETACH;
}
APR_DECLARE(apr_status_t) apr_threadattr_stacksize_set(apr_threadattr_t *attr,
apr_size_t stacksize)
{
attr->stack_size = stacksize;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_threadattr_guardsize_set(apr_threadattr_t *attr,
apr_size_t size)
{
return APR_ENOTIMPL;
}
static void *dummy_worker(void *opaque)
{
apr_thread_t *thd = (apr_thread_t *)opaque;
return thd->func(thd, thd->data);
}
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;
long flags = NX_THR_BIND_CONTEXT;
char threadName[NX_MAX_OBJECT_NAME_LEN+1];
size_t stack_size = APR_DEFAULT_STACK_SIZE;
if (attr && attr->thread_name) {
strncpy (threadName, attr->thread_name, NX_MAX_OBJECT_NAME_LEN);
}
else {
sprintf(threadName, "APR_thread %04ld", ++thread_count);
}
/* An original stack size of 0 will allow NXCreateThread() to
* assign a default system stack size. An original stack
* size of less than 0 will assign the APR default stack size.
* anything else will be taken as is.
*/
if (attr && (attr->stack_size >= 0)) {
stack_size = attr->stack_size;
}
(*new) = (apr_thread_t *)apr_palloc(pool, sizeof(apr_thread_t));
if ((*new) == NULL) {
return APR_ENOMEM;
}
(*new)->data = data;
(*new)->func = func;
(*new)->thread_name = (char*)apr_pstrdup(pool, threadName);
stat = apr_pool_create(&(*new)->pool, pool);
if (stat != APR_SUCCESS) {
return stat;
}
if (attr && attr->detach) {
flags |= NX_THR_DETACHED;
}
(*new)->ctx = NXContextAlloc(
/* void(*start_routine)(void *arg)*/(void (*)(void *)) dummy_worker,
/* void *arg */ (*new),
/* int priority */ NX_PRIO_MED,
/* NXSize_t stackSize */ stack_size,
/* long flags */ NX_CTX_NORMAL,
/* int *error */ &stat);
stat = NXContextSetName(
/* NXContext_t ctx */ (*new)->ctx,
/* const char *name */ threadName);
stat = NXThreadCreate(
/* NXContext_t context */ (*new)->ctx,
/* long flags */ flags,
/* NXThreadId_t *thread_id */ &(*new)->td);
if(stat==0)
return APR_SUCCESS;
return(stat);// if error
}
apr_os_thread_t apr_os_thread_current()
{
return NXThreadGetId();
}
int apr_os_thread_equal(apr_os_thread_t tid1, apr_os_thread_t tid2)
{
return (tid1 == tid2);
}
void apr_thread_yield()
{
NXThreadYield();
}
apr_status_t apr_thread_exit(apr_thread_t *thd,
apr_status_t retval)
{
thd->exitval = retval;
apr_pool_destroy(thd->pool);
NXThreadExit(NULL);
return APR_SUCCESS;
}
apr_status_t apr_thread_join(apr_status_t *retval,
apr_thread_t *thd)
{
apr_status_t stat;
NXThreadId_t dthr;
if ((stat = NXThreadJoin(thd->td, &dthr, NULL)) == 0) {
*retval = thd->exitval;
return APR_SUCCESS;
}
else {
return stat;
}
}
apr_status_t apr_thread_detach(apr_thread_t *thd)
{
return APR_SUCCESS;
}
apr_status_t apr_thread_data_get(void **data, const char *key,
apr_thread_t *thread)
{
if (thread != NULL) {
return apr_pool_userdata_get(data, key, thread->pool);
}
else {
data = NULL;
return APR_ENOTHREAD;
}
}
apr_status_t apr_thread_data_set(void *data, const char *key,
apr_status_t (*cleanup) (void *),
apr_thread_t *thread)
{
if (thread != NULL) {
return apr_pool_userdata_set(data, key, cleanup, thread->pool);
}
else {
data = NULL;
return APR_ENOTHREAD;
}
}
APR_DECLARE(apr_status_t) apr_os_thread_get(apr_os_thread_t **thethd,
apr_thread_t *thd)
{
if (thd == NULL) {
return APR_ENOTHREAD;
}
*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_palloc(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)
{
(*control) = apr_pcalloc(p, sizeof(**control));
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_thread_once(apr_thread_once_t *control,
void (*func)(void))
{
if (!atomic_xchg(&control->value, 1)) {
func();
}
return APR_SUCCESS;
}
APR_POOL_IMPLEMENT_ACCESSOR(thread)