/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* .
*/
#include "apr_private.h"
#include "win32/threadproc.h"
#include "apr_thread_proc.h"
#include "apr_general.h"
#include "apr_lib.h"
#include "apr_portable.h"
#if APR_HAVE_PROCESS_H
#include
#endif
#include "misc.h"
APR_DECLARE(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;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_threadattr_detach_set(apr_threadattr_t *attr,
apr_int32_t on)
{
attr->detach = on;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_threadattr_detach_get(apr_threadattr_t *attr)
{
if (attr->detach == 1)
return APR_DETACH;
return APR_NOTDETACH;
}
static void *dummy_worker(void *opaque)
{
apr_thread_t *thd = (apr_thread_t *)opaque;
return thd->func(thd, thd->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;
unsigned temp;
(*new) = (apr_thread_t *)apr_palloc(pool, sizeof(apr_thread_t));
if ((*new) == NULL) {
return APR_ENOMEM;
}
(*new)->pool = pool;
(*new)->data = data;
(*new)->func = func;
stat = apr_pool_create(&(*new)->pool, pool);
if (stat != APR_SUCCESS) {
return stat;
}
/* Use 0 for Thread Stack Size, because that will default the stack to the
* same size as the calling thread.
*/
#ifndef _WIN32_WCE
if (((*new)->td = (HANDLE)_beginthreadex(NULL, 0,
(unsigned int (APR_THREAD_FUNC *)(void *))dummy_worker,
(*new), 0, &temp)) == 0) {
return APR_FROM_OS_ERROR(_doserrno);
}
#else
if (((*new)->td = CreateThread(NULL, 0,
(unsigned int (APR_THREAD_FUNC *)(void *))dummy_worker,
(*new), 0, &temp)) == 0) {
return apr_get_os_error();
}
#endif
if (attr && attr->detach) {
CloseHandle((*new)->td);
(*new)->td = NULL;
}
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_thread_exit(apr_thread_t *thd,
apr_status_t retval)
{
thd->exitval = retval;
apr_pool_destroy(thd->pool);
#ifndef _WIN32_WCE
if (thd->td) {
CloseHandle(thd->td);
}
_endthreadex(0);
#else
ExitThread(0);
#endif
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_thread_join(apr_status_t *retval,
apr_thread_t *thd)
{
apr_status_t stat;
if ((stat = WaitForSingleObject(thd->td, INFINITE)) == WAIT_OBJECT_0) {
*retval = thd->exitval;
return APR_SUCCESS;
}
else {
return stat;
}
}
APR_DECLARE(apr_status_t) apr_thread_detach(apr_thread_t *thd)
{
if (thd->td && CloseHandle(thd->td)) {
thd->td = NULL;
return APR_SUCCESS;
}
else {
return apr_get_os_error();
}
}
APR_DECLARE(void) apr_thread_yield()
{
/* SwitchToThread is not supported on Win9x, but since it's
* primarily a noop (entering time consuming code, therefore
* providing more critical threads a bit larger timeslice)
* we won't worry too much if it's not available.
*/
#ifndef _WIN32_WCE
if (apr_os_level >= APR_WIN_NT) {
SwitchToThread();
}
#endif
}
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_os_thread_t) apr_os_thread_current(void)
{
return GetCurrentThread();
}
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 (!InterlockedExchange(&control->value, 1)) {
func();
}
return APR_SUCCESS;
}
APR_POOL_IMPLEMENT_ACCESSOR(thread)