+++ /dev/null
-/* 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_private.h"
-#include "win32/apr_arch_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 <process.h>
-#endif
-#include "apr_arch_misc.h"
-
-/* Chosen for us by apr_initialize */
-DWORD tls_apr_thread = 0;
-
-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;
- (*new)->detach = 0;
- (*new)->stacksize = 0;
-
- 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;
-}
-
-APR_DECLARE(apr_status_t) apr_threadattr_stacksize_set(apr_threadattr_t *attr,
- apr_size_t stacksize)
-{
- attr->stacksize = stacksize;
- return APR_SUCCESS;
-}
-
-static void *dummy_worker(void *opaque)
-{
- apr_thread_t *thd = (apr_thread_t *)opaque;
- TlsSetValue(tls_apr_thread, thd->td);
- 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;
- HANDLE handle;
-
- (*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;
- (*new)->td = NULL;
-
- 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 ((handle = (HANDLE)_beginthreadex(NULL,
- attr && attr->stacksize > 0 ? attr->stacksize : 0,
- (unsigned int (APR_THREAD_FUNC *)(void *))dummy_worker,
- (*new), 0, &temp)) == 0) {
- return APR_FROM_OS_ERROR(_doserrno);
- }
-#else
- if ((handle = CreateThread(NULL,
- attr && attr->stacksize > 0 ? attr->stacksize : 0,
- (unsigned int (APR_THREAD_FUNC *)(void *))dummy_worker,
- (*new), 0, &temp)) == 0) {
- return apr_get_os_error();
- }
-#endif
- if (attr && attr->detach) {
- CloseHandle(handle);
- }
- else
- (*new)->td = handle;
-
- 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);
- thd->pool = NULL;
-#ifndef _WIN32_WCE
- _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 rv = APR_SUCCESS;
-
- if (!thd->td) {
- /* Can not join on detached threads */
- return APR_DETACH;
- }
- rv = WaitForSingleObject(thd->td, INFINITE);
- if ( rv == WAIT_OBJECT_0 || rv == WAIT_ABANDONED) {
- /* If the thread_exit has been called */
- if (!thd->pool)
- *retval = thd->exitval;
- else
- rv = APR_INCOMPLETE;
- }
- else
- rv = apr_get_os_error();
- CloseHandle(thd->td);
- thd->td = NULL;
-
- return rv;
-}
-
-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)
-{
- HANDLE hthread = (HANDLE)TlsGetValue(tls_apr_thread);
- HANDLE hproc;
-
- if (hthread) {
- return hthread;
- }
-
- hproc = GetCurrentProcess();
- hthread = GetCurrentThread();
- if (!DuplicateHandle(hproc, hthread,
- hproc, &hthread, 0, FALSE,
- DUPLICATE_SAME_ACCESS)) {
- return NULL;
- }
- TlsSetValue(tls_apr_thread, hthread);
- return hthread;
-}
-
-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_DECLARE(int) apr_os_thread_equal(apr_os_thread_t tid1,
- apr_os_thread_t tid2)
-{
- /* Since the only tid's we support our are own, and
- * apr_os_thread_current returns the identical handle
- * to the one we created initially, the test is simple.
- */
- return (tid1 == tid2);
-}
-
-APR_POOL_IMPLEMENT_ACCESSOR(thread)
Code Review / bottlenecks.git / blobdiff