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-rw-r--r--threadproc/win32/thread.c281
1 files changed, 281 insertions, 0 deletions
diff --git a/threadproc/win32/thread.c b/threadproc/win32/thread.c
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index 0000000..2503457
--- /dev/null
+++ b/threadproc/win32/thread.c
@@ -0,0 +1,281 @@
+/* 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 "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;
+}
+
+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;
+ 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)->data = data;
+ (*new)->func = func;
+ (*new)->td = NULL;
+ stat = apr_pool_create(&(*new)->pool, pool);
+ if (stat != APR_SUCCESS) {
+ return stat;
+ }
+
+ /* Use 0 for default 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,
+ (DWORD) (attr ? 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)