-/*
- * Copyright 2001-2007 Internet2
+/**
+ * Licensed to the University Corporation for Advanced Internet
+ * Development, Inc. (UCAID) under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
*
- * Licensed 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
+ * UCAID 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
+ * 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.
+ * 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.
*/
/**
* Win32Threads.cpp
*
- * Thread and locking wrappers for Win32 platforms
+ * Thread and locking wrappers for Win32 platforms.
*/
#include "internal.h"
#include "logging.h"
#include "util/Threads.h"
+#include <algorithm>
+
#ifndef WIN32
# error "This implementation is for WIN32 platforms."
#endif
private:
HANDLE thread_id;
public:
- ThreadImpl(void* (*start_routine)(void*), void* arg) : thread_id(0) {
+ ThreadImpl(void* (*start_routine)(void*), void* arg, size_t stacksize) : thread_id(0) {
thread_id=CreateThread(
0, // security attributes
- 0, // use default stack size, maybe this should be setable
+ stacksize, // 0 just means the default size anyway
(LPTHREAD_START_ROUTINE ) start_routine,
arg,
- 0, // flags, default is ignore stacksize and don't create suspended which is what we want
+ 0, // flags, default is don't create suspended which is what we want
0);
if (thread_id==0) {
map_windows_error_status_to_pthreads();
class XMLTOOL_DLLLOCAL MutexImpl : public Mutex {
private:
- HANDLE mhandle;
+ CRITICAL_SECTION mhandle;
public:
- MutexImpl() : mhandle(CreateMutex(0,false,0)) {
- if (mhandle==0) {
- map_windows_error_status_to_pthreads();
- throw ThreadingException("Mutex creation failed.");
- }
+ MutexImpl() {
+ InitializeCriticalSection(&mhandle);
}
~MutexImpl() {
- if((mhandle!=0) && (!CloseHandle(mhandle)))
- map_windows_error_status_to_pthreads();
+ DeleteCriticalSection(&mhandle);
}
int lock() {
- int rc=WaitForSingleObject(mhandle,INFINITE);
- switch(rc) {
- case WAIT_ABANDONED:
- case WAIT_OBJECT_0:
- return 0;
- default:
- return map_windows_error_status_to_pthreads();
- }
+ EnterCriticalSection(&mhandle);
+ return 0;
}
int unlock() {
- return map_windows_error_status_to_pthreads(ReleaseMutex(mhandle));
+ LeaveCriticalSection(&mhandle);
+ return 0;
}
};
class XMLTOOL_DLLLOCAL ThreadKeyImpl : public ThreadKey {
private:
- //destroy_hook_type destroy_hook;
+ destroy_hook_type destroy_hook;
DWORD key;
-
+ static critical_section cs;
+ static set<ThreadKeyImpl*> m_keys;
+ friend class ThreadKey;
public:
- ThreadKeyImpl(void (*destroy_fcn)(void*)) { // : destroy_hook(destroy_fcn) {
- if (destroy_fcn)
- throw ThreadingException("TLS destructor function not supported.");
+ ThreadKeyImpl(void (*destroy_fcn)(void*)) : destroy_hook(destroy_fcn) {
key=TlsAlloc();
+ if (destroy_fcn) {
+ with_crit_section wcs(cs);
+ m_keys.insert(this);
+ }
};
virtual ~ThreadKeyImpl() {
- //if (destroy_hook)
- // destroy_hook(TlsGetValue(key));
+ if (destroy_hook) {
+ destroy_hook(TlsGetValue(key));
+ with_crit_section wcs(cs);
+ m_keys.erase(this);
+ }
TlsFree(key);
}
int setData(void* data) {
- TlsSetValue(key,data);
+ TlsSetValue(key, data);
return 0;
}
void* getData() const {
return TlsGetValue(key);
}
+
+ void onDetach() const {
+ if (destroy_hook) {
+ destroy_hook(TlsGetValue(key));
+ TlsSetValue(key, nullptr);
+ }
+ }
};
};
// public "static" creation functions
//
-Thread* Thread::create(void* (*start_routine)(void*), void* arg)
+Thread* Thread::create(void* (*start_routine)(void*), void* arg, size_t stacksize)
{
- return new ThreadImpl(start_routine, arg);
+ return new ThreadImpl(start_routine, arg, stacksize);
}
void Thread::exit(void* return_val)
return new RWLockImpl();
}
+critical_section ThreadKeyImpl::cs;
+set<ThreadKeyImpl*> ThreadKeyImpl::m_keys;
+
ThreadKey* ThreadKey::create (void (*destroy_fcn)(void*))
{
return new ThreadKeyImpl(destroy_fcn);
}
+
+void ThreadKey::onDetach()
+{
+ with_crit_section wcs(ThreadKeyImpl::cs);
+ for_each(ThreadKeyImpl::m_keys.begin(), ThreadKeyImpl::m_keys.end(), mem_fun<void,ThreadKeyImpl>(&ThreadKeyImpl::onDetach));
+}