moved all stuff to github

contrib/epee/include/winobj.h

@@ -0,0 +1,227 @@
+// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * 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.
+// * Neither the name of the Andrey N. Sabelnikov nor the
+// names of its contributors may be used to endorse or promote products
+// derived from this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+// ANY EXPRESS 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 COPYRIGHT OWNER  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.
+// 
+
+
+#ifndef __WINH_OBJ_H__
+#define __WINH_OBJ_H__
+
+#include <boost/thread/locks.hpp>
+
+namespace epee
+{
+class critical_region;
+
+class critical_section {
+
+	boost::mutex	m_section;
+
+public:
+
+	critical_section( const critical_section& section ) {
+		InitializeCriticalSection( &m_section );
+	}
+
+	critical_section() {
+		InitializeCriticalSection( &m_section );
+	}
+
+	~critical_section() {
+		DeleteCriticalSection( &m_section );
+	}
+
+	void lock() {
+		EnterCriticalSection( &m_section );
+	}
+
+	void unlock() {
+		LeaveCriticalSection( &m_section );
+	}
+
+	bool tryLock() {
+		return TryEnterCriticalSection( &m_section )? true:false;
+	}
+
+	critical_section& operator=( const critical_section& section )
+	{
+		return *this;
+	}
+
+
+};
+
+class critical_region {
+
+	::critical_section		*m_locker;
+
+	critical_region( const critical_region& ){}
+
+public:
+
+	critical_region(critical_section &cs ) {
+		m_locker = &cs;
+		cs.lock();		
+	}
+
+	~critical_region()
+	{
+		m_locker->unlock();
+	}
+};
+
+
+class shared_critical_section
+{
+public: 
+	shared_critical_section()
+	{
+		::InitializeSRWLock(&m_srw_lock);
+	}
+	~shared_critical_section()
+	{}
+
+	bool lock_shared()
+	{
+		AcquireSRWLockShared(&m_srw_lock);
+		return true;
+	}
+	bool unlock_shared()
+	{
+		ReleaseSRWLockShared(&m_srw_lock);
+		return true;
+	}
+	bool lock_exclusive()
+	{
+		::AcquireSRWLockExclusive(&m_srw_lock);
+		return true;
+	}
+	bool unlock_exclusive()
+	{
+		::ReleaseSRWLockExclusive(&m_srw_lock);
+		return true;
+	}
+private:
+	SRWLOCK m_srw_lock;
+
+};
+
+
+class shared_guard
+{
+public:
+	shared_guard(shared_critical_section& ref_sec):m_ref_sec(ref_sec)
+	{
+		m_ref_sec.lock_shared();
+	}
+
+	~shared_guard()
+	{
+		m_ref_sec.unlock_shared();
+	}
+
+private:
+	shared_critical_section& m_ref_sec;
+};
+
+
+class exclusive_guard
+{
+public:
+	exclusive_guard(shared_critical_section& ref_sec):m_ref_sec(ref_sec)
+	{
+		m_ref_sec.lock_exclusive();
+	}
+
+	~exclusive_guard()
+	{
+		m_ref_sec.unlock_exclusive();
+	}
+
+private:
+	shared_critical_section& m_ref_sec;
+};
+
+
+class event
+{
+public:
+	event()
+	{
+		m_hevent = ::CreateEvent(NULL, FALSE, FALSE, NULL);
+	}
+	~event()
+	{
+		::CloseHandle(m_hevent);
+		
+	}
+
+	bool set()
+	{
+		return ::SetEvent(m_hevent) ? true:false;
+	}
+
+	bool reset()
+	{
+		return ::ResetEvent(m_hevent) ? true:false;
+	}
+
+	HANDLE get_handle()
+	{
+		return m_hevent;
+	}
+private: 
+	HANDLE m_hevent;
+
+};
+
+
+#define  SHARED_CRITICAL_REGION_BEGIN(x) { shared_guard   critical_region_var(x)
+#define  EXCLUSIVE_CRITICAL_REGION_BEGIN(x) { exclusive_guard   critical_region_var(x)
+
+
+
+#define  CRITICAL_REGION_LOCAL(x) critical_region   critical_region_var(x)
+#define  CRITICAL_REGION_BEGIN(x) { critical_region   critical_region_var(x)
+#define  CRITICAL_REGION_END()	}
+
+
+	inline const char* get_wait_for_result_as_text(DWORD res)
+	{
+		switch(res)
+		{
+		case WAIT_ABANDONED: return "WAIT_ABANDONED";
+		case WAIT_TIMEOUT:  return "WAIT_TIMEOUT";
+		case WAIT_OBJECT_0: return "WAIT_OBJECT_0";
+		case WAIT_OBJECT_0+1: return "WAIT_OBJECT_1";
+		case WAIT_OBJECT_0+2: return "WAIT_OBJECT_2";
+		default:
+			return "UNKNOWN CODE";
+		}
+		
+	}
+
+}// namespace epee
+
+#endif