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other-licenses/7zstub/src/Windows/Synchronization.h@b8a032363ba2 (annotated)

other-licenses/7zstub/src/Windows/Synchronization.h

Thu, 22 Jan 2015 13:21:57 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 22 Jan 2015 13:21:57 +0100

branch

TOR_BUG_9701

changeset 15

b8a032363ba2

permissions

-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0	1	// Windows/Synchronization.h
michael@0	2
michael@0	3	#ifndef __WINDOWS_SYNCHRONIZATION_H
michael@0	4	#define __WINDOWS_SYNCHRONIZATION_H
michael@0	5
michael@0	6	#include "Defs.h"
michael@0	7	#include "Handle.h"
michael@0	8
michael@0	9	namespace NWindows {
michael@0	10	namespace NSynchronization {
michael@0	11
michael@0	12	class CObject: public CHandle
michael@0	13	{
michael@0	14	public:
michael@0	15	bool Lock(DWORD timeoutInterval = INFINITE)
michael@0	16	{ return (::WaitForSingleObject(_handle, timeoutInterval) == WAIT_OBJECT_0); }
michael@0	17	};
michael@0	18
michael@0	19	class CBaseEvent: public CObject
michael@0	20	{
michael@0	21	public:
michael@0	22	bool Create(bool manualReset, bool initiallyOwn, LPCTSTR name = NULL,
michael@0	23	LPSECURITY_ATTRIBUTES securityAttributes = NULL)
michael@0	24	{
michael@0	25	_handle = ::CreateEvent(securityAttributes, BoolToBOOL(manualReset),
michael@0	26	BoolToBOOL(initiallyOwn), name);
michael@0	27	return (_handle != 0);
michael@0	28	}
michael@0	29
michael@0	30	bool Open(DWORD desiredAccess, bool inheritHandle, LPCTSTR name)
michael@0	31	{
michael@0	32	_handle = ::OpenEvent(desiredAccess, BoolToBOOL(inheritHandle), name);
michael@0	33	return (_handle != 0);
michael@0	34	}
michael@0	35
michael@0	36	bool Set() { return BOOLToBool(::SetEvent(_handle)); }
michael@0	37	bool Pulse() { return BOOLToBool(::PulseEvent(_handle)); }
michael@0	38	bool Reset() { return BOOLToBool(::ResetEvent(_handle)); }
michael@0	39	};
michael@0	40
michael@0	41	class CEvent: public CBaseEvent
michael@0	42	{
michael@0	43	public:
michael@0	44	CEvent() {};
michael@0	45	CEvent(bool manualReset, bool initiallyOwn,
michael@0	46	LPCTSTR name = NULL, LPSECURITY_ATTRIBUTES securityAttributes = NULL);
michael@0	47	};
michael@0	48
michael@0	49	class CManualResetEvent: public CEvent
michael@0	50	{
michael@0	51	public:
michael@0	52	CManualResetEvent(bool initiallyOwn = false, LPCTSTR name = NULL,
michael@0	53	LPSECURITY_ATTRIBUTES securityAttributes = NULL):
michael@0	54	CEvent(true, initiallyOwn, name, securityAttributes) {};
michael@0	55	};
michael@0	56
michael@0	57	class CAutoResetEvent: public CEvent
michael@0	58	{
michael@0	59	public:
michael@0	60	CAutoResetEvent(bool initiallyOwn = false, LPCTSTR name = NULL,
michael@0	61	LPSECURITY_ATTRIBUTES securityAttributes = NULL):
michael@0	62	CEvent(false, initiallyOwn, name, securityAttributes) {};
michael@0	63	};
michael@0	64
michael@0	65	class CMutex: public CObject
michael@0	66	{
michael@0	67	public:
michael@0	68	bool Create(bool initiallyOwn, LPCTSTR name = NULL,
michael@0	69	LPSECURITY_ATTRIBUTES securityAttributes = NULL)
michael@0	70	{
michael@0	71	_handle = ::CreateMutex(securityAttributes, BoolToBOOL(initiallyOwn), name);
michael@0	72	return (_handle != 0);
michael@0	73	}
michael@0	74	bool Open(DWORD desiredAccess, bool inheritHandle, LPCTSTR name)
michael@0	75	{
michael@0	76	_handle = ::OpenMutex(desiredAccess, BoolToBOOL(inheritHandle), name);
michael@0	77	return (_handle != 0);
michael@0	78	}
michael@0	79	bool Release() { return BOOLToBool(::ReleaseMutex(_handle)); }
michael@0	80	};
michael@0	81
michael@0	82	class CMutexLock
michael@0	83	{
michael@0	84	CMutex &_object;
michael@0	85	public:
michael@0	86	CMutexLock(CMutex &object): _object(object) { _object.Lock(); }
michael@0	87	~CMutexLock() { _object.Release(); }
michael@0	88	};
michael@0	89
michael@0	90	class CCriticalSection
michael@0	91	{
michael@0	92	CRITICAL_SECTION _object;
michael@0	93	// void Initialize() { ::InitializeCriticalSection(&_object); }
michael@0	94	// void Delete() { ::DeleteCriticalSection(&_object); }
michael@0	95	public:
michael@0	96	CCriticalSection() { ::InitializeCriticalSection(&_object); }
michael@0	97	~CCriticalSection() { ::DeleteCriticalSection(&_object); }
michael@0	98	void Enter() { ::EnterCriticalSection(&_object); }
michael@0	99	void Leave() { ::LeaveCriticalSection(&_object); }
michael@0	100	};
michael@0	101
michael@0	102	class CCriticalSectionLock
michael@0	103	{
michael@0	104	CCriticalSection &_object;
michael@0	105	void Unlock() { _object.Leave(); }
michael@0	106	public:
michael@0	107	CCriticalSectionLock(CCriticalSection &object): _object(object)
michael@0	108	{_object.Enter(); }
michael@0	109	~CCriticalSectionLock() { Unlock(); }
michael@0	110	};
michael@0	111
michael@0	112	}}
michael@0	113
michael@0	114	#endif