#include <winpr/config.h>
#include <winpr/assert.h>
#include <winpr/tchar.h>
#include <winpr/synch.h>
#include <winpr/sysinfo.h>
#include <winpr/interlocked.h>
#include <winpr/thread.h>
#include "synch.h"
#include "../log.h"

Macros
#define	TAG WINPR_TAG("synch.critical")

Functions
VOID	InitializeCriticalSection (LPCRITICAL_SECTION lpCriticalSection)

BOOL	InitializeCriticalSectionEx (LPCRITICAL_SECTION lpCriticalSection, DWORD dwSpinCount, DWORD Flags)

BOOL	InitializeCriticalSectionAndSpinCount (LPCRITICAL_SECTION lpCriticalSection, DWORD dwSpinCount)

DWORD	SetCriticalSectionSpinCount (LPCRITICAL_SECTION lpCriticalSection, DWORD dwSpinCount)

static VOID	_WaitForCriticalSection (LPCRITICAL_SECTION lpCriticalSection)

static VOID	_UnWaitCriticalSection (LPCRITICAL_SECTION lpCriticalSection)

VOID	EnterCriticalSection (LPCRITICAL_SECTION lpCriticalSection)

BOOL	TryEnterCriticalSection (LPCRITICAL_SECTION lpCriticalSection)

VOID	LeaveCriticalSection (LPCRITICAL_SECTION lpCriticalSection)

VOID	DeleteCriticalSection (LPCRITICAL_SECTION lpCriticalSection)

Macro Definition Documentation

◆ TAG

#define TAG WINPR_TAG("synch.critical")

WinPR: Windows Portable Runtime Synchronization Functions

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

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.

Function Documentation

◆ _UnWaitCriticalSection()

static VOID _UnWaitCriticalSection ( LPCRITICAL_SECTION lpCriticalSection )

static

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◆ _WaitForCriticalSection()

static VOID _WaitForCriticalSection ( LPCRITICAL_SECTION lpCriticalSection )

static

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◆ DeleteCriticalSection()

VOID DeleteCriticalSection ( LPCRITICAL_SECTION lpCriticalSection )

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◆ EnterCriticalSection()

VOID EnterCriticalSection ( LPCRITICAL_SECTION lpCriticalSection )

On some operating systems sched_yield is a stub. usleep should at least trigger a context switch if any thread is waiting. A ThreadYield() would be nice in winpr ...

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◆ InitializeCriticalSection()

VOID InitializeCriticalSection ( LPCRITICAL_SECTION lpCriticalSection )

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◆ InitializeCriticalSectionAndSpinCount()

BOOL InitializeCriticalSectionAndSpinCount	(	LPCRITICAL_SECTION	lpCriticalSection,
		DWORD	dwSpinCount
	)

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◆ InitializeCriticalSectionEx()

BOOL InitializeCriticalSectionEx	(	LPCRITICAL_SECTION	lpCriticalSection,
		DWORD	dwSpinCount,
		DWORD	Flags
	)

See http://msdn.microsoft.com/en-us/library/ff541979(v=vs.85).aspx

The LockCount field indicates the number of times that any thread has called the EnterCriticalSection routine for this critical section, minus one. This field starts at -1 for an unlocked critical section. Each call of EnterCriticalSection increments this value; each call of LeaveCriticalSection decrements it.
The RecursionCount field indicates the number of times that the owning thread has called EnterCriticalSection for this critical section.

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