ReactOS 0.4.15-dev-8231-g29a56f3
Mutex Class Reference

#include <Mutex.h>

Collaboration diagram for Mutex:

Public Member Functions

 Mutex ()
 
 ~Mutex ()
 
void Lock (void)
 
void Unlock (void)
 
bool IsLocked (void)
 

Protected Attributes

uint32 LockCount
 
HANDLE MutexHandle
 
bool Locked
 

Detailed Description

Definition at line 15 of file Mutex.h.

Constructor & Destructor Documentation

◆ Mutex()

Mutex::Mutex ( )
inline

Definition at line 18 of file Mutex.h.

19 {
20 // NT only code begin ... Win9x disregards this part
21 SECURITY_ATTRIBUTES MutexAttribs;
22
23 memset (&MutexAttribs, 0, sizeof (SECURITY_ATTRIBUTES));
24
25 MutexAttribs.bInheritHandle = false;
26 MutexAttribs.nLength = sizeof (SECURITY_ATTRIBUTES);
27 MutexAttribs.lpSecurityDescriptor = NULL;
28 // NT only code end
29
30 Locked = false;
31 LockCount = 0;
32 MutexHandle = CreateMutex (&MutexAttribs, Locked, NULL);
33
34 return;
35 }
bool Locked
Definition: Mutex.h:74
uint32 LockCount
Definition: Mutex.h:72
HANDLE MutexHandle
Definition: Mutex.h:73
#define NULL
Definition: types.h:112
struct _SECURITY_ATTRIBUTES SECURITY_ATTRIBUTES
#define memset(x, y, z)
Definition: compat.h:39
LPVOID lpSecurityDescriptor
Definition: compat.h:193
#define CreateMutex
Definition: winbase.h:3756

Referenced by AcpiExUnlinkMutex().

◆ ~Mutex()

Mutex::~Mutex ( )
inline

Definition at line 37 of file Mutex.h.

38 {
39 Lock ();
41 }
void Lock(void)
Definition: Mutex.h:43
#define CloseHandle
Definition: compat.h:739

Member Function Documentation

◆ IsLocked()

bool Mutex::IsLocked ( void  )
inline

Definition at line 66 of file Mutex.h.

67 {
68 return (Locked);
69 }

◆ Lock()

void Mutex::Lock ( void  )
inline

Definition at line 43 of file Mutex.h.

44 {
45 Locked = true;
47 LockCount += 1;
48 return;
49 }
#define INFINITE
Definition: serial.h:102
DWORD WINAPI WaitForSingleObject(IN HANDLE hHandle, IN DWORD dwMilliseconds)
Definition: synch.c:82

Referenced by Defragment::Lock(), and ~Mutex().

◆ Unlock()

void Mutex::Unlock ( void  )
inline

Definition at line 52 of file Mutex.h.

53 {
54 LockCount -= 1;
55 if (LockCount <= 0)
56 {
57 LockCount = 0;
58 Locked = false;
59 }
60
62 return;
63 }
BOOL WINAPI DECLSPEC_HOTPATCH ReleaseMutex(IN HANDLE hMutex)
Definition: synch.c:618

Referenced by Defragment::Unlock().

Member Data Documentation

◆ LockCount

uint32 Mutex::LockCount
protected

Definition at line 72 of file Mutex.h.

Referenced by Lock(), Mutex(), and Unlock().

◆ Locked

bool Mutex::Locked
protected

Definition at line 74 of file Mutex.h.

Referenced by IsLocked(), Lock(), Mutex(), and Unlock().

◆ MutexHandle

HANDLE Mutex::MutexHandle
protected

Definition at line 73 of file Mutex.h.

Referenced by Lock(), Mutex(), Unlock(), and ~Mutex().


The documentation for this class was generated from the following file: