MRMutex Class Reference

#include "Mutex.h"

Collaboration diagram for MRMutex:

Public Member Functions
	MRMutex ()
	~MRMutex ()
void	ReadLock ()
bool	TryReadLock ()
void	UnReadLock ()
void	WriteLock ()
bool	TryWriteLock ()
void	UnWriteLock ()
int32	ReadLockCount ()
int32	WriteLockCount ()

Private Attributes
int32	rl
int32	wr
int32	wl
Mutex	MCounters

Detailed Description

Definition at line 81 of file Mutex.h.

Constructor & Destructor Documentation

MRMutex::MRMutex

(

)

Definition at line 87 of file Mutex.cpp.

References rl, wl, and wr.

                 {
    rl = 0;
    wr = 0;
    wl = 0;
}

MRMutex::~MRMutex

(

)

Definition at line 93 of file Mutex.cpp.

References rl, and wl.

                  {
#ifdef _EQDEBUG
    if (wl || rl) {
        cout << "MRMutex::~MRMutex: poor cleanup detected: rl=" << rl << ", wl=" << wl << endl;
    }
#endif
}

Member Function Documentation

void MRMutex::ReadLock

(

)

Definition at line 101 of file Mutex.cpp.

References Sleep(), and TryReadLock().

                       {
    while (!TryReadLock()) {
        Sleep(1);
    }
}

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int32 MRMutex::ReadLockCount

(

)

Definition at line 178 of file Mutex.cpp.

References Mutex::Lock(), MCounters, rl, and Mutex::Unlock().

                             {
    MCounters.Lock();
    int32 ret = rl;
    MCounters.Unlock();
    return ret;
}

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bool MRMutex::TryReadLock

(

)

Definition at line 107 of file Mutex.cpp.

References Mutex::Lock(), MCounters, rl, Mutex::Unlock(), wl, and wr.

Referenced by ReadLock().

                          {
    MCounters.Lock();
    if (!wr && !wl) {
        ++rl;
        MCounters.Unlock();
        return true;
    }
    else {
        MCounters.Unlock();
        return false;
    }
}

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bool MRMutex::TryWriteLock

(

)

Definition at line 154 of file Mutex.cpp.

References Mutex::Lock(), MCounters, rl, Mutex::Unlock(), and wl.

                           {
    MCounters.Lock();
    if (!rl && !wl) {
        ++wl;
        MCounters.Unlock();
        return true;
    }
    else {
        MCounters.Unlock();
        return false;
    }
}

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void MRMutex::UnReadLock

(

)

Definition at line 120 of file Mutex.cpp.

References Mutex::Lock(), MCounters, rl, and Mutex::Unlock().

                         {
    MCounters.Lock();
    --rl;
#ifdef _EQDEBUG
    if (rl < 0) {
        ThrowError("rl < 0 in MRMutex::UnReadLock()");
    }
#endif
    MCounters.Unlock();
}

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void MRMutex::UnWriteLock

(

)

Definition at line 167 of file Mutex.cpp.

References Mutex::Lock(), MCounters, Mutex::Unlock(), and wl.

                          {
    MCounters.Lock();
    --wl;
#ifdef _EQDEBUG
    if (wl < 0) {
        ThrowError("wl < 0 in MRMutex::UnWriteLock()");
    }
#endif
    MCounters.Unlock();
}

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void MRMutex::WriteLock

(

)

Definition at line 131 of file Mutex.cpp.

References Mutex::Lock(), MCounters, rl, Sleep(), Mutex::Unlock(), wl, and wr.

                        {
    MCounters.Lock();
    if (!rl && !wl) {
        ++wl;
        MCounters.Unlock();
        return;
    }
    else {
        ++wr;
        MCounters.Unlock();
        while (1) {
            Sleep(1);
            MCounters.Lock();
            if (!rl && !wl) {
                --wr;
                MCounters.Unlock();
                return;
            }
            MCounters.Lock();
        }
    }
}

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int32 MRMutex::WriteLockCount

(

)

Definition at line 185 of file Mutex.cpp.

References Mutex::Lock(), MCounters, Mutex::Unlock(), and wl.

                              {
    MCounters.Lock();
    int32 ret = wl;
    MCounters.Unlock();
    return ret;
}

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Member Data Documentation

Mutex MRMutex::MCounters

private

Definition at line 101 of file Mutex.h.

Referenced by ReadLockCount(), TryReadLock(), TryWriteLock(), UnReadLock(), UnWriteLock(), WriteLock(), and WriteLockCount().

int32 MRMutex::rl

private

Definition at line 98 of file Mutex.h.

Referenced by MRMutex(), ReadLockCount(), TryReadLock(), TryWriteLock(), UnReadLock(), WriteLock(), and ~MRMutex().

int32 MRMutex::wl

private

Definition at line 100 of file Mutex.h.

Referenced by MRMutex(), TryReadLock(), TryWriteLock(), UnWriteLock(), WriteLock(), WriteLockCount(), and ~MRMutex().

int32 MRMutex::wr

private

Definition at line 99 of file Mutex.h.

Referenced by MRMutex(), TryReadLock(), and WriteLock().

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

• /backups/local/src/eve/EvEmu_Crucible/src/eve-core/threading/Mutex.h
• /backups/local/src/eve/EvEmu_Crucible/src/eve-core/threading/Mutex.cpp