mxcriticalsection.cpp

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#include "mxcriticalsection.h"
 
#include "decomp.h"
 
#include <stdio.h>
 
DECOMP_SIZE_ASSERT(MxCriticalSection, 0x1c)
 
// GLOBAL: LEGO1 0x10101e78
BOOL g_useMutex = FALSE;
 
// FUNCTION: LEGO1 0x100b6d20
MxCriticalSection::MxCriticalSection()
{
    HANDLE mutex;
 
    if (g_useMutex) {
        mutex = CreateMutexA(NULL, FALSE, NULL);
        m_mutex = mutex;
    }
    else {
        InitializeCriticalSection(&m_criticalSection);
        m_mutex = NULL;
    }
}
 
// FUNCTION: LEGO1 0x100b6d60
MxCriticalSection::~MxCriticalSection()
{
    if (m_mutex != NULL) {
        CloseHandle(m_mutex);
    }
    else {
        DeleteCriticalSection(&m_criticalSection);
    }
}
 
// FUNCTION: LEGO1 0x100b6d80
// FUNCTION: BETA10 0x1013c725
void MxCriticalSection::Enter()
{
    DWORD result;
    FILE* file;
 
    if (m_mutex != NULL) {
        result = WaitForSingleObject(m_mutex, 5000);
        if (result == WAIT_FAILED) {
            file = fopen("C:\\DEADLOCK.TXT", "a");
            if (file != NULL) {
                fprintf(file, "mutex timeout occurred!\n");
                fclose(file);
            }
 
            abort();
        }
    }
    else {
        EnterCriticalSection(&m_criticalSection);
    }
}
 
// FUNCTION: LEGO1 0x100b6de0
void MxCriticalSection::Leave()
{
    if (m_mutex != NULL) {
        ReleaseMutex(m_mutex);
    }
    else {
        LeaveCriticalSection(&m_criticalSection);
    }
}
 
// FUNCTION: LEGO1 0x100b6e00
void MxCriticalSection::SetDoMutex()
{
    g_useMutex = TRUE;
}