You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
138 lines
4.2 KiB
138 lines
4.2 KiB
// --------------------------------------------------------------------------------
|
|
// Dllmain.cpp
|
|
// --------------------------------------------------------------------------------
|
|
#include "pch.hxx"
|
|
#define DEFINE_STRCONST
|
|
#include "strconst.h"
|
|
#include "listen.h"
|
|
#include "shared.h"
|
|
|
|
// --------------------------------------------------------------------------------
|
|
// Globals - Object count and lock count
|
|
// --------------------------------------------------------------------------------
|
|
CRITICAL_SECTION g_csDllMain={0};
|
|
CRITICAL_SECTION g_csDBListen={0};
|
|
SYSTEM_INFO g_SystemInfo={0};
|
|
LONG g_cRef=0;
|
|
LONG g_cLock=0;
|
|
HINSTANCE g_hInst=NULL;
|
|
IMalloc *g_pMalloc=NULL;
|
|
BOOL g_fAttached = FALSE;
|
|
BOOL g_fIsWinNT=FALSE;
|
|
|
|
// --------------------------------------------------------------------------------
|
|
// Win32 Dll Entry Point
|
|
// --------------------------------------------------------------------------------
|
|
EXTERN_C BOOL WINAPI DllMain(HINSTANCE hInst, DWORD dwReason, LPVOID lpReserved)
|
|
{
|
|
// Locals
|
|
OSVERSIONINFO Version;
|
|
|
|
// Process Attach
|
|
if (DLL_PROCESS_ATTACH == dwReason)
|
|
{
|
|
// Set g_hInst
|
|
g_hInst = hInst;
|
|
|
|
// Get Mall
|
|
CoGetMalloc(1, &g_pMalloc);
|
|
|
|
// Set Version
|
|
Version.dwOSVersionInfoSize = sizeof(Version);
|
|
|
|
// Get Version
|
|
if (GetVersionEx(&Version) && Version.dwPlatformId == VER_PLATFORM_WIN32_NT)
|
|
g_fIsWinNT = TRUE;
|
|
else
|
|
g_fIsWinNT = FALSE;
|
|
|
|
// Initialize Global Critical Sections
|
|
InitializeCriticalSection(&g_csDllMain);
|
|
InitializeCriticalSection(&g_csDBListen);
|
|
g_fAttached = TRUE;
|
|
|
|
// Get System Info
|
|
GetSystemInfo(&g_SystemInfo);
|
|
|
|
// Don't tell me about thread attaches/detaches
|
|
SideAssert(DisableThreadLibraryCalls(hInst));
|
|
}
|
|
|
|
// Otherwise, process detach
|
|
else if (DLL_PROCESS_DETACH == dwReason)
|
|
{
|
|
// Delete Global Critical Sections
|
|
g_fAttached = FALSE;
|
|
DeleteCriticalSection(&g_csDllMain);
|
|
DeleteCriticalSection(&g_csDBListen);
|
|
}
|
|
|
|
// Done
|
|
return(TRUE);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------------
|
|
// DllAddRef
|
|
// --------------------------------------------------------------------------------
|
|
ULONG DllAddRef(void)
|
|
{
|
|
TraceCall("DllAddRef");
|
|
return (ULONG)InterlockedIncrement(&g_cRef);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------------
|
|
// DllRelease
|
|
// --------------------------------------------------------------------------------
|
|
ULONG DllRelease(void)
|
|
{
|
|
TraceCall("DllRelease");
|
|
return (ULONG)InterlockedDecrement(&g_cRef);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------------
|
|
// DllCanUnloadNow
|
|
// --------------------------------------------------------------------------------
|
|
STDAPI DllCanUnloadNow(void)
|
|
{
|
|
// Tracing
|
|
TraceCall("DllCanUnloadNow");
|
|
|
|
if(!g_fAttached) // critacal sections was deleted (or not created): we defently can be unloaded
|
|
return S_OK;
|
|
|
|
// Thread Safety
|
|
EnterCriticalSection(&g_csDllMain);
|
|
|
|
// Can We Unload
|
|
HRESULT hr = (0 == g_cRef && 0 == g_cLock) ? S_OK : S_FALSE;
|
|
|
|
// Thread Safety
|
|
LeaveCriticalSection(&g_csDllMain);
|
|
|
|
// Done
|
|
return(hr);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------------
|
|
// DllRegisterServer
|
|
// --------------------------------------------------------------------------------
|
|
STDAPI DllRegisterServer(void)
|
|
{
|
|
// Trace
|
|
TraceCall("DllRegisterServer");
|
|
|
|
// Register
|
|
return(CallRegInstall(g_hInst, g_hInst, c_szReg, NULL));
|
|
}
|
|
|
|
// --------------------------------------------------------------------------------
|
|
// DllUnregisterServer
|
|
// --------------------------------------------------------------------------------
|
|
STDAPI DllUnregisterServer(void)
|
|
{
|
|
// Trace
|
|
TraceCall("DllUnregisterServer");
|
|
|
|
// UnRegister
|
|
return(CallRegInstall(g_hInst, g_hInst, c_szUnReg, NULL));
|
|
}
|