171 lines
2.9 KiB
C
171 lines
2.9 KiB
C
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/*++
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Copyright (c) 1994 Microsoft Corporation
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All rights reserved.
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Module Name:
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debug.h
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Abstract:
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PrintUI core debugging macros/tools.
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Author:
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Lazar Ivanov (LazarI) Jul-05-2000
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Revision History:
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--*/
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#include <stdarg.h>
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#include <windef.h>
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#include <winbase.h>
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#include <shlwapi.h>
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#include "debug.h"
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#if DBG
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// globals - print & break only for errors
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// DWORD MODULE_DEBUG = MODULE_DEBUG_INIT(DBG_ERROR|DBG_INFO, DBG_ERROR);
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DWORD MODULE_DEBUG = MODULE_DEBUG_INIT(DBG_ERROR, DBG_ERROR);
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// private globals
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static CRITICAL_SECTION g_csDebug;
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static BOOL g_csDebugInitialized = FALSE;
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//////////////////////////////////////
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// single thread checking routines
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//
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VOID
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_DbgSingleThread(
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const DWORD *pdwThreadId
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)
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{
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SPLASSERT(g_csDebugInitialized);
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EnterCriticalSection(&g_csDebug);
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if( 0 == *pdwThreadId )
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*((DWORD*)(pdwThreadId)) = (DWORD)GetCurrentThreadId();
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SPLASSERT(*pdwThreadId == (DWORD)GetCurrentThreadId());
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LeaveCriticalSection(&g_csDebug);
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}
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VOID
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_DbgSingleThreadReset(
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const DWORD *pdwThreadId
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)
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{
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SPLASSERT(g_csDebugInitialized);
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EnterCriticalSection(&g_csDebug);
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*((DWORD*)(pdwThreadId)) = 0;
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LeaveCriticalSection(&g_csDebug);
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}
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VOID
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_DbgSingleThreadNot(
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const DWORD *pdwThreadId
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)
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{
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SPLASSERT(g_csDebugInitialized);
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EnterCriticalSection(&g_csDebug);
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SPLASSERT(*pdwThreadId != (DWORD)GetCurrentThreadId());
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LeaveCriticalSection(&g_csDebug);
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}
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//////////////////////////////
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// generic error logging API
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//
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VOID
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_DbgMsg(
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LPCSTR pszMsgFormat,
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...
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)
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{
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va_list vargs;
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CHAR szBuffer[1024]; // 1K buffer should be enough
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SPLASSERT(g_csDebugInitialized);
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EnterCriticalSection(&g_csDebug);
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va_start(vargs, pszMsgFormat);
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wvnsprintfA(szBuffer, sizeof(szBuffer)/sizeof(szBuffer[0]), pszMsgFormat, vargs);
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va_end(vargs);
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OutputDebugStringA(szBuffer);
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LeaveCriticalSection(&g_csDebug);
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}
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VOID
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_DbgWarnInvalid(
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PVOID pvObject,
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UINT uDbg,
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UINT uLine,
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LPCSTR pszFileA,
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LPCSTR pszModuleA
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)
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{
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DBGMSG(DBG_WARN, ("Invalid Object LastError = %d\nLine %d, %hs\n", GetLastError(), uLine, pszFileA));
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}
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HRESULT
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_DbgInit(
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VOID
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)
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{
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HRESULT hr = S_OK;
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__try
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{
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InitializeCriticalSection(&g_csDebug);
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g_csDebugInitialized = TRUE;
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}
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__except(EXCEPTION_EXECUTE_HANDLER)
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{
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hr = E_OUTOFMEMORY;
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}
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return hr;
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}
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HRESULT
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_DbgDone(
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VOID
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)
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{
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if( g_csDebugInitialized )
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{
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DeleteCriticalSection(&g_csDebug);
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}
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return S_OK;
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}
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VOID
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_DbgBreak(
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VOID
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)
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{
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// since we don't want to break in kd, we should
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// break only if a user mode debugger is present.
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if( IsDebuggerPresent() )
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{
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DebugBreak();
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}
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else
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{
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// take the process down
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int *p = NULL;
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*p = 42;
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}
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}
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#endif // DBG
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