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142 lines
3.9 KiB
142 lines
3.9 KiB
//+----------------------------------------------------------------------------
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//
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// File: debugimpl.cpp
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//
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// Module: Network Load Balancing
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//
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// Synopsis: Provide the functionality of ASSERT
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// The build enviorment does not allow to have a source file from another directory
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// Include this cpp file directly.
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// Another approach is to have a shared lib.
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//
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// Copyright (C) Microsoft Corporation. All rights reserved.
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//
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// Author: fengsun Created 8/3/98
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//
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//+----------------------------------------------------------------------------
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#include "precomp.h"
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#include "debug.h"
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#include <strsafe.h>
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#if ( defined(DEBUG) || defined(_DEBUG) || defined (DBG))
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#ifndef MB_SERVICE_NOTIFICATION
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#define MB_SERVICE_NOTIFICATION 0
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#endif
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static long dwAssertCount = 0; // Avoid another assert while the messagebox is up
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//+----------------------------------------------------------------------------
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//
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// Function: AssertMessage
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//
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// Synopsis: Popup a message box for asserting failure. Has three options:
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// ignore/debug/abort.
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//
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// Arguments: const char *pszFile - File name
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// unsigned nLine - Line number
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// const char *pszMsg - Message in the dialog box
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//
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// Returns: Nothing
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//
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// History: fengsun Created Header 8/3/98
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//
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//+----------------------------------------------------------------------------
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extern "C" void AssertMessageW(const TCHAR *pszFile, unsigned nLine, const TCHAR *pszMsg)
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{
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TCHAR szOutput[1024];
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//
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// Ignore return value of StringCchPrintf since it will truncate the buffer and
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// guarantees to null-terminate it for us.
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//
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(VOID) StringCchPrintf(szOutput, ASIZECCH(szOutput), TEXT("%s(%u) - %s\n"), pszFile, nLine, pszMsg);
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OutputDebugString(szOutput);
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(VOID) StringCchPrintf(szOutput, ASIZECCH(szOutput), TEXT("%s(%u) - %s\n( Press Retry to debug )"), pszFile, nLine, pszMsg);
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int nCode = IDIGNORE;
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//
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// If there is no Assertion messagebox, popup one
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//
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if (dwAssertCount <2 )
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{
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dwAssertCount++;
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//
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// Title format: Assertion Failed - hello.dll
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//
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//
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// Find the base address of this module.
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//
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MEMORY_BASIC_INFORMATION mbi;
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mbi.AllocationBase = NULL; // current process by if VirtualQuery failed
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VirtualQuery(
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AssertMessageW, // any pointer with in the module
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&mbi,
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sizeof(mbi) );
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//
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// Get the module filename.
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//
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WCHAR szFileName[MAX_PATH + 1];
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szFileName[0] = L'\0'; // in case of failure
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if (GetModuleFileNameW(
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(HINSTANCE)mbi.AllocationBase,
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szFileName,
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MAX_PATH ) == 0)
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{
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szFileName[0] = L'\0';
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}
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//
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// Get the filename out of the full path
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//
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for (int i=lstrlen(szFileName);i != 0 && szFileName[i-1] != L'\\'; i--)
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;
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WCHAR szTitle[48];
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if (StringCchCopy(szTitle, ASIZECCH(szTitle), L"Assertion Failed - ") == S_OK)
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{
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(VOID) StringCchCat(szTitle, ASIZECCH(szTitle), szFileName+i);
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}
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nCode = MessageBoxEx(NULL,szOutput,szTitle,
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MB_TOPMOST | MB_ICONHAND | MB_ABORTRETRYIGNORE | MB_SERVICE_NOTIFICATION,LANG_USER_DEFAULT);
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dwAssertCount--;
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}
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if (nCode == IDIGNORE)
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{
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return; // ignore
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}
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else if (nCode == IDRETRY)
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{
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#ifdef _X86_
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//
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// break into the debugger .
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// Step out of this fuction to get to your ASSERT() code
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//
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_asm { int 3 };
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#else
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DebugBreak();
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#endif
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return; // ignore and continue in debugger to diagnose problem
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}
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// else fall through and call Abort
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ExitProcess((DWORD)-1);
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}
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#endif //_DEBUG
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