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.
856 lines
41 KiB
856 lines
41 KiB
/**MOD+**********************************************************************/
|
|
/* Module: wtrcint.c */
|
|
/* */
|
|
/* Purpose: Internal tracing functions - Windows specific. */
|
|
/* */
|
|
/* Copyright(C) Microsoft Corporation 1997 */
|
|
/* */
|
|
/****************************************************************************/
|
|
/** Changes:
|
|
* $Log: Y:/logs/trc/wtrcint.c_v $
|
|
*
|
|
* Rev 1.10 22 Aug 1997 15:11:48 SJ
|
|
* SFR1291: Win16 Trace DLL doesn't write integers to ini file properly
|
|
*
|
|
* Rev 1.9 09 Jul 1997 18:03:42 AK
|
|
* SFR1016: Initial changes to support Unicode
|
|
*
|
|
* Rev 1.8 03 Jul 1997 13:29:04 AK
|
|
* SFR0000: Initial development completed
|
|
**/
|
|
/**MOD-**********************************************************************/
|
|
|
|
/****************************************************************************/
|
|
/* */
|
|
/* INCLUDES */
|
|
/* */
|
|
/****************************************************************************/
|
|
#include <adcg.h>
|
|
|
|
/****************************************************************************/
|
|
/* Define TRC_FILE and TRC_GROUP. */
|
|
/****************************************************************************/
|
|
#define TRC_FILE "wtrcint"
|
|
#define TRC_GROUP TRC_GROUP_TRACE
|
|
|
|
/****************************************************************************/
|
|
/* Trace specific includes. */
|
|
/* */
|
|
/* Note that including atrcapi.h automatically includes wtrcapi.h for us. */
|
|
/****************************************************************************/
|
|
#include <atrcapi.h>
|
|
#include <atrcint.h>
|
|
#include <wtrcrc.h>
|
|
|
|
#include <ndcgver.h>
|
|
|
|
/****************************************************************************/
|
|
/* */
|
|
/* DATA */
|
|
/* */
|
|
/****************************************************************************/
|
|
#define DC_INCLUDE_DATA
|
|
#include <atrcdata.c>
|
|
#undef DC_INCLUDE_DATA
|
|
|
|
/****************************************************************************/
|
|
/* */
|
|
/* FUNCTIONS */
|
|
/* */
|
|
/****************************************************************************/
|
|
|
|
/****************************************************************************/
|
|
/* FUNCTION: TRCGetModuleFileName(...) */
|
|
/* */
|
|
/* DESCRIPTION: */
|
|
/* ============ */
|
|
/* This function gets the DLL module file name, without path or extension. */
|
|
/* Global trchModule must contain the library module handle (WIN32) or */
|
|
/* instance handle (WIN16). */
|
|
/* */
|
|
/* PARAMETERS: */
|
|
/* =========== */
|
|
/* pModuleName : address of buffer into which the module name is written. */
|
|
/* */
|
|
/* RETURNS: */
|
|
/* ======== */
|
|
/* DC_RC_OK is successful, error code otherwise. */
|
|
/* */
|
|
/****************************************************************************/
|
|
DCUINT DCINTERNAL TRCGetModuleFileName(PDCTCHAR pModuleName,
|
|
UINT cchModuleName)
|
|
{
|
|
DCINT rc = DC_RC_OK;
|
|
PDCTCHAR pTemp;
|
|
PDCTCHAR pName;
|
|
DCTCHAR pModuleFileName[TRC_FILE_NAME_SIZE];
|
|
HRESULT hr;
|
|
|
|
/************************************************************************/
|
|
/* Get the trace DLL module file name. We use this later when we get a */
|
|
/* stack trace. */
|
|
/************************************************************************/
|
|
if ( GetModuleFileName(trchModule,
|
|
pModuleFileName,
|
|
TRC_FILE_NAME_SIZE) != 0 )
|
|
{
|
|
pModuleFileName[TRC_FILE_NAME_SIZE-1] = 0;
|
|
/********************************************************************/
|
|
/* The module file name is currently in the form of a complete */
|
|
/* path - however we only want the actual module name. */
|
|
/********************************************************************/
|
|
pName = pModuleFileName;
|
|
pTemp = DC_TSTRCHR(pName, _T('\\'));
|
|
while (NULL != pTemp)
|
|
{
|
|
pName = pTemp + 1;
|
|
pTemp = DC_TSTRCHR(pName, _T('\\'));
|
|
}
|
|
|
|
/********************************************************************/
|
|
/* Now remove the file name extension - we do this by replacing */
|
|
/* the decimal point with a null. */
|
|
/********************************************************************/
|
|
pTemp = DC_TSTRCHR(pName, _T('.'));
|
|
if (NULL != pTemp)
|
|
{
|
|
*pTemp = _T('\0');
|
|
}
|
|
|
|
/********************************************************************/
|
|
/* Finally copy what remains into the caller's buffer */
|
|
/********************************************************************/
|
|
hr = StringCchCopy(pModuleName, cchModuleName, pName);
|
|
if (FAILED(hr)) {
|
|
rc = TRC_RC_IO_ERROR;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
rc = TRC_RC_IO_ERROR;
|
|
}
|
|
|
|
return(rc);
|
|
}
|
|
|
|
/**PROC+*********************************************************************/
|
|
/* Name: TRCAssertDlgProc */
|
|
/* */
|
|
/* Purpose: Dialog Proc for assert box */
|
|
/* */
|
|
/* Returns: TRUE / FALSE */
|
|
/* */
|
|
/* Params: IN usual Windows parameters */
|
|
/* */
|
|
/**PROC-*********************************************************************/
|
|
INT_PTR CALLBACK TRCAssertDlgProc(HWND hwndDlg,
|
|
UINT msg,
|
|
WPARAM wParam,
|
|
LPARAM lParam)
|
|
{
|
|
INT_PTR rc = FALSE;
|
|
RECT rect;
|
|
DCINT xPos;
|
|
DCINT yPos;
|
|
PDCTCHAR pText;
|
|
|
|
switch (msg)
|
|
{
|
|
case WM_INITDIALOG:
|
|
{
|
|
/****************************************************************/
|
|
/* Set the text */
|
|
/****************************************************************/
|
|
pText = (PDCTCHAR)lParam;
|
|
SetDlgItemText(hwndDlg, TRC_ID_TEXT, pText);
|
|
SetWindowText(hwndDlg, TRC_ASSERT_TITLE);
|
|
|
|
/****************************************************************/
|
|
/* Center on the screen, and set to topmost. */
|
|
/****************************************************************/
|
|
GetWindowRect(hwndDlg, &rect);
|
|
|
|
xPos = ( GetSystemMetrics(SM_CXSCREEN) -
|
|
(rect.right - rect.left)) / 2;
|
|
yPos = ( GetSystemMetrics(SM_CYSCREEN) -
|
|
(rect.bottom - rect.top)) / 2;
|
|
|
|
SetWindowPos(hwndDlg,
|
|
HWND_TOPMOST,
|
|
xPos, yPos,
|
|
rect.right - rect.left,
|
|
rect.bottom - rect.top,
|
|
SWP_NOACTIVATE);
|
|
rc = TRUE;
|
|
}
|
|
break;
|
|
|
|
case WM_COMMAND:
|
|
{
|
|
switch(DC_GET_WM_COMMAND_ID(wParam))
|
|
{
|
|
case IDABORT:
|
|
case IDRETRY:
|
|
case IDIGNORE:
|
|
{
|
|
PostMessage(hwndDlg,
|
|
WM_USER + DC_GET_WM_COMMAND_ID(wParam),
|
|
0, 0);
|
|
rc = TRUE;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
{
|
|
/********************************************************/
|
|
/* Ignore other messages */
|
|
/********************************************************/
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
case WM_CLOSE:
|
|
{
|
|
/****************************************************************/
|
|
/* If 'x' selected, treat as 'Ignore' */
|
|
/****************************************************************/
|
|
PostMessage(hwndDlg, WM_USER + IDIGNORE, 0, 0);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
{
|
|
/****************************************************************/
|
|
/* Ignore */
|
|
/****************************************************************/
|
|
}
|
|
break;
|
|
}
|
|
|
|
return(rc);
|
|
|
|
} /* TRCAssertDlgProc */
|
|
|
|
|
|
/****************************************************************************/
|
|
/* FUNCTION: TRCDisplayAssertBox(...) */
|
|
/* */
|
|
/* DESCRIPTION: */
|
|
/* ============ */
|
|
/* This function displays an assert box and then decides (based on the user */
|
|
/* action) whether to kill the thread, jump into a debugger or just ignore */
|
|
/* the assert. */
|
|
/* */
|
|
/* PARAMETERS: */
|
|
/* =========== */
|
|
/* pText : a pointer to the null-terminated assert text string. */
|
|
/* */
|
|
/* RETURNS: */
|
|
/* ======== */
|
|
/* Nothing. */
|
|
/* */
|
|
/****************************************************************************/
|
|
DCVOID DCINTERNAL TRCDisplayAssertBox(PDCTCHAR pText)
|
|
{
|
|
HWND hwndDlg;
|
|
MSG msg;
|
|
DCINT rc;
|
|
HRESULT hr;
|
|
TCHAR szFormattedText[TRC_FRMT_BUFFER_SIZE];
|
|
|
|
/************************************************************************/
|
|
/* If we are not currently displaying an assert dialog box then display */
|
|
/* one. This function will display an assert box and then handle the */
|
|
/* user action (i.e. whether we kill the thread, jump into the */
|
|
/* debugger or just ignore (!) the assert). */
|
|
/* */
|
|
/* Note that the testing and setting of the flag is not done under a */
|
|
/* mutex and therefore can potentially be preempted. There is */
|
|
/* therefore the possibility that multiple threads can assert */
|
|
/* simulataneously (a rare occurance) and thus we end up with multiple */
|
|
/* assert dialogs on the screen. However we avoid the cascading assert */
|
|
/* problem. */
|
|
/************************************************************************/
|
|
if (TEST_FLAG(trcpFilter->trcStatus, TRC_STATUS_ASSERT_DISPLAYED))
|
|
{
|
|
DC_QUIT;
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* Set the flag to indicate that an assert is currently displayed, */
|
|
/* display the assert and then clear the flag. */
|
|
/************************************************************************/
|
|
SET_FLAG(trcpFilter->trcStatus, TRC_STATUS_ASSERT_DISPLAYED);
|
|
|
|
/************************************************************************/
|
|
/* To prevent re-entrancy, do not use MessageBox. Create a dialog and */
|
|
/* use a message loop to handle this until it has been dismissed. Note */
|
|
/* that this will block the thread which issued the assert. */
|
|
/* Pass the assert text to the dialog's WM_INITDDIALOG callback. */
|
|
/************************************************************************/
|
|
hwndDlg = CreateDialogParam(trchModule,
|
|
MAKEINTRESOURCE(TRC_IDD_ASSERT),
|
|
NULL,
|
|
TRCAssertDlgProc,
|
|
(LPARAM)(pText));
|
|
|
|
if (hwndDlg == NULL)
|
|
{
|
|
/********************************************************************/
|
|
/* Use Message Box - but note that this will give reentrancy */
|
|
/* problems. Since the choice on this dialog is */
|
|
/* Abort/Retry/Ignore, we add an explanatory message to the effect */
|
|
/* that 'Retry' is really 'Debug'. */
|
|
/********************************************************************/
|
|
|
|
hr = StringCchPrintf(szFormattedText,
|
|
SIZE_TCHARS(szFormattedText),
|
|
_T("%s %s"),
|
|
pText,
|
|
TRC_ASSERT_TEXT2);
|
|
|
|
if (SUCCEEDED(hr)) {
|
|
rc = MessageBox(NULL,
|
|
pText,
|
|
TRC_ASSERT_TITLE,
|
|
MB_ABORTRETRYIGNORE | MB_ICONSTOP |
|
|
MB_SETFOREGROUND);
|
|
}
|
|
else {
|
|
DC_QUIT;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/********************************************************************/
|
|
/* Show the dialog. */
|
|
/********************************************************************/
|
|
ShowWindow(hwndDlg, SW_SHOW);
|
|
|
|
/********************************************************************/
|
|
/* Only pull off messages for this dialog. */
|
|
/********************************************************************/
|
|
while (GetMessage (&msg, hwndDlg, 0, 0))
|
|
{
|
|
TranslateMessage(&msg);
|
|
DispatchMessage(&msg);
|
|
|
|
/****************************************************************/
|
|
/* WM_USER + ID??? is used to terminate processing. */
|
|
/****************************************************************/
|
|
if (msg.message >= WM_USER)
|
|
{
|
|
/************************************************************/
|
|
/* finished */
|
|
/************************************************************/
|
|
EndDialog(hwndDlg, IDOK);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/********************************************************************/
|
|
/* Get the return code from the message ID */
|
|
/********************************************************************/
|
|
if (msg.message >= WM_USER)
|
|
{
|
|
rc = msg.message - WM_USER;
|
|
}
|
|
else
|
|
{
|
|
/****************************************************************/
|
|
/* WM_QUIT - treat as an Abort. */
|
|
/****************************************************************/
|
|
rc = IDABORT;
|
|
}
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* Now that the assert box is no more, clear the flag. */
|
|
/************************************************************************/
|
|
CLEAR_FLAG(trcpFilter->trcStatus, TRC_STATUS_ASSERT_DISPLAYED);
|
|
|
|
/************************************************************************/
|
|
/* Switch on the return code from MessageBox. */
|
|
/************************************************************************/
|
|
switch (rc)
|
|
{
|
|
case IDABORT:
|
|
{
|
|
/****************************************************************/
|
|
/* Abort selected - so exit the current thread. */
|
|
/****************************************************************/
|
|
TRCExitProcess(TRC_THREAD_EXIT);
|
|
}
|
|
break;
|
|
|
|
case IDRETRY:
|
|
{
|
|
/****************************************************************/
|
|
/* Retry selected - jump into the debugger if JIT (Just In */
|
|
/* Time) debugging is enabled. */
|
|
/****************************************************************/
|
|
DebugBreak();
|
|
}
|
|
break;
|
|
|
|
case IDIGNORE:
|
|
{
|
|
/****************************************************************/
|
|
/* Ignore selected - just blindly carry on... */
|
|
/****************************************************************/
|
|
}
|
|
break;
|
|
}
|
|
|
|
DC_EXIT_POINT:
|
|
return;
|
|
|
|
} /* TRCDisplayAssertBox */
|
|
|
|
/****************************************************************************/
|
|
/* FUNCTION: TRCInternalTrace(...) */
|
|
/* */
|
|
/* DESCRIPTION: */
|
|
/* ============ */
|
|
/* This function writes a string to the debugger on every process attach */
|
|
/* detach. Note that in general the mutex will not have been obtained */
|
|
/* when this function is called. */
|
|
/* */
|
|
/* The problem with this function is that DllMain will call this function */
|
|
/* every time a thread attaches / detaches at which point it has the */
|
|
/* process critical section. However we may be in the middle of a stack */
|
|
/* trace on another thread and holding the trace mutex. Stack tracing */
|
|
/* requires the process critical section while holding the trace mutex */
|
|
/* which deadlocks if DllMain is waiting on the trace mutex. */
|
|
/* */
|
|
/* PARAMETERS: */
|
|
/* =========== */
|
|
/* type : is this an process/thread attach/detach or a symbols */
|
|
/* loading/loaded/unloaded. */
|
|
/* */
|
|
/* RETURNS: */
|
|
/* ======== */
|
|
/* Nothing. */
|
|
/* */
|
|
/****************************************************************************/
|
|
DCVOID DCINTERNAL TRCInternalTrace(DCUINT32 type)
|
|
{
|
|
PDCTCHAR pStatus;
|
|
DC_DATE theDate;
|
|
DC_TIME theTime;
|
|
DCUINT32 processId;
|
|
DCUINT32 threadId;
|
|
DCUINT32 length;
|
|
DCTCHAR szOutputBuffer[TRC_FRMT_BUFFER_SIZE];
|
|
HRESULT hr;
|
|
|
|
/************************************************************************/
|
|
/* Determine whether this is an attach or a detach. */
|
|
/************************************************************************/
|
|
switch (type)
|
|
{
|
|
case TRC_TRACE_DLL_INITIALIZE:
|
|
{
|
|
pStatus = _T("Trace initialized");
|
|
}
|
|
break;
|
|
|
|
case TRC_TRACE_DLL_TERMINATE:
|
|
{
|
|
pStatus = _T("Trace terminated ");
|
|
}
|
|
break;
|
|
|
|
case TRC_PROCESS_ATTACH_NOTIFY:
|
|
{
|
|
pStatus = _T("Process attached ");
|
|
}
|
|
break;
|
|
|
|
case TRC_PROCESS_DETACH_NOTIFY:
|
|
{
|
|
pStatus = _T("Process detached ");
|
|
}
|
|
break;
|
|
|
|
case TRC_THREAD_ATTACH_NOTIFY:
|
|
{
|
|
pStatus = _T("Thread attached ");
|
|
}
|
|
break;
|
|
|
|
case TRC_THREAD_DETACH_NOTIFY:
|
|
{
|
|
pStatus = _T("Thread detached ");
|
|
}
|
|
break;
|
|
|
|
case TRC_SYMBOLS_LOADING_NOTIFY:
|
|
{
|
|
pStatus = _T("Loading symbols ");
|
|
}
|
|
break;
|
|
|
|
case TRC_SYMBOLS_LOADED_NOTIFY:
|
|
{
|
|
pStatus = _T("Symbols loaded ");
|
|
}
|
|
break;
|
|
|
|
case TRC_SYMBOLS_UNLOAD_NOTIFY:
|
|
{
|
|
pStatus = _T("Symbols freed ");
|
|
}
|
|
break;
|
|
|
|
case TRC_FILES_RESET:
|
|
{
|
|
pStatus = _T("Trace files reset");
|
|
}
|
|
break;
|
|
|
|
default:
|
|
{
|
|
pStatus = _T("Undefined ");
|
|
}
|
|
break;
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* Get the current date and time. */
|
|
/************************************************************************/
|
|
TRCGetCurrentDate(&theDate);
|
|
TRCGetCurrentTime(&theTime);
|
|
|
|
/************************************************************************/
|
|
/* Get our process and thread IDs. */
|
|
/************************************************************************/
|
|
processId = TRCGetCurrentProcessId();
|
|
threadId = TRCGetCurrentThreadId();
|
|
|
|
/************************************************************************/
|
|
/* Format the attach/detach string. */
|
|
/************************************************************************/
|
|
hr = StringCchPrintf(
|
|
szOutputBuffer,
|
|
SIZE_TCHARS(szOutputBuffer),
|
|
_T("### %s (") TRC_PROC_FMT _T(":") TRC_THRD_FMT _T(") at ")
|
|
_T("") TRC_TIME_FMT _T(" ") TRC_DATE_FMT _T(" ###\r\n"),
|
|
pStatus,
|
|
processId,
|
|
threadId,
|
|
theTime.hour,
|
|
theTime.min,
|
|
theTime.sec,
|
|
theTime.hundredths,
|
|
theDate.day,
|
|
theDate.month,
|
|
theDate.year
|
|
);
|
|
|
|
if (SUCCEEDED(hr)) {
|
|
/************************************************************************/
|
|
/* Now output this string to the debugger. We can't output this to */
|
|
/* file as we need to have the trace mutex to do that and we may not */
|
|
/* have the mutex. To avoid confusion we only write to the debugger. */
|
|
/************************************************************************/
|
|
length = DC_TSTRLEN(szOutputBuffer);
|
|
OutputDebugString(szOutputBuffer);
|
|
}
|
|
|
|
return;
|
|
|
|
} /* TRCInternalTrace */
|
|
|
|
/****************************************************************************/
|
|
/* FUNCTION: TRCMaybeSwapFile(...) */
|
|
/* */
|
|
/* DESCRIPTION: */
|
|
/* ============ */
|
|
/* This function checks if the current trace file has enough space to */
|
|
/* accomodate a string of the supplied length and, if not, makes the other */
|
|
/* trace file current. */
|
|
/* */
|
|
/* PARAMETERS: */
|
|
/* =========== */
|
|
/* length : length of the string. */
|
|
/* */
|
|
/* RETURNS: */
|
|
/* ======== */
|
|
/* Nothing. */
|
|
/* */
|
|
/****************************************************************************/
|
|
DCVOID DCINTERNAL TRCMaybeSwapFile(DCUINT length)
|
|
{
|
|
/************************************************************************/
|
|
/* If the length of the string plus the offset is greater than the */
|
|
/* length of the trace file then we need to swap trace files. */
|
|
/************************************************************************/
|
|
if ((trcpSharedData->trcOffset + length) > trcpConfig->maxFileSize)
|
|
{
|
|
/********************************************************************/
|
|
/* We need to swap trace files so set the offset to 0 and then */
|
|
/* flip the trace file. */
|
|
/********************************************************************/
|
|
trcpSharedData->trcOffset = 0;
|
|
trcpSharedData->trcIndicator++;
|
|
trcpSharedData->trcIndicator %= TRC_NUM_FILES;
|
|
|
|
/********************************************************************/
|
|
/* Now we need to reset the new trace file by blanking it out. */
|
|
/********************************************************************/
|
|
TRCBlankFile(trcpSharedData->trcIndicator);
|
|
}
|
|
|
|
DC_EXIT_POINT:
|
|
return;
|
|
|
|
} /* TRCOutputToFile */
|
|
|
|
/****************************************************************************/
|
|
/* FUNCTION: TRCReadProfInt(...) */
|
|
/* */
|
|
/* DESCRIPTION: */
|
|
/* ============ */
|
|
/* This reads a private profile integer from the registry. */
|
|
/* */
|
|
/* PARAMETERS: */
|
|
/* =========== */
|
|
/* pSection : section containing the entry to read */
|
|
/* pEntry : entry name of integer to retrieve */
|
|
/* pValue : buffer to return the entry in */
|
|
/* */
|
|
/* RETURNS: */
|
|
/* ======== */
|
|
/* 0 : success */
|
|
/* TRC_RC_IO_ERROR : I/O error. */
|
|
/* */
|
|
/****************************************************************************/
|
|
DCUINT DCINTERNAL TRCReadProfInt(PDCTCHAR pEntry,
|
|
PDCUINT32 pValue)
|
|
{
|
|
DCUINT rc = 0;
|
|
|
|
/************************************************************************/
|
|
/* First try to read the value from the current user section */
|
|
/************************************************************************/
|
|
rc = TRCReadEntry(HKEY_CURRENT_USER,
|
|
pEntry,
|
|
(PDCTCHAR)pValue,
|
|
sizeof(*pValue),
|
|
REG_DWORD);
|
|
if (0 != rc)
|
|
{
|
|
/********************************************************************/
|
|
/* Couldn't read the value from the current user section. Try to */
|
|
/* pick up a default value from the local machine section. */
|
|
/********************************************************************/
|
|
rc = TRCReadEntry(HKEY_LOCAL_MACHINE,
|
|
pEntry,
|
|
(PDCTCHAR)pValue,
|
|
sizeof(*pValue),
|
|
REG_DWORD);
|
|
if (0 != rc)
|
|
{
|
|
/****************************************************************/
|
|
/* There is nothing we can do so just fall through. */
|
|
/****************************************************************/
|
|
}
|
|
}
|
|
|
|
return(rc);
|
|
|
|
} /* TRCReadProfInt */
|
|
|
|
/****************************************************************************/
|
|
/* FUNCTION: TRCReadProfString(...) */
|
|
/* */
|
|
/* DESCRIPTION: */
|
|
/* ============ */
|
|
/* This reads a private profile string from registry. */
|
|
/* */
|
|
/* PARAMETERS: */
|
|
/* =========== */
|
|
/* pSection : section containing the entry to read. */
|
|
/* pEntry : entry name of string to retrieve (if NULL all entries */
|
|
/* in the section are returned). */
|
|
/* pBuffer : buffer to return the entry in. */
|
|
/* bufferSize : size of the buffer in bytes. */
|
|
/* */
|
|
/* RETURNS: */
|
|
/* ======== */
|
|
/* 0 : success. */
|
|
/* TRC_RC_IO_ERROR : I/O error. */
|
|
/* */
|
|
/****************************************************************************/
|
|
DCUINT DCINTERNAL TRCReadProfString(PDCTCHAR pEntry,
|
|
PDCTCHAR pBuffer,
|
|
DCINT16 bufferSize)
|
|
{
|
|
DCUINT rc = 0;
|
|
|
|
/************************************************************************/
|
|
/* First try to read the value from the current user section. */
|
|
/************************************************************************/
|
|
rc = TRCReadEntry(HKEY_CURRENT_USER,
|
|
pEntry,
|
|
pBuffer,
|
|
bufferSize,
|
|
REG_SZ);
|
|
if (0 != rc)
|
|
{
|
|
/********************************************************************/
|
|
/* Couldn't read the value from the current user section. Try to */
|
|
/* pick up a default value from the local machine section. */
|
|
/********************************************************************/
|
|
rc = TRCReadEntry(HKEY_LOCAL_MACHINE,
|
|
pEntry,
|
|
pBuffer,
|
|
bufferSize,
|
|
REG_SZ);
|
|
if (0 != rc)
|
|
{
|
|
/****************************************************************/
|
|
/* There is nothing we can do so just fall through. */
|
|
/****************************************************************/
|
|
}
|
|
}
|
|
|
|
return(rc);
|
|
|
|
} /* TRCReadProfString */
|
|
|
|
/****************************************************************************/
|
|
/* FUNCTION: TRCResetTraceFiles(...) */
|
|
/* */
|
|
/* DESCRIPTION: */
|
|
/* ============ */
|
|
/* This function resets the trace files. It nulls out both trace files */
|
|
/* and then resets the file offset to 0 and the file indicator to file 0. */
|
|
/* */
|
|
/* PARAMETERS: */
|
|
/* =========== */
|
|
/* None. */
|
|
/* */
|
|
/* RETURNS: */
|
|
/* ======== */
|
|
/* Nothing. */
|
|
/* */
|
|
/****************************************************************************/
|
|
DCVOID DCINTERNAL TRCResetTraceFiles(DCVOID)
|
|
{
|
|
DCUINT i;
|
|
|
|
/************************************************************************/
|
|
/* Blank out the trace files. Note that we must have the mutex at this */
|
|
/* point. */
|
|
/************************************************************************/
|
|
for (i = 0; i < TRC_NUM_FILES; i++)
|
|
{
|
|
TRCBlankFile(i);
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* Set the trace file indicator to file 0 and set the file offset to 0. */
|
|
/************************************************************************/
|
|
trcpSharedData->trcIndicator = 0;
|
|
trcpSharedData->trcOffset = 0;
|
|
|
|
/************************************************************************/
|
|
/* Output a debug string. */
|
|
/************************************************************************/
|
|
TRCInternalTrace(TRC_FILES_RESET);
|
|
|
|
} /* TRCResetTraceFiles */
|
|
|
|
/****************************************************************************/
|
|
/* FUNCTION: TRCWriteProfInt(...) */
|
|
/* */
|
|
/* DESCRIPTION: */
|
|
/* ============ */
|
|
/* This writes a private profile integer to the registry. */
|
|
/* */
|
|
/* PARAMETERS: */
|
|
/* =========== */
|
|
/* pSection : section containing the entry written */
|
|
/* pEntry : entry name of integer to write. If the entry does not */
|
|
/* exist it is created and if it is NULL the entire */
|
|
/* section is deleted. */
|
|
/* pValue : pointer to the integer to be written. If the pointer */
|
|
/* is NULL the entry is deleted. */
|
|
/* */
|
|
/* RETURNS: */
|
|
/* ======== */
|
|
/* 0 : success */
|
|
/* TRC_RC_IO_ERROR : I/O error. */
|
|
/* */
|
|
/****************************************************************************/
|
|
DCUINT DCINTERNAL TRCWriteProfInt(PDCTCHAR pEntry,
|
|
PDCUINT32 pValue)
|
|
{
|
|
DCUINT rc = 0;
|
|
|
|
/************************************************************************/
|
|
/* Write the entry to the current user section. */
|
|
/************************************************************************/
|
|
rc = TRCWriteEntry(HKEY_CURRENT_USER,
|
|
pEntry,
|
|
(PDCTCHAR)pValue,
|
|
sizeof(DCINT),
|
|
REG_DWORD);
|
|
if (0 != rc)
|
|
{
|
|
TRCDebugOutput(_T("Failed to write int"));
|
|
}
|
|
|
|
return(rc);
|
|
|
|
} /* TRCWriteProfInt */
|
|
|
|
/****************************************************************************/
|
|
/* FUNCTION: TRCWriteProfString(...) */
|
|
/* */
|
|
/* DESCRIPTION: */
|
|
/* ============ */
|
|
/* This writes a private profile string to the registry. */
|
|
/* */
|
|
/* PARAMETERS: */
|
|
/* =========== */
|
|
/* pSection : section containing the entry written */
|
|
/* pEntry : entry name of string to write. If the entry does not */
|
|
/* exist it is created and if it is NULL the entire */
|
|
/* section is deleted. */
|
|
/* pBuffer : buffer containing the entry. If the buffer is NULL */
|
|
/* the entry is deleted. */
|
|
/* */
|
|
/* RETURNS: */
|
|
/* ======== */
|
|
/* 0 : success */
|
|
/* TRC_RC_IO_ERROR : I/O error. */
|
|
/* */
|
|
/****************************************************************************/
|
|
DCUINT DCINTERNAL TRCWriteProfString(PDCTCHAR pEntry,
|
|
PDCTCHAR pBuffer)
|
|
{
|
|
DCUINT rc = 0;
|
|
|
|
/************************************************************************/
|
|
/* Write the entry to the current user section */
|
|
/************************************************************************/
|
|
rc = TRCWriteEntry(HKEY_CURRENT_USER,
|
|
pEntry,
|
|
pBuffer,
|
|
DC_TSTRBYTELEN(pBuffer),
|
|
REG_SZ);
|
|
if (0 != rc)
|
|
{
|
|
TRCDebugOutput(_T("Failed to write string"));
|
|
}
|
|
|
|
return(rc);
|
|
|
|
} /* TRCWriteProfString */
|
|
|
|
#include <ntrcint.c>
|
|
|