Leaked source code of windows server 2003
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/****************************************************************************
Copyright (c) 2000 Microsoft Corporation
Module Name:
dumprep.cpp
Abstract:
hang manager intermediate app
*** IMPORTANT NOTE: this links with the single threaded CRT static lib. If
it is changed to be multithreaded for some odd reason,
then the sources file must be modified to link to
libcmt.lib.
Revision History:
DerekM created 08/16/00
****************************************************************************/
/////////////////////////////////////////////////////////////////////////////
// tracing
#ifdef THIS_FILE
#undef THIS_FILE
#endif
static char __szTraceSourceFile[] = __FILE__;
#define THIS_FILE __szTraceSourceFile
#include "stdafx.h"
#include "malloc.h"
#include "faultrep.h"
#include "pfrcfg.h"
#include <shlwapi.h>
#include <strsafe.h>
enum EOp
{
eopNone = 0,
eopHang,
eopDump,
eopEvent
};
enum ECheckType
{
ctNone = -1,
ctKernel = 0,
ctUser,
ctShutdown,
ctNumChecks
};
struct SCheckData
{
LPCWSTR wszRegPath;
LPCWSTR wszRunVal;
LPCWSTR wszEventName;
LPCSTR szFnName;
BOOL fUseData;
BOOL fDelDump;
};
struct SQueuePruneData
{
LPWSTR wszVal;
FILETIME ftFault;
};
char *eopStr[] =
{
"eopNone",
"eopHang",
"eopDump",
"eopEvent"
};
//////////////////////////////////////////////////////////////////////////////
// constants
const char c_szKSFnName[] = "ReportEREventDW";
const char c_szUserFnName[] = "ReportFaultFromQueue";
SCheckData g_scd[ctNumChecks] =
{
{ c_wszRKKrnl, c_wszRVKFC, c_wszMutKrnlName, c_szKSFnName, FALSE, FALSE },
{ c_wszRKUser, c_wszRVUFC, c_wszMutUserName, c_szUserFnName, TRUE, TRUE },
{ c_wszRKShut, c_wszRVSEC, c_wszMutShutName, c_szKSFnName, FALSE, FALSE },
};
#define EV_ACCESS_ALL GENERIC_ALL | STANDARD_RIGHTS_ALL
#define EV_ACCESS_RS GENERIC_READ | SYNCHRONIZE
#define pfn_VALONLY pfn_REPORTEREVENTDW
#define pfn_VALDATA pfn_REPORTFAULTFROMQ
//////////////////////////////////////////////////////////////////////////////
// globals
BOOL g_fDeleteReg = TRUE;
//////////////////////////////////////////////////////////////////////////////
// misc
// **************************************************************************
LONG __stdcall ExceptionTrap(_EXCEPTION_POINTERS *ExceptionInfo)
{
return EXCEPTION_EXECUTE_HANDLER;
}
// **************************************************************************
HRESULT PruneQ(HKEY hkeyQ, DWORD cQSize, DWORD cMaxQSize, DWORD cchMaxVal,
DWORD cbMaxData)
{
USE_TRACING("PruneQ");
SQueuePruneData *pqpd = NULL;
FILETIME ft;
HRESULT hr = NOERROR;
LPWSTR pwsz, pwszCurrent = NULL;
DWORD cchVal, cbData, dwType, cToDel = 0, cInDelList = 0;
DWORD i, iEntry, dw, cValid = 0;
VALIDATEPARM(hr, (hkeyQ == NULL));
if (FAILED(hr))
goto done;
if (cMaxQSize > cQSize)
goto done;
// don't need to do a +1 here (as in user faults) because we're not going
// to add anything to the queue after this. This just ensures that we
// don't report too many things
cToDel = cQSize - cMaxQSize;
// alloc the various buffers that we'll need:
// the delete list
// the current file we're working with
// the data blob associated with the current file
cbData = (sizeof(SQueuePruneData) + (cchMaxVal * sizeof(WCHAR))) * cToDel;
pwszCurrent = (LPWSTR)MyAlloc(cchMaxVal * sizeof(WCHAR));
pqpd = (SQueuePruneData *)MyAlloc(cbData);
if (pwszCurrent == NULL || pqpd == NULL)
{
SetLastError(ERROR_OUTOFMEMORY);
hr = E_OUTOFMEMORY;
goto done;
}
// intiailize all the string pointers in the delete list
pwsz = (LPWSTR)((BYTE *)pqpd + (sizeof(SQueuePruneData) * cToDel));
for (i = 0; i < cToDel; i++)
{
pqpd[i].ftFault.dwHighDateTime = 0;
pqpd[i].ftFault.dwLowDateTime = 0;
pqpd[i].wszVal = pwsz;
pqpd[i].wszVal[0] = L'\0';
pwsz += cchMaxVal;
}
// ok, get a list of all the valid items and build an array in sorted order
// so that we can easily pick off the top n items
for(iEntry = 0; iEntry < cQSize; iEntry++)
{
cchVal = cchMaxVal;
cbData = sizeof(ft);
dw = RegEnumValueW(hkeyQ, iEntry, pwszCurrent, &cchVal, 0, &dwType,
(PBYTE)&ft, &cbData);
if (dw == ERROR_NO_MORE_ITEMS)
break;
else if (dw != ERROR_SUCCESS)
continue;
else if (dwType != REG_BINARY || cbData != sizeof(ft))
{
RegDeleteValueW(hkeyQ, pwszCurrent);
continue;
}
for (i = 0; i < cInDelList; i++)
{
if ((ft.dwHighDateTime < pqpd[i].ftFault.dwHighDateTime) ||
(ft.dwHighDateTime == pqpd[i].ftFault.dwHighDateTime &&
ft.dwLowDateTime < pqpd[i].ftFault.dwLowDateTime))
break;
}
// if it's in the middle of the current list, then we gotta move
// stuff around
if (cInDelList > 0 && i < cInDelList - 1)
{
LPWSTR pwszTemp = pqpd[cInDelList - 1].wszVal;
MoveMemory(&pqpd[i], &pqpd[i + 1],
(cInDelList - i) * sizeof(SQueuePruneData));
pqpd[i].wszVal = pwszTemp;
}
if (i < cToDel)
{
// note that this copy is safe cuz each string slot is the same
// size as the buffer pointed to by pwszCurrent and that buffer is
// protected from overflow by the size we pass into
// RegEnumValueW()
StringCbCopyW(pqpd[i].wszVal, cchMaxVal * sizeof(WCHAR), pwszCurrent);
pqpd[i].ftFault = ft;
if (cInDelList < cToDel)
cInDelList++;
}
cValid++;
}
// if there aren't enuf valid entries to warrant a purge, then don't purge
if (cValid < cMaxQSize)
goto done;
cToDel = MyMin(cToDel, cValid - cMaxQSize + 1);
// purge enuf entries that we go down to 1 below our max (since we have to
// be adding 1 to get here- don't want that 1 to drive us over the limit
for(i = 0; i < cToDel; i++)
{
if (pqpd[i].wszVal != NULL)
RegDeleteValueW(hkeyQ, pqpd[i].wszVal);
}
done:
if (pqpd != NULL)
MyFree(pqpd);
if (pwszCurrent != NULL)
MyFree(pwszCurrent);
return hr;
}
// **************************************************************************
HRESULT CheckQSizeAndPrune(HKEY hkeyQ)
{
USE_TRACING("CheckQueueSizeAndPrune");
CPFFaultClientCfg oCfg;
HRESULT hr = NOERROR;
DWORD cMaxQSize = 0, cDefMaxQSize = 10;
DWORD cQSize, cchMaxVal, cbMaxData, dwType;
DWORD cb, dw;
HKEY hkey = NULL;
VALIDATEPARM(hr, (hkeyQ == NULL));
if (FAILED(hr))
goto done;
// read the policy settings for UI and reporting
TESTHR(hr, oCfg.Read(eroPolicyRO));
cMaxQSize = oCfg.get_MaxUserQueueSize();
if (FAILED(hr))
{
cMaxQSize = cDefMaxQSize;
hr = NOERROR;
}
else
{
// there are other ways of disabling these reporting modes, so don't
// honor a like we would for user faults
if (cMaxQSize == 0)
cMaxQSize = 1;
// -1 means there is no limit
else if (cMaxQSize == (DWORD)-1)
{
hr = NOERROR;
goto done;
}
else if (cMaxQSize > c_cMaxQueue)
cMaxQSize = c_cMaxQueue;
}
__try
{
// determine what the Q size is.
TESTERR(hr, RegQueryInfoKey(hkeyQ, NULL, NULL, NULL, NULL, NULL, NULL,
&cQSize, &cchMaxVal, &cbMaxData, NULL, NULL));
if (SUCCEEDED(hr) && (cQSize >= cMaxQSize))
{
cchMaxVal++;
TESTHR(hr, PruneQ(hkeyQ, cQSize, cMaxQSize, cchMaxVal, cbMaxData));
}
else
{
hr = NOERROR;
}
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
}
done:
return hr;
}
// **************************************************************************
void DeleteQueuedEvents(HKEY hkey, LPWSTR wszVal, DWORD cchMaxVal,
ECheckType ct)
{
DWORD cchVal, dw;
HKEY hkeyRun = NULL;
HRESULT hr = NOERROR;
USE_TRACING("DeleteQueuedEvents");
VALIDATEPARM(hr, (hkey == NULL || wszVal == NULL));
if (FAILED(hr))
{
SetLastError(ERROR_INVALID_PARAMETER);
goto done;
}
for(;;)
{
cchVal = cchMaxVal;
dw = RegEnumValueW(hkey, 0, wszVal, &cchVal, NULL, NULL,
NULL, NULL);
if (dw != ERROR_SUCCESS && dw != ERROR_NO_MORE_ITEMS)
{
SetLastError(dw);
goto done;
}
if (dw == ERROR_NO_MORE_ITEMS)
break;
RegDeleteValueW(hkey, wszVal);
if (ct == ctUser)
DeleteFullAndTriageMiniDumps(wszVal);
}
// gotta delete our value out of the Run key so we don't run
// unnecessarily again...
dw = RegOpenKeyExW(HKEY_LOCAL_MACHINE, c_wszRKRun, 0,
KEY_ALL_ACCESS, &hkeyRun);
if (dw != ERROR_SUCCESS)
goto done;
RegDeleteValueW(hkeyRun, g_scd[ct].wszRunVal);
done:
if (hkeyRun != NULL)
RegCloseKey(hkeyRun);
return;
}
// **************************************************************************
void ReportEvents(HMODULE hmod, ECheckType ct)
{
CPFFaultClientCfg oCfg;
EFaultRepRetVal frrv;
pfn_VALONLY pfnVO = NULL;
pfn_VALDATA pfnVD = NULL;
EEventType eet = eetKernelFault;
HRESULT hr = NOERROR;
HANDLE hmut = NULL;
LPWSTR wszVal = NULL;
LPBYTE pbData = NULL, pbDataToUse = NULL;
EEnDis eedReport, eedUI;
DWORD cchVal = 0, cchMaxVal = 0, cbMaxData = 0, cVals = 0;
DWORD dw, cbData = 0, *pcbData = NULL, iRegRead = 0;
DWORD dwType;
HKEY hkey;
USE_TRACING("ReportEvents");
VALIDATEPARM(hr, ((ct <= ctNone && ct >= ctNumChecks) || hmod == NULL));
if (FAILED(hr))
return;
// assume hmod is valid cuz we do a check in wWinMain to make sure it is
// before calling this fn
if (g_scd[ct].fUseData)
pfnVD = (pfn_VALDATA)GetProcAddress(hmod, g_scd[ct].szFnName);
else
pfnVO = (pfn_VALONLY)GetProcAddress(hmod, g_scd[ct].szFnName);
VALIDATEPARM(hr, (pfnVD == NULL && pfnVO == NULL));
if (FAILED(hr))
return;
// read the policy settings for UI and reporting
TESTHR(hr, oCfg.Read(eroPolicyRO));
if (FAILED(hr))
return;
eedReport = oCfg.get_DoReport();
eedUI = oCfg.get_ShowUI();
if (eedUI != eedEnabled && eedUI != eedDisabled &&
eedUI != eedEnabledNoCheck)
eedUI = eedEnabled;
if (eedReport != eedEnabled && eedReport != eedDisabled)
eedReport = eedEnabled;
// only want one user at a time going thru this
hmut = OpenMutexW(SYNCHRONIZE, FALSE, g_scd[ct].wszEventName);
VALIDATEPARM(hr, (hmut == NULL));
if (FAILED(hr))
return;
// the default value above is eetKernelFault, so only need to change if
// it's a shutdown
if (ct == ctShutdown)
eet = eetShutdown;
__try
{
__try
{
// give this wait five minutes. If the code doesn't complete by
// then, then we're either held up by DW (which means an admin
// aleady passed thru here) or something has barfed and is holding
// the mutex.
dw = WaitForSingleObject(hmut, 300000);
if (dw != WAIT_OBJECT_0 && dw != WAIT_ABANDONED)
__leave;
dw = RegOpenKeyExW(HKEY_LOCAL_MACHINE, g_scd[ct].wszRegPath, 0,
KEY_ALL_ACCESS, &hkey);
if (dw != ERROR_SUCCESS)
__leave;
// make sure we only have a fixed number of errors to report.
if (ct == ctShutdown || ct == ctKernel)
CheckQSizeAndPrune(hkey);
// determine how big the valuename is & allocate a buffer for it
dw = RegQueryInfoKeyW(hkey, NULL, NULL, NULL, NULL, NULL, NULL,
&cVals, &cchMaxVal, &cbMaxData, NULL, NULL);
if (dw != ERROR_SUCCESS || cVals == 0 || cchMaxVal == 0)
__leave;
cchMaxVal++;
// get us some buffers to hold the data bits we're interested in...
wszVal = (LPWSTR)MyAlloc(cchMaxVal * sizeof(WCHAR));
if (wszVal == NULL)
__leave;
// if we're completely disabled, then nuke all the queued stuff
// and bail
if (eedUI == eedDisabled && eedReport == eedDisabled)
{
DeleteQueuedEvents(hkey, wszVal, cchMaxVal, ct);
__leave;
}
if (g_scd[ct].fUseData)
{
pbData = (LPBYTE) MyAlloc(cbMaxData);
if (pbData == NULL)
__leave;
pbDataToUse = pbData;
pcbData = &cbData;
}
iRegRead = 0;
do
{
HANDLE hFile = INVALID_HANDLE_VALUE;
cchVal = cchMaxVal;
cbData = cbMaxData;
dw = RegEnumValueW(hkey, iRegRead, wszVal, &cchVal, NULL,
&dwType, pbDataToUse, pcbData);
if (dw != ERROR_SUCCESS && dw != ERROR_NO_MORE_ITEMS)
__leave;
if (dw == ERROR_NO_MORE_ITEMS)
break;
// make sure that the file exists
hFile = CreateFileW(wszVal, GENERIC_READ,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, 0, NULL);
if (hFile == INVALID_HANDLE_VALUE)
{
BOOL fInc = TRUE;
if (GetLastError() == ERROR_FILE_NOT_FOUND ||
GetLastError() == ERROR_PATH_NOT_FOUND)
{
dw = RegDeleteValueW(hkey, wszVal);
if (dw == ERROR_SUCCESS ||
dw == ERROR_FILE_NOT_FOUND ||
dw == ERROR_PATH_NOT_FOUND)
fInc = FALSE;
}
if (fInc)
iRegRead++;
continue;
}
CloseHandle(hFile);
hFile = INVALID_HANDLE_VALUE;
if (g_scd[ct].fUseData)
{
// if the type isn't REG_BINARY, then someone wrote an
// invalid blob to the registry. We have to ignore it.
if (dwType == REG_BINARY)
frrv = (*pfnVD)(wszVal, pbData, cbData);
else
{
SetLastError(ERROR_INVALID_PARAMETER);
frrv = frrvOk;
}
}
else
{
frrv = (*pfnVO)(eet, wszVal, NULL);
}
// if the call succeeds (or the data we fed to it was invalid)
// then nuke the reg key & dump file
if (GetLastError() == ERROR_INVALID_PARAMETER ||
(g_fDeleteReg && frrv == frrvOk))
{
dw = RegDeleteValueW(hkey, wszVal);
if (dw != ERROR_SUCCESS && dw != ERROR_FILE_NOT_FOUND &&
dw != ERROR_PATH_NOT_FOUND)
{
iRegRead++;
continue;
}
if (g_scd[ct].fDelDump && g_fDeleteReg)
DeleteFullAndTriageMiniDumps(wszVal);
}
#if 0
// if we timed out, then clean up the reg key. If this is the
// last report we're gonna make, also clean up the Run key
else if (g_fDeleteReg && frrv == frrvErrTimeout)
{
RegDeleteValueW(hkey, wszVal);
dw = RegQueryInfoKeyW(hkey, NULL, NULL, NULL, NULL, NULL, NULL,
&cVals, NULL, NULL, NULL, NULL);
if (dw != ERROR_SUCCESS || cVals > 0)
__leave;
else
break;
}
#endif
else
{
// don't delete the Run key if we got an error and didn't
// delete the fault key
if (frrv != frrvOk)
__leave;
}
}
while(1);
RegCloseKey(hkey);
hkey = NULL;
// gotta delete our value out of the Run key so we don't run
// unnecessarily again...
dw = RegOpenKeyExW(HKEY_LOCAL_MACHINE, c_wszRKRun, 0,
KEY_ALL_ACCESS, &hkey);
if (dw != ERROR_SUCCESS)
__leave;
RegDeleteValueW(hkey, g_scd[ct].wszRunVal);
}
__finally
{
}
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
}
if (hmut != NULL)
{
ReleaseMutex(hmut);
CloseHandle(hmut);
}
if (hkey != NULL)
RegCloseKey(hkey);
if (pbData != NULL)
MyFree(pbData);
if (wszVal != NULL)
MyFree(wszVal);
}
//////////////////////////////////////////////////////////////////////////////
// wmain
// **************************************************************************
int __cdecl wmain(int argc, WCHAR **argv)
{
EFaultRepRetVal frrv = frrvErrNoDW;
SMDumpOptions smdo, *psmdo = &smdo;
ECheckType ct = ctNone;
HMODULE hmod = NULL;
HANDLE hevNotify = NULL, hproc = NULL, hmem = NULL;
LPWSTR wszDump = NULL;
WCHAR wszMod[MAX_PATH];
WCHAR wszCmdLine[MAX_PATH];
DWORD dwpid, dwtid;
BOOL f64bit = FALSE;
int i;
EOp eop = eopNone;
HRESULT hr = NOERROR;
// we don't want to have any faults get trapped anywhere.
SetErrorMode(SEM_NOGPFAULTERRORBOX | SEM_NOALIGNMENTFAULTEXCEPT |
SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
SetUnhandledExceptionFilter(ExceptionTrap);
INIT_TRACING
USE_TRACING("DumpRep.wmain");
VALIDATEPARM(hr, (argc < 2 || argc > 8));
if (FAILED(hr))
goto done;
dwpid = _wtol(argv[1]);
ZeroMemory(&smdo, sizeof(smdo));
for (i = 2; i < argc; i++)
{
if (argv[i][0] != L'-')
continue;
switch(argv[i][1])
{
// debug flag to prevent deletion of reg entries
case L'E':
case L'e':
#if defined(NO_WAY_DEBUG) || defined(NO_WAY__DEBUG)
g_fDeleteReg = FALSE;
#endif
break;
// user or kernel faults or shutdowns
case L'K':
case L'k':
case L'U':
case L'u':
case L'S':
case L's':
if (eop != eopNone)
goto done;
eop = eopEvent;
ErrorTrace(0, " eopEvent = %S", argv[i] );
// to workaround the desktop hanging while all Run processes
// do their thing, we spawn a another copy of ourselves and
// immediately exit.
if (argv[i][2] != L'G' && argv[i][2] != L'g')
{
PROCESS_INFORMATION pi;
STARTUPINFOW si;
PWCHAR pFileName;
if (GetModuleFileNameW(NULL, wszMod, sizeofSTRW(wszMod)) == 0)
{
goto done;
}
// Now create commandline to be passed to CreateProcessW
if (!(pFileName = wcschr(wszMod,L'\\')))
{
pFileName = wszMod;
}
StringCbCopyW(wszCmdLine, sizeof(wszCmdLine), pFileName);
if (argv[i][1] == L'K' || argv[i][1] == L'k')
StringCbCatW(wszCmdLine, sizeof(wszMod), L" 0 -KG");
else if (argv[i][1] == L'U' || argv[i][1] == L'u')
StringCbCatW(wszCmdLine, sizeof(wszMod), L" 0 -UG");
else
StringCbCatW(wszCmdLine, sizeof(wszMod), L" 0 -SG");
ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
ErrorTrace(0, " spawning \'%S\'", wszCmdLine );
if (CreateProcessW(wszMod, wszCmdLine, NULL, NULL, FALSE, 0, NULL,
NULL, &si, &pi))
{
CloseHandle(pi.hThread);
CloseHandle(pi.hProcess);
}
goto done;
}
else
{
if (argv[i][1] == L'K' || argv[i][1] == L'k')
ct = ctKernel;
else if (argv[i][1] == L'U' || argv[i][1] == L'u')
ct = ctUser;
else
ct = ctShutdown;
}
break;
// hangs
case L'H':
case L'h':
if (i + 1 >= argc || eop != eopNone)
goto done;
eop = eopHang;
#ifdef _WIN64
if (argv[i][2] == L'6')
f64bit = TRUE;
#endif
dwtid = _wtol(argv[++i]);
if (argc > i + 1)
{
hevNotify = OpenEventW(EVENT_MODIFY_STATE | SYNCHRONIZE,
FALSE, argv[++i]);
}
break;
// dumps
case L'D':
case L'd':
if (i + 3 >= argc || wszDump != NULL || eop != eopNone)
goto done;
eop = eopDump;
ZeroMemory(&smdo, sizeof(smdo));
smdo.ulMod = _wtol(argv[++i]);
smdo.ulThread = _wtol(argv[++i]);
wszDump = argv[++i];
if (argv[i - 3][2] == L'T' || argv[i - 3][2] == L't')
{
if (i + 1 >= argc)
goto done;
smdo.dwThreadID = _wtol(argv[++i]);
smdo.dfOptions = dfFilterThread;
}
else if (argv[i - 3][2] == L'S' || argv[i - 3][2] == L's')
{
if (i + 2 >= argc)
goto done;
smdo.dwThreadID = _wtol(argv[++i]);
smdo.ulThreadEx = _wtol(argv[++i]);
smdo.dfOptions = dfFilterThreadEx;
}
else if (argv[i - 3][2] == L'M' || argv[i - 3][2] == L'm')
{
HANDLE hmemRemote = NULL;
LPVOID pvMem = NULL;
LPWSTR wszShareSdmoName;
if (i + 1 >= argc)
goto done;
hproc = OpenProcess(PROCESS_ALL_ACCESS, FALSE, dwpid);
if (hproc == NULL)
{
DWORD dwAwShit = GetLastError();
goto done;
}
#ifdef _WIN64
// hmemRemote = (HANDLE)_wtoi64(argv[++i]);
#else
// hmemRemote = (HANDLE)_wtol(argv[++i]);
#endif
wszShareSdmoName = argv[++i];
if (wszShareSdmoName == NULL)
{
goto done;
}
hmem = OpenFileMappingW(FILE_MAP_WRITE,
FALSE,
wszShareSdmoName);
if ((hmem == NULL) ||
(hmem == INVALID_HANDLE_VALUE))
{
DWORD dwAwShit = GetLastError();
goto done;
}
pvMem = MapViewOfFile(hmem, FILE_MAP_WRITE,
0, 0, 0);
if (pvMem == NULL)
goto done;
psmdo = (SMDumpOptions *)pvMem;
}
break;
default:
goto done;
}
}
ErrorTrace(0, " eop = %s", eopStr[eop]);
// if we didn't get an operation, no point in doing anything else...
if (eop == eopNone)
goto done;
if (GetSystemDirectoryW(wszMod, sizeofSTRW(wszMod)) == 0)
{
goto done;
}
StringCbCatW(wszMod, sizeof(wszMod), L"\\faultrep.dll");
hmod = LoadLibraryExW(wszMod, NULL, 0);
VALIDATEPARM(hr, (hmod == NULL));
if (FAILED(hr))
goto done;
switch(eop)
{
// user or kernel faults:
case eopEvent:
ReportEvents(hmod, ct);
break;
// dumps
case eopDump:
{
pfn_CREATEMINIDUMPW pfnCM;
VALIDATEPARM(hr, (wszDump == NULL));
if (FAILED(hr))
goto done;
pfnCM = (pfn_CREATEMINIDUMPW)GetProcAddress(hmod,
"CreateMinidumpW");
VALIDATEPARM(hr, (pfnCM == NULL));
if (SUCCEEDED(hr))
frrv = (*pfnCM)(dwpid, wszDump, psmdo) ? frrvOk : frrvErr;
break;
}
// hangs
case eopHang:
{
pfn_REPORTHANG pfnRH;
pfnRH = (pfn_REPORTHANG)GetProcAddress(hmod, "ReportHang");
VALIDATEPARM(hr, (pfnRH == NULL));
if (SUCCEEDED(hr))
frrv = (*pfnRH)(dwpid, dwtid, f64bit, hevNotify);
break;
}
// err, shouldn't get here
default:
break;
}
done:
if (hmod != NULL)
FreeLibrary(hmod);
if (hproc != NULL)
CloseHandle(hproc);
if (hmem != NULL)
CloseHandle(hmem);
if (hevNotify != NULL)
CloseHandle(hevNotify);
if (psmdo != NULL && psmdo != &smdo)
UnmapViewOfFile((LPVOID)psmdo);
return frrv;
}