winamp/Src/external_dependencies/openmpt-trunk/misc/WriteMemoryDump.h

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2024-09-24 12:54:57 +00:00
/*
* WriteMemoryDump.h
* -----------------
* Purpose: Code for writing memory dumps to a file.
* Notes : (currently none)
* Authors: OpenMPT Devs
* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
*/
#pragma once
#include "openmpt/all/BuildSettings.hpp"
#if MPT_COMPILER_MSVC
#pragma warning(push)
#pragma warning(disable:4091) // 'typedef ': ignored on left of '' when no variable is declared
#endif // MPT_COMPILER_MSVC
#include <dbghelp.h>
#if MPT_COMPILER_MSVC
#pragma warning(pop)
#endif // MPT_COMPILER_MSVC
OPENMPT_NAMESPACE_BEGIN
typedef BOOL (WINAPI *MINIDUMPWRITEDUMP)(HANDLE hProcess, DWORD dwPid, HANDLE hFile, MINIDUMP_TYPE DumpType,
CONST PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam,
CONST PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam,
CONST PMINIDUMP_CALLBACK_INFORMATION CallbackParam
);
static bool WriteMemoryDump(_EXCEPTION_POINTERS *pExceptionInfo, const TCHAR *filename, bool fullMemDump)
{
bool result = false;
HMODULE hDll = ::LoadLibrary(_T("DBGHELP.DLL"));
if (hDll)
{
MINIDUMPWRITEDUMP pDump = (MINIDUMPWRITEDUMP)::GetProcAddress(hDll, "MiniDumpWriteDump");
if (pDump)
{
HANDLE hFile = ::CreateFile(filename, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile != INVALID_HANDLE_VALUE)
{
_MINIDUMP_EXCEPTION_INFORMATION ExInfo;
if(pExceptionInfo)
{
ExInfo.ThreadId = ::GetCurrentThreadId();
ExInfo.ExceptionPointers = pExceptionInfo;
ExInfo.ClientPointers = NULL;
}
pDump(GetCurrentProcess(), GetCurrentProcessId(), hFile,
fullMemDump ?
(MINIDUMP_TYPE)(MiniDumpWithFullMemory | MiniDumpWithHandleData | MiniDumpWithThreadInfo | MiniDumpWithProcessThreadData | MiniDumpWithFullMemoryInfo
#if MPT_COMPILER_MSVC
| MiniDumpIgnoreInaccessibleMemory | MiniDumpWithTokenInformation
#endif
)
:
MiniDumpNormal,
pExceptionInfo ? &ExInfo : NULL, NULL, NULL);
::CloseHandle(hFile);
result = true;
}
}
::FreeLibrary(hDll);
}
return result;
}
OPENMPT_NAMESPACE_END