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2020-08-04 13:13:01 -04:00

115 lines
4.7 KiB
C

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================//
#ifndef MINIDUMP_H
#define MINIDUMP_H
#ifdef _WIN32
#pragma once
#endif
#include "tier0/platform.h"
// Set prefix to use for minidump files. If you don't set one, it is defaulted
// for you, using the current module name
PLATFORM_INTERFACE void SetMinidumpFilenamePrefix(const char *pszPrefix);
// Set comment to put into minidump file upon next call of WriteMiniDump. (Most
// common use is the assert text.)
PLATFORM_INTERFACE void SetMinidumpComment(const char *pszComment);
// writes out a minidump of the current stack trace with a unique filename
PLATFORM_INTERFACE void WriteMiniDump(const char *pszFilenameSuffix = NULL);
typedef void (*FnWMain)(int, tchar *[]);
typedef void (*FnVoidPtrFn)(void *);
#if defined(_WIN32) && !defined(_X360)
// calls the passed in function pointer and catches any exceptions/crashes
// thrown by it, and writes a minidump use from wmain() to protect the whole
// program
typedef void (*FnWMain)(int, tchar *[]);
typedef int (*FnWMainIntRet)(int, tchar *[]);
typedef void (*FnVoidPtrFn)(void *);
enum ECatchAndWriteMinidumpAction {
k_ECatchAndWriteMiniDumpAbort = 0,
k_ECatchAndWriteMiniDumpReThrow = 1,
k_ECatchAndWriteMiniDumpIgnore = 2,
};
PLATFORM_INTERFACE void CatchAndWriteMiniDump(FnWMain pfn, int argc,
tchar *argv[]); // action = Abort
PLATFORM_INTERFACE void CatchAndWriteMiniDumpForVoidPtrFn(
FnVoidPtrFn pfn, void *pv,
bool bExitQuietly); // action = abort if bExitQuietly, Rethrow otherwise
PLATFORM_INTERFACE void CatchAndWriteMiniDumpEx(
FnWMain pfn, int argc, tchar *argv[], ECatchAndWriteMinidumpAction eAction);
PLATFORM_INTERFACE int CatchAndWriteMiniDumpExReturnsInt(
FnWMainIntRet pfn, int argc, tchar *argv[],
ECatchAndWriteMinidumpAction eAction);
PLATFORM_INTERFACE void CatchAndWriteMiniDumpExForVoidPtrFn(
FnVoidPtrFn pfn, void *pv, ECatchAndWriteMinidumpAction eAction);
// Let's not include this. We'll use forwards instead.
//#include <dbghelp.h>
struct _EXCEPTION_POINTERS;
// Replaces the current function pointer with the one passed in.
// Returns the previously-set function.
// The function is called internally by WriteMiniDump() and
// CatchAndWriteMiniDump() The default is the built-in function that uses
// DbgHlp.dll's MiniDumpWriteDump function
typedef void (*FnMiniDump)(unsigned int uStructuredExceptionCode,
_EXCEPTION_POINTERS *pExceptionInfo,
const char *pszFilenameSuffix);
PLATFORM_INTERFACE FnMiniDump SetMiniDumpFunction(FnMiniDump pfn);
// Use this to write a minidump explicitly.
// Some of the tools choose to catch the minidump themselves instead of using
// CatchAndWriteMinidump so they can show their own dialog.
//
// ptchMinidumpFileNameBuffer if not-NULL should be a writable tchar buffer of
// length at least _MAX_PATH and on return will contain the name of the minidump
// file written. If ptchMinidumpFileNameBuffer is NULL the name of the minidump
// file written will not be available after the function returns.
//
PLATFORM_INTERFACE bool WriteMiniDumpUsingExceptionInfo(
unsigned int uStructuredExceptionCode, _EXCEPTION_POINTERS *pExceptionInfo,
int /* MINIDUMP_TYPE */ minidumpType, const char *pszFilenameSuffix = NULL,
tchar *ptchMinidumpFileNameBuffer = NULL);
// Call this to enable a handler for unhandled exceptions.
PLATFORM_INTERFACE void MinidumpSetUnhandledExceptionFunction(FnMiniDump pfn);
// Call this to prevent crashes in kernel callbacks such as window procs from
// being silently swallowed. We should always call this at startup.
PLATFORM_INTERFACE void EnableCrashingOnCrashes();
#endif // defined(_WIN32) && !defined(_X360)
//
// Minidump User Stream Info Comments.
//
// There currently is a single header string, and an array of 64 comment
// strings.
// MinidumpUserStreamInfoSetHeader() will set the single header string.
// MinidumpUserStreamInfoAppend() will round robin through and array and
//set the comment strings, overwriting old.
PLATFORM_INTERFACE void MinidumpUserStreamInfoSetHeader(const char *pFormat,
...);
PLATFORM_INTERFACE void MinidumpUserStreamInfoAppend(const char *pFormat, ...);
// Retrieve the StreamInfo strings.
// Index 0: header string
// Index 1..: comment string
// Returns NULL when you've reached the end of the comment string array
// Empty strings ("\0") can be returned if comment hasn't been set
PLATFORM_INTERFACE const char *MinidumpUserStreamInfoGet(int Index);
#endif // MINIDUMP_H