1HEADmaster

1 files changed, 61 insertions, 0 deletions

diff --git a/utils/common/tools_minidump.cpp b/utils/common/tools_minidump.cpp
new file mode 100644
index 0000000..a765920
--- /dev/null
+++ b/utils/common/tools_minidump.cpp
@@ -0,0 +1,61 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include <windows.h>
+#include <dbghelp.h>
+#include "tier0/minidump.h"
+#include "tools_minidump.h"
+
+static bool g_bToolsWriteFullMinidumps = false;
+static ToolsExceptionHandler g_pCustomExceptionHandler = NULL;
+
+
+// --------------------------------------------------------------------------------- //
+// Internal helpers.
+// --------------------------------------------------------------------------------- //
+
+static LONG __stdcall ToolsExceptionFilter( struct _EXCEPTION_POINTERS *ExceptionInfo )
+{
+	// Non VMPI workers write a minidump and show a crash dialog like normal.
+	int iType = MiniDumpNormal;
+	if ( g_bToolsWriteFullMinidumps )
+		iType = MiniDumpWithDataSegs | MiniDumpWithIndirectlyReferencedMemory;
+		
+	WriteMiniDumpUsingExceptionInfo( ExceptionInfo->ExceptionRecord->ExceptionCode, ExceptionInfo, (MINIDUMP_TYPE)iType );
+	return EXCEPTION_CONTINUE_SEARCH;
+}
+
+
+static LONG __stdcall ToolsExceptionFilter_Custom( struct _EXCEPTION_POINTERS *ExceptionInfo )
+{
+	// Run their custom handler.
+	g_pCustomExceptionHandler( ExceptionInfo->ExceptionRecord->ExceptionCode, ExceptionInfo );
+	return EXCEPTION_EXECUTE_HANDLER; // (never gets here anyway)
+}
+
+
+// --------------------------------------------------------------------------------- //
+// Interface functions.
+// --------------------------------------------------------------------------------- //
+
+void EnableFullMinidumps( bool bFull )
+{
+	g_bToolsWriteFullMinidumps = bFull;
+}
+
+
+void SetupDefaultToolsMinidumpHandler()
+{
+	SetUnhandledExceptionFilter( ToolsExceptionFilter );
+}
+
+
+void SetupToolsMinidumpHandler( ToolsExceptionHandler fn )
+{
+	g_pCustomExceptionHandler = fn;
+	SetUnhandledExceptionFilter( ToolsExceptionFilter_Custom );
+}