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6918421: 1/1 in-process JVM now ignores preset Windows unhandled exception filter

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Add support for chaining Windows UnhandledExceptionFilter handlers

Reviewed-by: kamg, dholmes, never, acorn, ikrylov
This commit is contained in:
Daniel D. Daugherty 2010-02-02 10:37:32 -07:00
parent a5e58e8d53
commit 54c04bca93
1 changed files with 14 additions and 3 deletions
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17
hotspot/src/os/windows/vm/os_windows.cpp
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@ -1,5 +1,5 @@
/*
* Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 1997-2010 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -142,6 +142,9 @@ void os::run_periodic_checks() {
}
#ifndef _WIN64
// previous UnhandledExceptionFilter, if there is one
static LPTOP_LEVEL_EXCEPTION_FILTER prev_uef_handler = NULL;
LONG WINAPI Handle_FLT_Exception(struct _EXCEPTION_POINTERS* exceptionInfo);
#endif
void os::init_system_properties_values() {
@ -260,7 +263,8 @@ void os::init_system_properties_values() {
}
#ifndef _WIN64
SetUnhandledExceptionFilter(Handle_FLT_Exception);
// set our UnhandledExceptionFilter and save any previous one
prev_uef_handler = SetUnhandledExceptionFilter(Handle_FLT_Exception);
#endif
// Done
@ -1909,7 +1913,7 @@ LONG Handle_IDiv_Exception(struct _EXCEPTION_POINTERS* exceptionInfo) {
#ifndef _WIN64
//-----------------------------------------------------------------------------
LONG WINAPI Handle_FLT_Exception(struct _EXCEPTION_POINTERS* exceptionInfo) {
// handle exception caused by native mothod modifying control word
// handle exception caused by native method modifying control word
PCONTEXT ctx = exceptionInfo->ContextRecord;
DWORD exception_code = exceptionInfo->ExceptionRecord->ExceptionCode;
@ -1930,6 +1934,13 @@ LONG WINAPI Handle_FLT_Exception(struct _EXCEPTION_POINTERS* exceptionInfo) {
return EXCEPTION_CONTINUE_EXECUTION;
}
}
if (prev_uef_handler != NULL) {
// We didn't handle this exception so pass it to the previous
// UnhandledExceptionFilter.
return (prev_uef_handler)(exceptionInfo);
}
return EXCEPTION_CONTINUE_SEARCH;
}
#else //_WIN64