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src/os/windows/vm/vmError_windows.cpp@4b7cf00ccb08 (annotated)

src/os/windows/vm/vmError_windows.cpp

Fri, 05 Apr 2013 11:15:13 -0700

author

ccheung

date

Fri, 05 Apr 2013 11:15:13 -0700

changeset 4893

4b7cf00ccb08

parent 2314

f95d63e2154a

child 6876

710a3c8b516e

permissions

-rw-r--r--

8006001: [parfait] Possible file leak in hotspot/src/os/linux/vm/perfMemory_linux.cpp
Reviewed-by: zgu, coleenp, hseigel, dholmes

duke@435	1	/*
stefank@2314	2	* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#include "precompiled.hpp"
stefank@2314	26	#include "runtime/arguments.hpp"
stefank@2314	27	#include "runtime/os.hpp"
stefank@2314	28	#include "runtime/thread.hpp"
stefank@2314	29	#include "utilities/vmError.hpp"
duke@435	30
duke@435	31
duke@435	32	void VMError::show_message_box(char *buf, int buflen) {
duke@435	33	bool yes;
duke@435	34	do {
duke@435	35	error_string(buf, buflen);
duke@435	36	int len = (int)strlen(buf);
duke@435	37	char *p = &buf[len];
duke@435	38
duke@435	39	jio_snprintf(p, buflen - len,
duke@435	40	"\n\n"
duke@435	41	"Do you want to debug the problem?\n\n"
duke@435	42	"To debug, attach Visual Studio to process %d; then switch to thread 0x%x\n"
duke@435	43	"Select 'Yes' to launch Visual Studio automatically (PATH must include msdev)\n"
duke@435	44	"Otherwise, select 'No' to abort...",
duke@435	45	os::current_process_id(), os::current_thread_id());
duke@435	46
duke@435	47	yes = os::message_box("Unexpected Error", buf) != 0;
duke@435	48
duke@435	49	if (yes) {
duke@435	50	// yes, user asked VM to launch debugger
duke@435	51	//
duke@435	52	// os::breakpoint() calls DebugBreak(), which causes a breakpoint
duke@435	53	// exception. If VM is running inside a debugger, the debugger will
duke@435	54	// catch the exception. Otherwise, the breakpoint exception will reach
duke@435	55	// the default windows exception handler, which can spawn a debugger and
duke@435	56	// automatically attach to the dying VM.
duke@435	57	os::breakpoint();
duke@435	58	yes = false;
duke@435	59	}
duke@435	60	} while (yes);
duke@435	61	}
duke@435	62
duke@435	63	int VMError::get_resetted_sigflags(int sig) {
duke@435	64	return -1;
duke@435	65	}
duke@435	66
duke@435	67	address VMError::get_resetted_sighandler(int sig) {
duke@435	68	return NULL;
duke@435	69	}
duke@435	70
duke@435	71	LONG WINAPI crash_handler(struct _EXCEPTION_POINTERS* exceptionInfo) {
duke@435	72	DWORD exception_code = exceptionInfo->ExceptionRecord->ExceptionCode;
duke@435	73	VMError err(NULL, exception_code, NULL,
duke@435	74	exceptionInfo->ExceptionRecord, exceptionInfo->ContextRecord);
duke@435	75	err.report_and_die();
duke@435	76	return EXCEPTION_CONTINUE_SEARCH;
duke@435	77	}
duke@435	78
duke@435	79	void VMError::reset_signal_handlers() {
duke@435	80	SetUnhandledExceptionFilter(crash_handler);
duke@435	81	}