/*

 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. 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

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#include "precompiled.hpp"

#include "runtime/arguments.hpp"

#include "runtime/os.hpp"

#include "runtime/thread.hpp"

#include "utilities/vmError.hpp"

void VMError::show_message_box(char *buf, int buflen) {

  bool yes;

  do {

    error_string(buf, buflen);

    int len = (int)strlen(buf);

    char *p = &buf[len];

    jio_snprintf(p, buflen - len,

               "\n\n"

               "Do you want to debug the problem?\n\n"

               "To debug, attach Visual Studio to process %d; then switch to thread 0x%x\n"

               "Select 'Yes' to launch Visual Studio automatically (PATH must include msdev)\n"

               "Otherwise, select 'No' to abort...",

               os::current_process_id(), os::current_thread_id());

    yes = os::message_box("Unexpected Error", buf) != 0;

    if (yes) {

      // yes, user asked VM to launch debugger

      //

      // os::breakpoint() calls DebugBreak(), which causes a breakpoint

      // exception. If VM is running inside a debugger, the debugger will

      // catch the exception. Otherwise, the breakpoint exception will reach

      // the default windows exception handler, which can spawn a debugger and

      // automatically attach to the dying VM.

      os::breakpoint();

      yes = false;

    }

  } while (yes);

}

int VMError::get_resetted_sigflags(int sig) {

  return -1;

}

address VMError::get_resetted_sighandler(int sig) {

  return NULL;

}

LONG WINAPI crash_handler(struct _EXCEPTION_POINTERS* exceptionInfo) {

  DWORD exception_code = exceptionInfo->ExceptionRecord->ExceptionCode;

  VMError err(NULL, exception_code, NULL,

                exceptionInfo->ExceptionRecord, exceptionInfo->ContextRecord);

  err.report_and_die();

  return EXCEPTION_CONTINUE_SEARCH;

}

void VMError::reset_signal_handlers() {

  SetUnhandledExceptionFilter(crash_handler);

}