rev 12504 : 8166944: Hanging Error Reporting steps may lead to torn error logs.
Reviewed-by: cjplummer, dholmes
Summary: Interupt error reporting if reporting steps hang to enable subsequent reporting steps to run.
rev 12505 : [mq]: 8166944-Hanging-Error-Reporting-04

   1 /*
   2  * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "memory/filemap.hpp"
  27 #include "runtime/arguments.hpp"
  28 #include "runtime/os.hpp"
  29 #include "runtime/thread.hpp"
  30 #include "utilities/vmError.hpp"
  31 
  32 int VMError::get_resetted_sigflags(int sig) {
  33   return -1;
  34 }
  35 
  36 address VMError::get_resetted_sighandler(int sig) {
  37   return NULL;
  38 }
  39 
  40 LONG WINAPI crash_handler(struct _EXCEPTION_POINTERS* exceptionInfo) {
  41   DWORD exception_code = exceptionInfo->ExceptionRecord->ExceptionCode;
  42   VMError::report_and_die(NULL, exception_code, NULL, exceptionInfo->ExceptionRecord,
  43                           exceptionInfo->ContextRecord);
  44   return EXCEPTION_CONTINUE_SEARCH;
  45 }
  46 
  47 void VMError::reset_signal_handlers() {
  48   SetUnhandledExceptionFilter(crash_handler);
  49 }
  50 
  51 // Write a hint to the stream in case siginfo relates to a segv/bus error
  52 // and the offending address points into CDS archive.
  53 void VMError::check_failing_cds_access(outputStream* st, const void* siginfo) {
  54   if (siginfo && UseSharedSpaces) {
  55     const EXCEPTION_RECORD* const er = (const EXCEPTION_RECORD*)siginfo;
  56     if (er->ExceptionCode == EXCEPTION_IN_PAGE_ERROR &&
  57         er->NumberParameters >= 2) {
  58       const void* const fault_addr = (const void*) er->ExceptionInformation[1];
  59       if (fault_addr != NULL) {
  60         FileMapInfo* const mapinfo = FileMapInfo::current_info();
  61         if (mapinfo->is_in_shared_space(fault_addr)) {
  62           st->print("Error accessing class data sharing archive. "
  63             "Mapped file inaccessible during execution, possible disk/network problem.");
  64       }
  65     }
  66     }
  67   }
  68 }
  69 
  70 // Error reporting cancellation: there is no easy way to implement this on Windows, because we do
  71 // not have an easy way to send signals to threads (aka to cause a win32 Exception in another
  72 // thread). We would need something like "RaiseException(HANDLE thread)"...
  73 void VMError::reporting_started() {}
  74 void VMError::interrupt_reporting_thread() {}
  75 
--- EOF ---