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src/os/windows/vm/vmError_windows.cpp

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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


  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 cancelleation: 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 



  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
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