Hi there,
occasionally (really very rarely!) I get a crash when exiting a Rexx program
that used Java and
there was a lot of switching between Java and Rexx on different threads
(running on Windows 10,
32-bit system).
Using the full debug version of ooRexx (32-bit Windows, r12107) has not allowed
me to provoke this
crash, using ooRexx created with "relwithdebinfo" just allowed me to provoke
the crash and get
somewhat meaningful (?) information from the Visual studio debugger which
follows.
Visual studio output:
... cut ...
'rexx.exe' (Win32): Loaded 'C:\Program Files
(x86)\Java\jre1.8.0_171\bin\prism_common.dll'. Module was built without symbols.
The thread 0x4ef8 has exited with code 0 (0x0).
Unhandled exception at 0x63B42647 (ANSI32.dll) in rexx.exe: 0xC0000005:
Access violation reading
location 0x5CA80024.
Threads:
Not Flagged > 12876 0 Main Thread Main Thread ANSI32.dll!63b42647 Normal
Not Flagged 6084 0 Worker Thread
ntdll.dll!TppWorkerThread ntdll.dll!_NtWaitForWorkViaWorkerFactory@20
Normal
Not Flagged 12676 0 Worker Thread
ntdll.dll!TppWorkerThread ntdll.dll!_NtWaitForWorkViaWorkerFactory@20
Normal
Not Flagged 18012 0 Worker Thread
ntdll.dll!TppWorkerThread ntdll.dll!_NtWaitForWorkViaWorkerFactory@20
Normal
Not Flagged 16988 0 Worker Thread
msvcr100.dll!_threadstartex jvm.dll!7a220ced Highest
Not Flagged 20296 0 Worker Thread
msvcr100.dll!_threadstartex jvm.dll!7a220df9 Highest
Not Flagged 9636 0 Worker Thread
msvcr100.dll!_threadstartex jvm.dll!7a220df9 Above Normal
Not Flagged 13264 0 Worker Thread
msvcr100.dll!_threadstartex jvm.dll!7a224666 Highest
Not Flagged 19972 0 Worker Thread
msvcr100.dll!_threadstartex jvm.dll!7a21d6f2 Highest
Not Flagged 16236 0 Worker Thread
msvcr100.dll!_threadstartex jvm.dll!7a220ced Highest
Not Flagged 17556 0 Worker Thread
msvcr100.dll!_threadstartex jvm.dll!7a220df9 Normal
Not Flagged 19708 0 Worker Thread
msvcr100.dll!_threadstartex jvm.dll!7a220ced Highest
Not Flagged 10944 0 Worker Thread
msvcr100.dll!_threadstartex jvm.dll!7a224e07 Normal
Not Flagged 15584 0 Worker Thread winmm.dll!timeThread
winmm.dll!timeThread Normal
Not Flagged 1388 0 Worker Thread ANSI32.dll thread
ANSI32.dll!63b4223f Normal
Not Flagged 16556 0 Worker Thread
msvcr100.dll!_threadstartex jvm.dll!7a220df9 Normal
Not Flagged 19696 0 Worker Thread
combase.dll!CRpcThreadCache::RpcWorkerThreadEntry
combase.dll!WaitCoalesced Normal
Not Flagged 19168 0 Worker Thread
ntdll.dll!TppWorkerThread ntdll.dll!_NtWaitForWorkViaWorkerFactory@20
Normal
Not Flagged 19876 0 Worker Thread
ntdll.dll!TppWorkerThread ntdll.dll!_NtWaitForWorkViaWorkerFactory@20
Normal
Not Flagged 4144 0 Worker Thread
msvcr100.dll!_threadstartex jvm.dll!7a220df9 Highest
Call Stack:
ANSI32.dll!63b42647() Unknown
[Frames below may be incorrect and/or missing, no symbols loaded for
ANSI32.dll]
ANSI32.dll!63b42d93() Unknown
ucrtbase.dll!try_get_module() Unknown
ucrtbase.dll!try_get_function() Unknown
ucrtbase.dll!get_win_policy<`__acrt_get_process_end_policy'::`2'::process_end_policy_properties>()
Unknown
ucrtbase.dll!exit_or_terminate_process() Unknown
ucrtbase.dll!common_exit() Unknown
ucrtbase.dll!_exit () Unknown
> rexx.exe!__scrt_common_main_seh() Line 262 C++
kernel32.dll!@BaseThreadInitThunk@12 () Unknown
ntdll.dll!__RtlUserThreadStart() Unknown
ntdll.dll!__RtlUserThreadStart@8 () Unknown
Locals:
has_cctor false bool
is_nested false const bool
main_result 0 const int
main_result -1073741819 const int
tls_dtor_callback Variable is optimized away and not
available.
tls_init_callback Variable is optimized away and not
available.
The code location in the thread:
... cut ...
// If this module has any thread-local destructors, register the
// callback function with the Unified CRT to run on exit.
_tls_callback_type const * const tls_dtor_callback =
__scrt_get_dyn_tls_dtor_callback();
if (*tls_dtor_callback != nullptr &&
__scrt_is_nonwritable_in_current_image(tls_dtor_callback))
{
_register_thread_local_exe_atexit_callback(*tls_dtor_callback);
}
//
// Initialization is complete; invoke main...
//
int const main_result = invoke_main();
//
// main has returned; exit somehow...
//
if (!__scrt_is_managed_app())
exit(main_result);
if (!has_cctor) // <--- line # 262 _cexit();
// Finally, we terminate the CRT:
__scrt_uninitialize_crt(true, false);
return main_result;
}
__except (_seh_filter_exe(GetExceptionCode(),
GetExceptionInformation()))
{
// Note: We should never reach this except clause.
int const main_result = GetExceptionCode();
if (!__scrt_is_managed_app())
_exit(main_result);
if (!has_cctor)
_c_exit();
return main_result;
}
}
... cut ...
Please advise if I can supply more information as I have currently the debug
window open!
---rony
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