Program received signal SIGABRT, Aborted.
0x773ff8cd in ntdll!RtlUpdateClonedSRWLock ()
   from /cygdrive/c/Windows/system32/ntdll.dll
(gdb) bt full
#0  0x773ff8cd in ntdll!RtlUpdateClonedSRWLock ()
   from /cygdrive/c/Windows/system32/ntdll.dll
No symbol table info available.
#1  0x773ff8cd in ntdll!RtlUpdateClonedSRWLock ()
   from /cygdrive/c/Windows/system32/ntdll.dll
No symbol table info available.
#2  0x76a6d4b5 in WriteFile () from /cygdrive/c/Windows/syswow64/KERNELBASE.dll
No symbol table info available.
#3  0x00000110 in ?? ()
No symbol table info available.
#4  0x00000000 in ?? ()
No symbol table info available.
(gdb)