to Thread 3968.0x1f48] 0x0000000000000000 in ?? () (gdb) where #0 0x0000000000000000 in ?? () #1 0x00007ffe4ad2a0e4 in pthread_testcancel () at /usr/src/debug/cygwin-3.6.3-1/ winsup/cygwin/thread.cc:399 #2 pthread_rwlock_wrlock (rwlock=0xa002a9410) at /usr/src/debug/cygwin-3.6.3-1/ winsup/cygwin/thread.cc:4352 #3 0x00007ffe4ae0b0d4 in _sigfe () at sigfe.s:35 #4 0x00000003ff54e3f9 in CRYPTO_THREAD_write_lock (lock=<optimized out>) at crypto/ threads_pthread.c:110 #5 0x00000003ff541922 in init_thread_remove_handlers (handsin=handsin@entry=0x0) at crypto/initthread.c:178 #6 0x00000003ff541d43 in OPENSSL_thread_stop () at crypto/initthread.c:235 #7 0x00000003ff53fdd3 in DllMain (hinstDLL=<optimized out>, fdwReason=<optimized out>, lpvReserved=<optimized out>) at crypto/dllmain.c:38 : 問題のスタックトレース