295 } urandom_cache = { -1 };  variable
334         if (urandom_cache.fd >= 0) {  in dev_urandom()
336             fstat_result = _Py_fstat_noraise(urandom_cache.fd, &st);  in dev_urandom()
341                 || st.st_dev != urandom_cache.st_dev  in dev_urandom()
342                 || st.st_ino != urandom_cache.st_ino) {  in dev_urandom()
346                 urandom_cache.fd = -1;  in dev_urandom()
349         if (urandom_cache.fd >= 0)  in dev_urandom()
350             fd = urandom_cache.fd;  in dev_urandom()
362             if (urandom_cache.fd >= 0) {  in dev_urandom()
366                 fd = urandom_cache.fd;  in dev_urandom()
374                     urandom_cache.fd = fd;  in dev_urandom()
375                     urandom_cache.st_dev = st.st_dev;  in dev_urandom()
376                     urandom_cache.st_ino = st.st_ino;  in dev_urandom()
425     if (urandom_cache.fd >= 0) {  in dev_urandom_close()
426         close(urandom_cache.fd);  in dev_urandom_close()
427         urandom_cache.fd = -1;  in dev_urandom_close()