> I'm no expert, but it seems the FD_SETSIZE should have been 128. > Long is 8 bytes, 64 bits. One bit if one open file, 64 * 64 = 4096.
FD_SETSIZE is the file descriptor bitset capacity in _BITS_. 64 (as currently in there) means 1 int (on 64 bit platforms, or 2 ints on 32 bit platforms, respectively), and is capable of representing 64 file descriptors by default. Anton Lavrentiev Contractor NIH/NLM/NCBI -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
