fcntl
=====

POSIX specification: http://www.opengroup.org/onlinepubs/9699919799/functions/fcntl.html

Gnulib module: fcntl

Portability problems fixed by Gnulib:

  * This function does not support F_DUPFD_CLOEXEC on some platforms: MacOS X 10.3, FreeBSD 6.0, NetBSD 3.0, OpenBSD 3.8, AIX 5.1, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin 1.7.1, mingw, Interix 3.5, BeOS. Note that the gnulib replacement code is functional but not atomic.

  * The F_DUPFD action of this function does not reject out-of-range targets properly on some platforms: Cygwin 1.5.x.

Portability problems not fixed by Gnulib:

  * This function is missing on some platforms: mingw.