9.578 mq_notify

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

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

• This function is missing on some platforms: Mac OS X 10.5, FreeBSD 6.0, NetBSD 3.0, OpenBSD 3.8, Minix 3.1.8, IRIX 5.3, Solaris 2.4, Cygwin 1.5.x, mingw, MSVC 9, Interix 3.5, BeOS.