12.40.2 openpty

Gnulib module: openpty

Portability problems fixed by Gnulib:

• This function is missing on some platforms: AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 11 2011-11.
• One some systems (at least including Cygwin, Interix, OSF/1 4 and 5, and Mac OS X) linking with -lutil is not required.
• On glibc, OpenBSD, NetBSD and FreeBSD linking with -lutil is required.
• The function is declared in pty.h on Cygwin, Interix, OSF/1 4 and 5, and glibc. It is declared in util.h on Mac OS X, OpenBSD and NetBSD. It is declared in libutil.h on FreeBSD.
• Some platforms declare the function without marking the last two parameters const. FreeBSD, Cygwin 1.7.1.

Portability problems not fixed by Gnulib:

• This function is missing on some platforms: mingw, MSVC 9.
• After a successful call to openpty, the application needs to close the master’s file descriptor before closing the slave’s file descriptor, otherwise the process may hang in a state where it cannot be killed, on some platforms: Mac OS X 10.4.11.