http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56981
--- Comment #8 from Tobias Burnus <burnus at gcc dot gnu.org> 2013-04-29 09:34:58 UTC --- Author: jb Date: Mon Apr 29 08:42:00 2013 New Revision: 198390 URL: http://gcc.gnu.org/viewcvs?rev=198390&root=gcc&view=rev Log: PR 56981 Improve unbuffered performance on special files. 2013-04-29 Janne Blomqvist <j...@gcc.gnu.org> PR fortran/56981 * io/transfer.c (next_record_w_unf): First fix head marker, then write tail. (next_record): Call flush_if_unbuffered. * io/unix.c (struct unix_stream): Add field unbuffered. (flush_if_unbuffered): New function. (fd_to_stream): New argument. (open_external): Fix fd_to_stream call. (input_stream): Likewise. (output_stream): Likewise. (error_stream): Likewise. * io/unix.h (flush_if_unbuffered): New prototype. Modified: trunk/libgfortran/ChangeLog trunk/libgfortran/io/transfer.c trunk/libgfortran/io/unix.c trunk/libgfortran/io/unix.h
