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From: "burnus at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libfortran/50016] [4.7 Regression] Drastic I/O performance regression on Windows
Date: Wed, 19 Oct 2011 17:30:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50016

--- Comment #17 from Tobias Burnus <burnus at gcc dot gnu.org> 2011-10-19 17:27:08 UTC ---
Author: burnus
Date: Wed Oct 19 17:27:03 2011
New Revision: 180199

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180199
Log:
2011-10-19  Janne Blomqvist  <jb@gcc.gnu.org>
            Kai Tietz  <ktietz@redhat.com>
            Tobias Burnus  <burnus@net-b.de>

        PR fortran/50016
        * io/unix.h (flush_sync): Add new libgfortran-internal
        * prototype.
        * io/unix.c (flush_sync): New function, which calls sflush and
        on MinGW(-w64) also _commit.
        (flush_all_units, flush_all_units_1): Replace sflush/_commit by
        flush_sync.
        * io/file_pos.c (st_flush): Replace sflush/_commit by
        * flush_sync.
        * io/intrinsics.c (flush_i4, flush_i8): Ditto.


Modified:
    branches/gcc-4_6-branch/libgfortran/ChangeLog
    branches/gcc-4_6-branch/libgfortran/io/file_pos.c
    branches/gcc-4_6-branch/libgfortran/io/intrinsics.c
    branches/gcc-4_6-branch/libgfortran/io/unix.c
    branches/gcc-4_6-branch/libgfortran/io/unix.h