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| author | Janne Blomqvist <jblomqvi@cc.hut.fi> | 2005-10-07 23:02:28 +0300 |
|---|---|---|
| committer | Thomas Koenig <tkoenig@gcc.gnu.org> | 2005-10-07 20:02:28 +0000 |
| commit | 0dc434615966c14944fb1e22dfc645091b98e557 (patch) | |
| tree | 644a90d57f7546595ef3507a66c957fd39ef1765 /libcpp/configure | |
| parent | b6fb7d460cc513f9564a1ba5aeaa431f32e7858f (diff) | |
| download | gcc-0dc434615966c14944fb1e22dfc645091b98e557.zip gcc-0dc434615966c14944fb1e22dfc645091b98e557.tar.gz gcc-0dc434615966c14944fb1e22dfc645091b98e557.tar.bz2 | |
re PR libfortran/16339 (Unformatted i/o on large arrays inefficient)
2005-10-07 Janne Blomqvist <jblomqvi@cc.hut.fi>
PR fortran/16339
PR fortran/23363
* io/io.h: Add read and write members to stream, define access
macros.
* io/transfer.c (read_block_direct): New function.
(write_block_direct): New function.
(unformatted_read): Change to use read_block_direct.
(unformatted_write): Change to use write_block_direct.
* io/unix.c: Remove mmap includes and defines.
(writen): Remove.
(readn): Remove.
(reset_stream): New function.
(do_read): New function.
(do_write): New function.
(fd_flush): Change to use do_write() instead of writen().
(fd_alloc_r_at): Change to use do_read().
(fd_seek): Change return type to try, as the prototype. Add check
to avoid syscall overhead if possible.
(fd_read): New function.
(fd_write): New function.
(fd_open): Set pointers for new functions.
(mem_read): New function.
(mem_write): New function.
(open_internal): Set pointers for new functions.
(is_seekable): Clean up comment.
From-SVN: r105101
Diffstat (limited to 'libcpp/configure')
0 files changed, 0 insertions, 0 deletions