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Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 9ac393090e..65fa0f2a9a 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,38 @@ +2002-08-01 Roland McGrath <roland@frob.com> + + * libio/fileops.c (_IO_file_sync_mmap): New function. + (_IO_file_jumps_mmap): Use it. + (_IO_file_underflow_mmap): Rewritten. If after EOF or fflush, + repeat the stat check and resize the mapped buffer as necessary. + +2002-07-31 Roland McGrath <roland@frob.com> + + * libio/fileops.c (decide_maybe_mmap): New static function. + Code taken from libio/iofopen.c:__fopen_maybe_mmap to try to + mmap the file contents. Then switch the jump tables to the mmap + tables if it worked, or the vanilla file tables if not. + (_IO_file_underflow_maybe_mmap): New function. + (_IO_file_seekoff_maybe_mmap): New function. + (_IO_file_xsgetn_maybe_mmap): New function. + (_IO_file_jumps_maybe_mmap): New variable, jump table using those. + * libio/libioP.h: Declare those. + * libio/wfileops.c (_IO_wfile_underflow_maybe_mmap): New function. + (_IO_wfile_jumps_maybe_mmap): New variable, jump table using that. + * libio/iofopen.c (__fopen_maybe_mmap): Don't try to mmap here. + If the stream is read-only, set its jump tables to those new ones. + * libio/iofdopen.c (_IO_new_fdopen) [_G_HAVE_MMAP]: Set the initial + jump tables to the maybe_mmap ones, and don't call __fopen_maybe_mmap. + We need the tables set before _IO_file_attach. + + * libio/tst-mmap-eofsync.c: New file. + * libio/tst-mmap-fflushsync.c: New file. + * libio/bug-mmap-fflush.c: New file. + * libio/tst-mmap2-eofsync.c: New file. + * libio/Makefile (tests): Add them. + + * libio/wfileops.c (_IO_wfile_underflow_mmap): Don't set EOF bit when + _IO_file_underflow_mmap fails, it already set the appropriate bit. + 2002-07-31 Jeff Bailey <jbailey@gnu.org> * libio/stdio.h (sys_errlist, sys_nerr, _sys_errlist, _sys_nerr): |