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| author | Doug Evans <dje@google.com> | 2015-02-04 12:27:28 +0100 |
|---|---|---|
| committer | Pedro Alves <palves@redhat.com> | 2015-02-04 12:27:28 +0100 |
| commit | 518be979d905d8e8708c70149fdb3207aba53aa1 (patch) | |
| tree | 96dcab35188d23687ff67cb799b0d3351bbcc22f /gdb/tui/tui-command.c | |
| parent | f3853b34448594744f284fa96f26e41fd533a50d (diff) | |
| download | gdb-518be979d905d8e8708c70149fdb3207aba53aa1.zip gdb-518be979d905d8e8708c70149fdb3207aba53aa1.tar.gz gdb-518be979d905d8e8708c70149fdb3207aba53aa1.tar.bz2 | |
Speed up GDB's TUI output
In the TUI mode, we call wrefresh after outputting every single
character. This results in the I/O becoming very slow. Fix this by
delaying refreshing the console window until an explicit flush of
gdb_stdout is requested, or a write to any other (unbuffered) file is
done.
2015-02-04 Doug Evans <dje@google.com>
Pedro Alves <palves@redhat.com>
Eli Zaretskii <eliz@gnu.org>
PR tui/17810
* tui/tui-command.c (tui_refresh_cmd_win): New function.
* tui/tui-command.c (tui_refresh_cmd_win): Declare.
* tui/tui-file.c: #include tui/tui-command.h.
(tui_file_fputs): Refresh command window if stream is not gdb_stdout.
(tui_file_flush): Refresh command window if stream is gdb_stdout.
* tui/tui-io.c (tui_puts): Remove calls to wrefresh, fflush.
Diffstat (limited to 'gdb/tui/tui-command.c')
| -rw-r--r-- | gdb/tui/tui-command.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gdb/tui/tui-command.c b/gdb/tui/tui-command.c index d1a5ddb..3551063 100644 --- a/gdb/tui/tui-command.c +++ b/gdb/tui/tui-command.c @@ -129,3 +129,18 @@ tui_dispatch_ctrl_char (unsigned int ch) return c; } } + +/* See tui-command.h. */ + +void +tui_refresh_cmd_win (void) +{ + WINDOW *w = TUI_CMD_WIN->generic.handle; + + wrefresh (w); + + /* FIXME: It's not clear why this is here. + It was present in the original tui_puts code and is kept in order to + not introduce some subtle breakage. */ + fflush (stdout); +} |