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[Bug-mit-scheme] [bug #15069] Microcode ignores SIGWINCH, so console I/O
From: |
Taylor Campbell |
Subject: |
[Bug-mit-scheme] [bug #15069] Microcode ignores SIGWINCH, so console I/O port x & y sizes are never updated |
Date: |
Sat, 26 Nov 2005 06:04:00 +0000 |
User-agent: |
Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en-US) AppleWebKit/125.4 (KHTML, like Gecko, Safari) OmniWeb/v563.42 |
URL:
<http://savannah.gnu.org/bugs/?func=detailitem&item_id=15069>
Summary: Microcode ignores SIGWINCH, so console I/O port x &
y sizes are never updated
Project: MIT/GNU Scheme
Submitted by: riastradh
Submitted on: Sat 11/26/05 at 06:03
Category: microcode
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Suboptimal behavior
Status: None
Privacy: Public
Assigned to: None
Originator Name:
Originator Email:
Open/Closed: Open
Keywords:
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Details:
Because the microcode's signal handlers ignore SIGWINCH, it never knows when
to update tty_x_size & tty_y_size in microcode/uxtty.c if the terminal under
which Scheme is running is resized, so the console I/O port's x & y sizes are
never changed (since they are obtained from tty_x_size & tty_y_size). This
means that, among other things, Edwin cannot know when to resize according to
the terminal's size if the terminal is resized. RESIZE-SCREEN in
edwin/tterm.scm could be modified to use tgetnum("li") & tgetnum("co")
instead of relying on the console I/O port's x & y sizes being updated, but
it would require manual intervention to resize the screen anyway.
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