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Sync OpenBSD patchset 263:

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Reset attributes as well as scroll region before poll(2) and add a big comment
explaining why.
This commit is contained in:
Tiago Cunha 2009-08-16 19:33:49 +00:00
parent 7182f6d799
commit a2a8518f74
1 changed files with 12 additions and 2 deletions
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14
server.c
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@ -1,4 +1,4 @@
/* $Id: server.c,v 1.169 2009-08-14 21:24:46 tcunha Exp $ */
/* $Id: server.c,v 1.170 2009-08-16 19:33:49 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -884,7 +884,16 @@ server_handle_client(struct client *c)
wp = c->session->curw->window->active; /* could die - do each loop */
s = wp->screen;
/* Ensure cursor position and mode settings. */
/*
* Update cursor position and mode settings. The scroll region and
* attributes are cleared across poll(2) as this is the most likely
* time a user may interrupt tmux, for example with ~^Z in ssh(1). This
* is a compromise between excessive resets and likelihood of an
* interrupt.
*
* tty_region/tty_reset/tty_update_mode already take care of not
* resetting things that are already in their default state.
*/
status = options_get_number(&c->session->options, "status");
tty_region(&c->tty, 0, c->tty.sy - 1, 0);
if (!window_pane_visible(wp) || wp->yoff + s->cy >= c->tty.sy - status)
@ -896,6 +905,7 @@ server_handle_client(struct client *c)
if (server_locked)
mode &= ~TTY_NOCURSOR;
tty_update_mode(&c->tty, mode);
tty_reset(&c->tty);
}
/* Lost a client. */