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Sync OpenBSD patchset 374:

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Rather than running status-left, status-right and window title #() with popen
immediately every redraw, queue them up and run them in the background,
starting each once every status-interval. The actual status line uses the
output from the last run.

This brings several advantages:

- tmux itself may be called from inside #() without causing the server to hang;
- likewise, sleep or similar doesn't cause the server to block;
- commands aren't run excessively often when redrawing;
- commands shared by status-left and status-right, or used multiple times, will
  only be run once.

run-shell and if-shell still use system()/popen() but will be changed over to
use this too later.
This commit is contained in:
Tiago Cunha
2009-10-11 23:55:26 +00:00
parent 07ad6da7e8
commit bc236109fd
8 changed files with 370 additions and 52 deletions
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4
cmd-display-message.c
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@@ -1,4 +1,4 @@
/* $Id: cmd-display-message.c,v 1.2 2009-07-28 22:12:16 tcunha Exp $ */
/* $Id: cmd-display-message.c,v 1.3 2009-10-11 23:55:26 tcunha Exp $ */
/*
* Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
@@ -55,7 +55,7 @@ cmd_display_message_exec(struct cmd *self, struct cmd_ctx *ctx)
else
template = data->arg;
msg = status_replace(c->session, template, time(NULL));
msg = status_replace(c, template, time(NULL));
status_message_set(c, "%s", msg);
xfree(msg);