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Check for SIGCONT using a custom GSource instead of every 0.5 second.

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git-svn-id: file:///var/www/svn.irssi.org/SVN/irssi/trunk@5022 dbcabf3a-b0e7-0310-adc4-f8d773084564
This commit is contained in:
Jilles Tjoelker 2009-02-27 14:20:35 +00:00 committed by jilles
parent cb1f07352a
commit d979a991c8
1 changed files with 37 additions and 10 deletions
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47
src/fe-text/term-terminfo.c
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@ -50,7 +50,8 @@ static int curs_x, curs_y;
static int last_fg, last_bg, last_attrs;
static int redraw_needed, redraw_tag;
static GSource *sigcont_source;
static volatile sig_atomic_t got_sigcont;
static int freeze_counter;
static TERM_INPUT_FUNC input_func;
@ -60,20 +61,43 @@ static int term_inbuf_pos;
/* SIGCONT handler */
static void sig_cont(int p)
{
redraw_needed = TRUE;
terminfo_cont(current_term);
got_sigcont = TRUE;
}
static int redraw_timeout(void)
/* SIGCONT GSource */
static gboolean sigcont_prepare(GSource *source, gint *timeout)
{
if (redraw_needed) {
irssi_redraw();
redraw_needed = FALSE;
}
*timeout = -1;
return got_sigcont;
}
static gboolean sigcont_check(GSource *source)
{
return got_sigcont;
}
static gboolean sigcont_dispatch(GSource *source, GSourceFunc callback, gpointer user_data)
{
got_sigcont = FALSE;
if (callback == NULL)
return TRUE;
return callback(user_data);
}
static gboolean do_redraw(gpointer unused)
{
terminfo_cont(current_term);
irssi_redraw();
return 1;
}
static GSourceFuncs sigcont_funcs = {
.prepare = sigcont_prepare,
.check = sigcont_check,
.dispatch = sigcont_dispatch
};
int term_init(void)
{
struct sigaction act;
@ -99,7 +123,9 @@ int term_init(void)
act.sa_flags = 0;
act.sa_handler = sig_cont;
sigaction(SIGCONT, &act, NULL);
redraw_tag = g_timeout_add(500, (GSourceFunc) redraw_timeout, NULL);
sigcont_source = g_source_new(&sigcont_funcs, sizeof(GSource));
g_source_set_callback(sigcont_source, do_redraw, NULL, NULL);
g_source_attach(sigcont_source, NULL);
curs_x = curs_y = 0;
term_width = current_term->width;
@ -118,7 +144,8 @@ void term_deinit(void)
{
if (current_term != NULL) {
signal(SIGCONT, SIG_DFL);
g_source_remove(redraw_tag);
g_source_destroy(sigcont_source);
g_source_unref(sigcont_source);
term_common_deinit();
terminfo_core_deinit(current_term);