mirror of
https://github.com/tmux/tmux.git
synced 2025-09-01 20:57:00 +00:00
Move alerts onto events rather than checking every loop.
This commit is contained in:
nicm
263
alerts.c
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263
alerts.c
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/* $OpenBSD$ */
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/*
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* Copyright (c) 2015 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <event.h>
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#include "tmux.h"
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int alerts_fired;
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void alerts_timer(int, short, void *);
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int alerts_enabled(struct window *, int);
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void alerts_callback(int, short, void *);
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void alerts_reset(struct window *);
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int alerts_check_bell(struct session *, struct winlink *);
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int alerts_check_activity(struct session *, struct winlink *);
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int alerts_check_silence(struct session *, struct winlink *);
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void alerts_ring_bell(struct session *);
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void
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alerts_timer(unused int fd, unused short events, void *arg)
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{
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struct window *w = arg;
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log_debug("@%u alerts timer expired", w->id);
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alerts_reset(w);
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alerts_queue(w, WINDOW_SILENCE);
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}
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void
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alerts_callback(unused int fd, unused short events, unused void *arg)
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{
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struct window *w;
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struct session *s;
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struct winlink *wl;
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int flags, alerts;
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RB_FOREACH(w, windows, &windows) {
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RB_FOREACH(s, sessions, &sessions) {
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RB_FOREACH(wl, winlinks, &s->windows) {
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if (wl->window != w)
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continue;
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flags = w->flags;
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alerts = alerts_check_bell(s, wl);
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alerts |= alerts_check_activity(s, wl);
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alerts |= alerts_check_silence(s, wl);
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if (alerts != 0)
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server_status_session(s);
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log_debug("%s:%d @%u alerts check, alerts %#x, "
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"flags %#x", s->name, wl->idx, w->id,
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alerts, flags);
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}
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}
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}
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alerts_fired = 0;
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}
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int
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alerts_enabled(struct window *w, int flags)
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{
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struct session *s;
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if (flags & WINDOW_ACTIVITY) {
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if (options_get_number(&w->options, "monitor-activity"))
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return (1);
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}
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if (flags & WINDOW_SILENCE) {
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if (options_get_number(&w->options, "monitor-silence") != 0)
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return (1);
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}
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if (~flags & WINDOW_BELL)
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return (0);
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RB_FOREACH(s, sessions, &sessions) {
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if (!session_has(s, w))
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continue;
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if (options_get_number(&s->options, "bell-action") != BELL_NONE)
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return (1);
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}
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return (0);
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}
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void
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alerts_reset_all(void)
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{
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struct window *w;
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RB_FOREACH(w, windows, &windows)
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alerts_reset(w);
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}
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void
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alerts_reset(struct window *w)
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{
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struct timeval tv;
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w->flags &= ~WINDOW_SILENCE;
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event_del(&w->alerts_timer);
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timerclear(&tv);
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tv.tv_sec = options_get_number(&w->options, "monitor-silence");
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log_debug("@%u alerts timer reset %u", w->id, (u_int)tv.tv_sec);
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if (tv.tv_sec != 0)
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event_add(&w->alerts_timer, &tv);
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}
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void
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alerts_queue(struct window *w, int flags)
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{
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if (!event_initialized(&w->alerts_timer))
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evtimer_set(&w->alerts_timer, alerts_timer, w);
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if (w->flags & flags)
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return;
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w->flags |= flags;
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log_debug("@%u alerts flags added %#x", w->id, flags);
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if (!alerts_fired && alerts_enabled(w, flags)) {
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log_debug("alerts check queued (by @%u)", w->id);
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event_once(-1, EV_TIMEOUT, alerts_callback, NULL, NULL);
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alerts_fired = 1;
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}
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if (flags & WINDOW_ACTIVITY)
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alerts_reset(w);
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}
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int
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alerts_check_bell(struct session *s, struct winlink *wl)
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{
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struct client *c;
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struct window *w = wl->window;
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int action, visual;
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if (!(w->flags & WINDOW_BELL) || wl->flags & WINLINK_BELL)
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return (0);
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if (s->curw != wl || s->flags & SESSION_UNATTACHED)
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wl->flags |= WINLINK_BELL;
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if (s->flags & SESSION_UNATTACHED)
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return (0);
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if (s->curw->window == w)
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w->flags &= ~WINDOW_BELL;
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action = options_get_number(&s->options, "bell-action");
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if (action == BELL_NONE)
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return (0);
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visual = options_get_number(&s->options, "visual-bell");
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TAILQ_FOREACH(c, &clients, entry) {
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if (c->session != s || c->flags & CLIENT_CONTROL)
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continue;
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if (!visual) {
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if ((action == BELL_CURRENT &&
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c->session->curw->window == w) ||
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(action == BELL_OTHER &&
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c->session->curw->window != w) ||
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action == BELL_ANY)
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tty_bell(&c->tty);
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continue;
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}
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if (action == BELL_CURRENT && c->session->curw->window == w)
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status_message_set(c, "Bell in current window");
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else if (action == BELL_ANY || (action == BELL_OTHER &&
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c->session->curw->window != w))
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status_message_set(c, "Bell in window %d", wl->idx);
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}
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return (WINDOW_BELL);
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}
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int
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alerts_check_activity(struct session *s, struct winlink *wl)
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{
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struct client *c;
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struct window *w = wl->window;
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if (s->curw->window == w)
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w->flags &= ~WINDOW_ACTIVITY;
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if (!(w->flags & WINDOW_ACTIVITY) || wl->flags & WINLINK_ACTIVITY)
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return (0);
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if (s->curw == wl && !(s->flags & SESSION_UNATTACHED))
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return (0);
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if (!options_get_number(&w->options, "monitor-activity"))
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return (0);
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if (options_get_number(&s->options, "bell-on-alert"))
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alerts_ring_bell(s);
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wl->flags |= WINLINK_ACTIVITY;
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if (options_get_number(&s->options, "visual-activity")) {
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TAILQ_FOREACH(c, &clients, entry) {
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if (c->session != s)
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continue;
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status_message_set(c, "Activity in window %d", wl->idx);
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}
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}
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return (WINDOW_ACTIVITY);
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}
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int
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alerts_check_silence(struct session *s, struct winlink *wl)
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{
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struct client *c;
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struct window *w = wl->window;
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if (s->curw->window == w)
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w->flags &= ~WINDOW_SILENCE;
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if (!(w->flags & WINDOW_SILENCE) || wl->flags & WINLINK_SILENCE)
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return (0);
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if (s->curw == wl && !(s->flags & SESSION_UNATTACHED))
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return (0);
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if (options_get_number(&w->options, "monitor-silence") == 0)
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return (0);
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if (options_get_number(&s->options, "bell-on-alert"))
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alerts_ring_bell(s);
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wl->flags |= WINLINK_SILENCE;
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if (options_get_number(&s->options, "visual-silence")) {
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TAILQ_FOREACH(c, &clients, entry) {
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if (c->session != s)
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continue;
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status_message_set(c, "Silence in window %d", wl->idx);
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}
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}
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return (WINDOW_SILENCE);
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}
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void
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alerts_ring_bell(struct session *s)
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{
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struct client *c;
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TAILQ_FOREACH(c, &clients, entry) {
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if (c->session == s && !(c->flags & CLIENT_CONTROL))
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tty_bell(&c->tty);
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}
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}
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