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https://github.com/tmux/tmux.git
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Don't use a bufferevent for the tty, so we can keep better track of what
is being written and when. Also a manpage typo fix from jmc@.
This commit is contained in:
nicm
parent
c6a3446398
commit
d22c15107b
2
tmux.1
2
tmux.1
@ -860,7 +860,7 @@ If
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is given, it specifies a
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.Ic session group .
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Sessions in the same group share the same set of windows - new windows are
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linked to all sessions in the grouo and any windows closed removed from all
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linked to all sessions in the group and any windows closed removed from all
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sessions.
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The current and previous window and any session options remain independent and
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any session in a group may be killed without affecting the others.
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5
tmux.h
5
tmux.h
@ -1041,7 +1041,10 @@ struct tty {
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u_int rright;
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int fd;
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struct bufferevent *event;
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struct event event_in;
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struct evbuffer *in;
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struct event event_out;
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struct evbuffer *out;
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struct termios tio;
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@ -532,8 +532,8 @@ tty_keys_next(struct tty *tty)
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key_code key;
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/* Get key buffer. */
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buf = EVBUFFER_DATA(tty->event->input);
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len = EVBUFFER_LENGTH(tty->event->input);
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buf = EVBUFFER_DATA(tty->in);
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len = EVBUFFER_LENGTH(tty->in);
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if (len == 0)
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return (0);
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@ -645,7 +645,7 @@ complete_key:
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key = (key & KEYC_MASK_MOD) | KEYC_BSPACE;
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/* Remove data from buffer. */
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evbuffer_drain(tty->event->input, size);
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evbuffer_drain(tty->in, size);
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/* Remove key timer. */
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if (event_initialized(&tty->key_timer))
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@ -671,7 +671,7 @@ discard_key:
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log_debug("discard key %.*s %#llx", (int)size, buf, key);
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/* Remove data from buffer. */
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evbuffer_drain(tty->event->input, size);
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evbuffer_drain(tty->in, size);
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return (1);
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}
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121
tty.c
121
tty.c
@ -34,11 +34,6 @@
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static int tty_log_fd = -1;
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static void tty_init_termios(int, struct termios *, struct bufferevent *);
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static void tty_read_callback(struct bufferevent *, void *);
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static void tty_error_callback(struct bufferevent *, short, void *);
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static int tty_client_ready(struct client *, struct window_pane *);
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static void tty_set_italics(struct tty *);
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@ -159,6 +154,38 @@ tty_set_size(struct tty *tty, u_int sx, u_int sy)
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return (1);
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}
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static void
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tty_read_callback(__unused int fd, __unused short events, void *data)
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{
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struct tty *tty = data;
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size_t size = EVBUFFER_LENGTH(tty->in);
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int nread;
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nread = evbuffer_read(tty->in, tty->fd, -1);
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if (nread == -1)
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return;
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log_debug("%s: read %d bytes (already %zu)", tty->path, nread, size);
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while (tty_keys_next(tty))
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;
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}
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static void
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tty_write_callback(__unused int fd, __unused short events, void *data)
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{
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struct tty *tty = data;
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size_t size = EVBUFFER_LENGTH(tty->out);
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int nwrite;
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nwrite = evbuffer_write(tty->out, tty->fd);
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if (nwrite == -1)
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return;
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log_debug("%s: wrote %d bytes (of %zu)", tty->path, nwrite, size);
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if (EVBUFFER_LENGTH(tty->out) == 0)
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event_del(&tty->event_out);
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}
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int
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tty_open(struct tty *tty, char **cause)
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{
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@ -169,10 +196,14 @@ tty_open(struct tty *tty, char **cause)
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}
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tty->flags |= TTY_OPENED;
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tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_TIMER);
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tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
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tty->event = bufferevent_new(tty->fd, tty_read_callback, NULL,
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tty_error_callback, tty);
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event_set(&tty->event_in, tty->fd, EV_PERSIST|EV_READ,
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tty_read_callback, tty);
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tty->in = evbuffer_new();
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event_set(&tty->event_out, tty->fd, EV_WRITE, tty_write_callback, tty);
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tty->out = evbuffer_new();
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tty_start_tty(tty);
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@ -181,50 +212,26 @@ tty_open(struct tty *tty, char **cause)
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return (0);
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}
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static void
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tty_read_callback(__unused struct bufferevent *bufev, void *data)
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{
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struct tty *tty = data;
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while (tty_keys_next(tty))
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;
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}
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static void
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tty_error_callback(__unused struct bufferevent *bufev, __unused short what,
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__unused void *data)
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{
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}
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static void
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tty_init_termios(int fd, struct termios *orig_tio, struct bufferevent *bufev)
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{
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struct termios tio;
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if (fd == -1 || tcgetattr(fd, orig_tio) != 0)
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return;
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setblocking(fd, 0);
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if (bufev != NULL)
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bufferevent_enable(bufev, EV_READ|EV_WRITE);
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memcpy(&tio, orig_tio, sizeof tio);
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tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
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tio.c_iflag |= IGNBRK;
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tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
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tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
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ECHOPRT|ECHOKE|ISIG);
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tio.c_cc[VMIN] = 1;
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tio.c_cc[VTIME] = 0;
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if (tcsetattr(fd, TCSANOW, &tio) == 0)
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tcflush(fd, TCIOFLUSH);
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}
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void
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tty_start_tty(struct tty *tty)
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{
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tty_init_termios(tty->fd, &tty->tio, tty->event);
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struct termios tio;
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if (tty->fd != -1 && tcgetattr(tty->fd, &tty->tio) == 0) {
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setblocking(tty->fd, 0);
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event_add(&tty->event_in, NULL);
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memcpy(&tio, &tty->tio, sizeof tio);
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tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
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tio.c_iflag |= IGNBRK;
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tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
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tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
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ECHOPRT|ECHOKE|ISIG);
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tio.c_cc[VMIN] = 1;
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tio.c_cc[VTIME] = 0;
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if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
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tcflush(tty->fd, TCIOFLUSH);
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}
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tty_putcode(tty, TTYC_SMCUP);
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@ -264,7 +271,8 @@ tty_stop_tty(struct tty *tty)
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return;
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tty->flags &= ~TTY_STARTED;
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bufferevent_disable(tty->event, EV_READ|EV_WRITE);
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event_del(&tty->event_in);
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event_del(&tty->event_out);
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/*
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* Be flexible about error handling and try not kill the server just
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@ -318,7 +326,10 @@ tty_close(struct tty *tty)
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tty_stop_tty(tty);
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if (tty->flags & TTY_OPENED) {
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bufferevent_free(tty->event);
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evbuffer_free(tty->in);
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event_del(&tty->event_in);
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evbuffer_free(tty->out);
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event_del(&tty->event_out);
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tty_term_free(tty->term);
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tty_keys_free(tty);
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@ -411,11 +422,13 @@ tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
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static void
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tty_add(struct tty *tty, const char *buf, size_t len)
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{
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bufferevent_write(tty->event, buf, len);
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log_debug("%s: %.*s", tty->path, (int)len, buf);
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evbuffer_add(tty->out, buf, len);
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log_debug("%s: %.*s", tty->path, (int)len, (const char *)buf);
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if (tty_log_fd != -1)
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write(tty_log_fd, buf, len);
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if (tty->flags & TTY_STARTED)
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event_add(&tty->event_out, NULL);
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}
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void
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@ -730,7 +743,7 @@ tty_client_ready(struct client *c, struct window_pane *wp)
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{
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if (c->session == NULL || c->tty.term == NULL)
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return (0);
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if (c->flags & CLIENT_SUSPENDED)
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if (c->flags & (CLIENT_REDRAW|CLIENT_SUSPENDED))
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return (0);
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if (c->tty.flags & TTY_FREEZE)
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return (0);
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