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Do not attempt to drain write buffer on stuck clients, since it requires

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a weird dance to make libevent do it. Instead, just ignore the client
and destroy the buffer normally if not drained in 10 seconds.
This commit is contained in:
nicm
2026-08-04 11:18:22 +00:00
committed by tmux update bot
parent d2322d0114
commit 5cd1976a4a
2 changed files with 24 additions and 27 deletions
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41
server-client.c
View File

@@ -1,4 +1,4 @@
/* $OpenBSD: server-client.c,v 1.501 2026/08/03 20:18:20 nicm Exp $ */
/* $OpenBSD: server-client.c,v 1.502 2026/08/04 11:18:22 nicm Exp $ */
/*
* Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -41,7 +41,7 @@ static void server_client_check_window_resize(struct window *);
static key_code server_client_check_mouse(struct client *, struct key_event *);
static void server_client_repeat_timer(int, short, void *);
static void server_client_click_timer(int, short, void *);
static void server_client_check_exit(struct client *);
static void server_client_check_exit(struct client *, int);
static void server_client_exit_timer(int, short, void *);
static void server_client_check_redraw(struct client *);
static void server_client_check_modes(struct client *);
@@ -1857,7 +1857,7 @@ server_client_loop(void)
/* Check clients. */
TAILQ_FOREACH(c, &clients, entry) {
server_client_check_exit(c);
server_client_check_exit(c, 0);
if (c->session != NULL && c->session->curw != NULL) {
server_client_check_modes(c);
server_client_check_redraw(c);
@@ -2307,8 +2307,7 @@ server_client_start_exit_timer(struct client *c)
static void
server_client_exit_timer(__unused int fd, __unused short events, void *data)
{
struct client *c = data;
struct client_file *cf;
struct client *c = data;
if (c->flags & (CLIENT_DEAD|CLIENT_SUSPENDED))
return;
@@ -2318,17 +2317,13 @@ server_client_exit_timer(__unused int fd, __unused short events, void *data)
server_client_lost(c);
} else if (c->flags & CLIENT_EXIT) {
log_debug("%s: %s took too long to flush", __func__, c->name);
if (c->flags & CLIENT_CONTROL)
control_discard_all(c);
RB_FOREACH(cf, client_files, &c->files)
evbuffer_drain(cf->buffer, EVBUFFER_LENGTH(cf->buffer));
server_client_check_exit(c);
server_client_check_exit(c, 1);
}
}
/* Check if client should be exited. */
/* Check if client should be exited, abandoning buffered output if forced. */
static void
server_client_check_exit(struct client *c)
server_client_check_exit(struct client *c, int force)
{
struct client_file *cf;
const char *name = c->exit_session;
@@ -2341,16 +2336,22 @@ server_client_check_exit(struct client *c)
return;
if (c->flags & CLIENT_CONTROL) {
control_discard(c);
if (!control_all_done(c)) {
server_client_start_exit_timer(c);
return;
if (force)
control_discard_all(c);
else {
control_discard(c);
if (!control_all_done(c)) {
server_client_start_exit_timer(c);
return;
}
}
}
RB_FOREACH(cf, client_files, &c->files) {
if (EVBUFFER_LENGTH(cf->buffer) != 0) {
server_client_start_exit_timer(c);
return;
if (!force) {
RB_FOREACH(cf, client_files, &c->files) {
if (EVBUFFER_LENGTH(cf->buffer) != 0) {
server_client_start_exit_timer(c);
return;
}
}
}
c->flags |= CLIENT_EXITED;