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Do not leak waiting clients (in wait-for) if they are killed, GitHub

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issue 5614.
This commit is contained in:
nicm
2026-09-24 20:08:30 +01:00
committed by Nicholas Marriott
parent 92d29e54f4
commit ed2b349c3e
4 changed files with 45 additions and 4 deletions
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cmd-queue.c
+4 -1
View File
@@ -1,4 +1,4 @@
/* $OpenBSD: cmd-queue.c,v 1.123 2026/08/24 20:34:26 nicm Exp $ */
/* $OpenBSD: cmd-queue.c,v 1.124 2026/09/22 06:46:50 nicm Exp $ */
/*
* Copyright (c) 2013 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -580,6 +580,9 @@ cmdq_fire_command(struct cmdq_item *item)
int flags, quiet = 0;
char *tmp;
if (item->client != NULL && (item->client->flags & CLIENT_DEAD))
return (CMD_RETURN_ERROR);
if (cfg_finished)
cmdq_add_message(item);
if (log_get_level() > 1) {
cmd-wait-for.c
+35 -1
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@@ -1,4 +1,4 @@
/* $OpenBSD: cmd-wait-for.c,v 1.23 2026/07/10 13:38:45 nicm Exp $ */
/* $OpenBSD: cmd-wait-for.c,v 1.24 2026/09/22 06:46:50 nicm Exp $ */
/*
* Copyright (c) 2013 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -480,6 +480,40 @@ cmd_wait_for_unlock(struct cmdq_item *item, const char *name,
return (CMD_RETURN_NORMAL);
}
void
cmd_wait_for_client_lost(struct client *c)
{
struct wait_channel *wc, *wc1;
struct wait_item *wi, *wi1;
struct wait_event_item *wei, *wei1;
TAILQ_FOREACH_SAFE(wei, &wait_event_items, entry, wei1) {
if (cmdq_get_client(wei->item) == c) {
TAILQ_REMOVE(&wait_event_items, wei, entry);
cmdq_continue(wei->item);
cmd_wait_for_event_free(wei);
}
}
RB_FOREACH_SAFE(wc, wait_channels, &wait_channels, wc1) {
TAILQ_FOREACH_SAFE(wi, &wc->waiters, entry, wi1) {
if (cmdq_get_client(wi->item) == c) {
cmdq_continue(wi->item);
TAILQ_REMOVE(&wc->waiters, wi, entry);
free(wi);
}
}
TAILQ_FOREACH_SAFE(wi, &wc->lockers, entry, wi1) {
if (cmdq_get_client(wi->item) == c) {
cmdq_continue(wi->item);
TAILQ_REMOVE(&wc->lockers, wi, entry);
free(wi);
}
}
cmd_wait_for_remove_empty(wc);
}
}
void
cmd_wait_for_flush(void)
{
server-client.c
+4 -1
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@@ -1,4 +1,4 @@
/* $OpenBSD: server-client.c,v 1.512 2026/09/10 11:02:18 nicm Exp $ */
/* $OpenBSD: server-client.c,v 1.514 2026/09/22 06:46:50 nicm Exp $ */
/*
* Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -502,6 +502,9 @@ server_client_lost(struct client *c)
TAILQ_REMOVE(&clients, c, entry);
log_debug("lost client %p", c);
cmd_wait_for_client_lost(c);
cmdq_next(c);
if (c->flags & CLIENT_ATTACHED) {
server_client_attached_lost(c);
events_fire_client("client-detached", c);
tmux.h
+2 -1
View File
@@ -1,4 +1,4 @@
/* $OpenBSD: tmux.h,v 1.1443 2026/09/21 10:33:16 nicm Exp $ */
/* $OpenBSD: tmux.h,v 1.1445 2026/09/22 06:46:50 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -3227,6 +3227,7 @@ void cmdq_print_data(struct cmdq_item *, struct evbuffer *);
void printflike(2, 3) cmdq_error(struct cmdq_item *, const char *, ...);
/* cmd-wait-for.c */
void cmd_wait_for_client_lost(struct client *);
void cmd_wait_for_flush(void);
/* client.c */