Function to count clients.

diff --git a/usr.bin/tmux/server-client.c b/usr.bin/tmux/server-client.c
index 9e409ba..81218e8 100644 (file)
--- a/usr.bin/tmux/server-client.c
+++ b/usr.bin/tmux/server-client.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: server-client.c,v 1.232 2017/05/16 12:57:26 nicm Exp $ */
+/* $OpenBSD: server-client.c,v 1.233 2017/05/29 20:37:30 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -49,6 +49,21 @@ static void  server_client_dispatch_command(struct client *, struct imsg *);
 static void    server_client_dispatch_identify(struct client *, struct imsg *);
 static void    server_client_dispatch_shell(struct client *);
 
+/* Number of attached clients. */
+u_int
+server_client_how_many(void)
+{
+       struct client   *c;
+       u_int            n;
+
+       n = 0;
+       TAILQ_FOREACH(c, &clients, entry) {
+               if (c->session != NULL && (~c->flags & CLIENT_DETACHING))
+                       n++;
+       }
+       return (n);
+}
+
 /* Identify mode callback. */
 static void
 server_client_callback_identify(__unused int fd, __unused short events,

diff --git a/usr.bin/tmux/tmux.h b/usr.bin/tmux/tmux.h
index 2cc4055..7316d3f 100644 (file)
--- a/usr.bin/tmux/tmux.h
+++ b/usr.bin/tmux/tmux.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: tmux.h,v 1.771 2017/05/29 18:06:34 nicm Exp $ */
+/* $OpenBSD: tmux.h,v 1.772 2017/05/29 20:37:30 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -1836,6 +1836,7 @@ void       server_update_socket(void);
 void    server_add_accept(int);
 
 /* server-client.c */
+u_int   server_client_how_many(void);
 void    server_client_set_identify(struct client *);
 void    server_client_clear_identify(struct client *, struct window_pane *);
 void    server_client_set_key_table(struct client *, const char *);