1 files changed, 1 insertions, 0 deletions
diff --git a/tmux.h b/tmux.h
index 3e6ecec2..b1f733aa 100644
--- a/tmux.h
+++ b/tmux.h
@@ -1308,6 +1308,7 @@ void		 logfile(const char *);
 const char	*getshell(void);
 int		 checkshell(const char *);
 int		 areshell(const char *);
+void		 setblocking(int, int);
 __dead void	 shell_exec(const char *, const char *);
 
 /* cfg.c */