1 files changed, 1 insertions, 1 deletions
diff --git a/lib/lib.h b/lib/lib.h
index 2cb0c07a..e90e79f2 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -322,7 +322,7 @@ void mode_to_string(mode_t mode, char *buf);
 char *getbasename(char *name);
 void names_to_pid(char **names, int (*callback)(pid_t pid, char *name));
 
-pid_t xvforkwrap(pid_t pid);
+pid_t __attribute__((returns_twice)) xvforkwrap(pid_t pid);
 #define XVFORK() xvforkwrap(vfork())
 
 // Wrapper to make xfuncs() return (via longjmp) instead of exiting.