Index: b/libdaemon/dfork.c
===================================================================
--- a/libdaemon/dfork.c
+++ b/libdaemon/dfork.c
@@ -529,10 +529,13 @@ int daemon_close_allv(const int except_f
                 closedir(d);
                 errno = saved_errno;
 
                 return -1;
             }
+
+            if (fd == _daemon_retval_pipe[0])
+                _daemon_retval_pipe[0] = -1; /* mark as closed */
         }
 
         closedir(d);
         return 0;
     }
@@ -561,10 +564,13 @@ int daemon_close_allv(const int except_f
         if (found)
             continue;
 
         if (close(fd) < 0 && errno != EBADF)
             return -1;
+
+        if (fd == _daemon_retval_pipe[0])
+            _daemon_retval_pipe[0] = -1; /* mark as closed */
     }
 
     return 0;
 }