lib: Mark signal waiting IO as "never wait alone"

This signal is being automatically moved to nested ioloops. It can't be the
only IO being waited, since there's no code that simply wants to wait for a
signal.

diff --git a/src/lib/lib-signals.c b/src/lib/lib-signals.c
index adecc908ade8c791a6be5b14b55cd8d283317f3b..ce61bbb114c1a84c0b3d28241b5f53d232687182 100644 (file)
--- a/src/lib/lib-signals.c
+++ b/src/lib/lib-signals.c
@@ -301,6 +301,7 @@ lib_signals_enable_delayed_hander(void)
        if (current_ioloop != NULL) {
                io_sig = io_add(sig_pipe_fd[0], IO_READ,
                        signal_read, (void *)NULL);
+               io_set_never_wait_alone(io_sig, TRUE);
        }
 }