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 af2069aef6354201a2156f12d217fdf181010d3b..86b0f2777001b020f5be826c24baf06e54b61d09 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, NULL);
+               io_set_never_wait_alone(io_sig, TRUE);
        }
 }