lib: lib-signals - Fix assert panic occurring at ioloop switch without delayed handlers.

Panic was:

Panic: file ioloop.c: line 86 (io_add_to): assertion failed: (fd >= 0)

diff --git a/src/lib/lib-signals.c b/src/lib/lib-signals.c
index 10ebdf8d5de52aa10318ca90b4bb040621194669..577b39a3381bdad30a6b55ed05a6df9d847b797f 100644 (file)
--- a/src/lib/lib-signals.c
+++ b/src/lib/lib-signals.c
@@ -301,7 +301,7 @@ static void ATTR_NULL(1) signal_read(void *context ATTR_UNUSED)
 
 static void lib_signals_enable_delayed_hander(void)
 {
-       if (current_ioloop != NULL) {
+       if (current_ioloop != NULL && sig_pipe_fd[0] > 0) {
                io_sig = io_add(sig_pipe_fd[0], IO_READ,
                        signal_read, NULL);
                io_set_never_wait_alone(io_sig, TRUE);