1 files changed, 6 insertions, 0 deletions

diff --git a/libbb/duration.c b/libbb/duration.c
index a6a29ddae..793d02f42 100644
--- a/libbb/duration.c
+++ b/libbb/duration.c
@@ -76,6 +76,12 @@ void FAST_FUNC sleep_for_duration(duration_t duration)
                 ts.tv_sec = duration;
                 ts.tv_nsec = (duration - ts.tv_sec) * 1000000000;
         }
+        /* NB: if ENABLE_ASH_SLEEP, we end up here if "sleep N"
+         * is run in ash. ^C will still work, because ash's signal handler
+         * does not return (it longjumps), the below loop
+         * will not continue looping.
+         * (This wouldn't work in hush)
+         */
         do {
                 errno = 0;
                 nanosleep(&ts, &ts);