diff --git a/winsup/cygwin/cygwin.din b/winsup/cygwin/cygwin.din
index a5ff772cd..8d0eaccec 100644
--- a/winsup/cygwin/cygwin.din
+++ b/winsup/cygwin/cygwin.din
@@ -1114,6 +1114,14 @@ cygwin32_internal = cygwin_internal
 @PTH_ALLOW@sem_wait
 @PTH_ALLOW@sem_trywait
 @PTH_ALLOW@sem_post
+sched_get_priority_max
+sched_get_priority_min
+sched_getparam
+sched_getscheduler
+sched_rr_get_interval
+sched_setparam
+sched_setscheduler
+sched_yield
 acl
 _acl = acl
 facl