avoid sleeping in ecrt_master_send_ext()

mini.c example now plays well with EoE.
2024-06-05 16:24:12 +02:00 · 2024-06-05 16:24:12 +02:00 · 3a064cac2a
parent f4e9367dde
commit 3a064cac2a
1 changed files with 3 additions and 1 deletions
--- a/master/master.c
+++ b/master/master.c
@ -2533,7 +2533,9 @@ int ecrt_master_send_ext(ec_master_t *master)
 {
    ec_datagram_t *datagram, *next;

-    down(&master->ext_queue_sem);
+    if (down_trylock(&master->ext_queue_sem))
+        return;
+
    list_for_each_entry_safe(datagram, next, &master->ext_datagram_queue,
            ext_queue) {
        list_del_init(&datagram->ext_queue);