Implement getter function for counter limit

(cherry picked from commit ca7d487357a63e398e5094973518cdabd9f53fa0)

diff --git a/lib/isc/counter.c b/lib/isc/counter.c
index 452ca1066349875ad7d3c92a55d210e2d7b46659..5cfac452f7ac5de7b4c409037d6c3385438844f6 100644 (file)
--- a/lib/isc/counter.c
+++ b/lib/isc/counter.c
@@ -80,6 +80,13 @@ isc_counter_setlimit(isc_counter_t *counter, int limit) {
        atomic_store(&counter->limit, limit);
 }
 
+int
+isc_counter_getlimit(isc_counter_t *counter) {
+       REQUIRE(VALID_COUNTER(counter));
+
+       return atomic_load_acquire(&counter->limit);
+}
+
 void
 isc_counter_attach(isc_counter_t *source, isc_counter_t **targetp) {
        REQUIRE(VALID_COUNTER(source));

diff --git a/lib/isc/include/isc/counter.h b/lib/isc/include/isc/counter.h
index 820e4a2f65a5eba554f91578538cef34f9fc8ac1..30ae273ae058fd319e12a94e6bf3b1ebe4de568f 100644 (file)
--- a/lib/isc/include/isc/counter.h
+++ b/lib/isc/include/isc/counter.h
@@ -68,6 +68,12 @@ isc_counter_setlimit(isc_counter_t *counter, int limit);
  * Set the counter limit.
  */
 
+int
+isc_counter_getlimit(isc_counter_t *counter);
+/*%<
+ * Get the counter limit.
+ */
+
 void
 isc_counter_attach(isc_counter_t *source, isc_counter_t **targetp);
 /*%<