score: Add _Freechain_Extend()

Update #3835.

1 files changed, 18 insertions, 0 deletions

diff --git a/cpukit/include/rtems/score/freechain.h b/cpukit/include/rtems/score/freechain.h
index e656f64f8e..eaee077366 100644
--- a/cpukit/include/rtems/score/freechain.h
+++ b/cpukit/include/rtems/score/freechain.h
@@ -104,6 +104,24 @@ RTEMS_INLINE_ROUTINE void *_Freechain_Pop( Freechain_Control *freechain )
 }
 
 /**
+ * @brief Extend the freechain with new nodes.
+ *
+ * @param freechain The freechain control.
+ * @param allocator The allocator function.
+ * @param number_nodes_to_extend The number of nodes to extend.
+ * @param node_size The node size.
+ *
+ * @retval NULL The extend operation failed.
+ * @retval nodes Pointer to the new nodes.
+ */
+void *_Freechain_Extend(
+  Freechain_Control   *freechain,
+  Freechain_Allocator  allocator,
+  size_t               number_nodes_to_extend,
+  size_t               node_size
+);
+
+/**
  * @brief Gets a node from the freechain.
  *
  * @param[in, out] freechain The freechain control.