added global block config for buffer affinity

3 files changed, 16 insertions, 0 deletions

diff --git a/include/gnuradio/top_block.hpp b/include/gnuradio/top_block.hpp
index 19daafc..ad9f02a 100644
--- a/include/gnuradio/top_block.hpp
+++ b/include/gnuradio/top_block.hpp
@@ -33,6 +33,15 @@ struct GRAS_API GlobalBlockConfig
      * Default = 0 aka disabled.
      */
     size_t maximum_output_items;
+
+    /*!
+     * Set the global memory node affinity.
+     * Blocks that have not been explicitly set,
+     * will take on this new buffer_affinity.
+     *
+     * Default = -1 aka no affinity.
+     */
+    long buffer_affinity;
 };
 
 struct GRAS_API TopBlock : HierBlock
diff --git a/lib/block_handlers.cpp b/lib/block_handlers.cpp
index 1366e68..ad0d721 100644
--- a/lib/block_handlers.cpp
+++ b/lib/block_handlers.cpp
@@ -123,6 +123,12 @@ void BlockActor::handle_top_config(
         }
     }
 
+    //overwrite with global node affinity setting for buffers if not set
+    if (this->buffer_affinity == -1)
+    {
+        this->buffer_affinity = message.buffer_affinity;
+    }
+
     this->Send(0, from); //ACK
 }
 
diff --git a/lib/top_block.cpp b/lib/top_block.cpp
index 4973b59..bcce1bf 100644
--- a/lib/top_block.cpp
+++ b/lib/top_block.cpp
@@ -23,6 +23,7 @@ using namespace gnuradio;
 GlobalBlockConfig::GlobalBlockConfig(void)
 {
     maximum_output_items = 0;
+    buffer_affinity = -1;
 }
 
 TopBlock::TopBlock(void)