device3: Fixed potential concurreny issues

- Protected block_ctrl vector with a mutex
  - Note: const block accessors are not thread safe
- Removed sid_framer from base device3 class
- Made x300,e300 sid_framers atomic

1 files changed, 1 insertions, 0 deletions

diff --git a/host/lib/device3.cpp b/host/lib/device3.cpp
index c3bfb83d2..b2f27e744 100644
--- a/host/lib/device3.cpp
+++ b/host/lib/device3.cpp
@@ -68,6 +68,7 @@ std::vector<rfnoc::block_id_t> device3::find_blocks(const std::string &block_id_
 
 void device3::clear()
 {
+    boost::lock_guard<boost::mutex> lock(_block_ctrl_mutex);
     for(const block_ctrl_base::sptr &block:  _rfnoc_block_ctrl) {
         block->clear();
     }