update variable name for consistency

Author: pskiran1

README.md

@@ -52,6 +52,7 @@ any C++ code.
         - [Async Execute](#async-execute)
       - [Request Rescheduling](#request-rescheduling)
     - [`finalize`](#finalize)
+    - [`is_model_ready`](#is_model_ready)
   - [Model Config File](#model-config-file)
   - [Inference Request Parameters](#inference-request-parameters)
   - [Inference Response Parameters](#inference-response-parameters)

src/pb_stub.cc

@@ -596,7 +596,7 @@ Stub::Initialize(bi::managed_external_buffer::handle_t map_handle)
   }
 
   // Cache whether is_model_ready() function defined in the Python model.
-  ipc_control_->stub_has_model_ready_fn =
+  ipc_control_->stub_has_user_model_readiness_fn =
       py::hasattr(model_instance_, "is_model_ready");
 
   initialized_ = true;

src/pb_utils.h

@@ -145,7 +145,7 @@ struct IPCControlShm {
   bool parent_health;
   bool uses_env;
   bool decoupled;
-  bool stub_has_model_ready_fn;
+  bool stub_has_user_model_readiness_fn;
   bi::interprocess_mutex parent_health_mutex;
   bi::interprocess_mutex stub_health_mutex;
   bi::managed_external_buffer::handle_t stub_message_queue;

src/python_be.cc

@@ -994,7 +994,7 @@ ModelInstanceState::RunUserModelReadinessCheck(bool* is_ready)
 
   // FAST PATH: No user-defined function - return immediately
   // (zero IPC overhead)
-  if (!Stub()->HasUserModelReadyFunction()) {
+  if (!Stub()->HasUserModelReadinessFunction()) {
     *is_ready = true;
     return nullptr;
   }

src/stub_launcher.cc

@@ -178,7 +178,7 @@ StubLauncher::Setup()
   ipc_control_->decoupled = is_decoupled_;
 
   // Will be set by the stub during initialization
-  ipc_control_->stub_has_model_ready_fn = false;
+  ipc_control_->stub_has_user_model_readiness_fn = false;
 
   memory_manager_ =
       std::make_unique<MemoryManager>(std::move(memory_manager_message_queue));

src/stub_launcher.h

@@ -139,9 +139,9 @@ class StubLauncher {
   // Returns true if is_model_ready() is defined in the Python model.
   // Reads directly from shared memory (set by the stub during initialization).
   // Returns false if not set yet (safe default).
-  bool HasUserModelReadyFunction() const
+  bool HasUserModelReadinessFunction() const
   {
-    return ipc_control_ ? ipc_control_->stub_has_model_ready_fn : false;
+    return ipc_control_ ? ipc_control_->stub_has_user_model_readiness_fn : false;
   }
 
   // Destruct Stub process