[CTL] Add CTL by handle

.github/workflows/reusable_compatibility.yml

@@ -110,7 +110,7 @@ jobs:
       run: >
         UMF_LOG="level:warning;flush:debug;output:stderr;pid:no" 
         LD_LIBRARY_PATH=${{github.workspace}}/latest_version/build/lib/ 
-        ctest --output-on-failure
+        ctest --output-on-failure -E "umf-mempolicy" # disable tests that rely on internal structures
 
   windows-build:
     name: Windows

include/umf/base.h

@@ -50,6 +50,43 @@ typedef enum umf_result_t {
     UMF_RESULT_ERROR_UNKNOWN = 0x7ffffffe ///< Unknown or internal error
 } umf_result_t;
 
+/// @brief Type of the CTL query
+typedef enum umf_ctl_query_type {
+    CTL_QUERY_READ,
+    CTL_QUERY_WRITE,
+    CTL_QUERY_RUNNABLE,
+    CTL_QUERY_SUBTREE,
+
+    MAX_CTL_QUERY_TYPE
+} umf_ctl_query_type_t;
+
+///
+/// @brief Get value of a specified attribute at the given name.
+/// @param name name of an attribute to be retrieved
+/// @param ctx pointer to the pool or the provider
+/// @param arg [out] pointer to the variable where the value will be stored
+/// @return UMF_RESULT_SUCCESS on success or UMF_RESULT_ERROR_UNKNOWN on failure.
+///
+umf_result_t umfCtlGet(const char *name, void *ctx, void *arg);
+
+///
+/// @brief Set value of a specified attribute at the given name.
+/// @param name name of an attribute to be set
+/// @param ctx pointer to the pool or the provider
+/// @param arg [in] pointer to the value that will be set
+/// @return UMF_RESULT_SUCCESS on success or UMF_RESULT_ERROR_UNKNOWN on failure.
+///
+umf_result_t umfCtlSet(const char *name, void *ctx, void *arg);
+
+///
+/// @brief Execute callback related with the specified attribute.
+/// @param name name of an attribute to be executed
+/// @param ctx pointer to the pool or the provider
+/// @param arg [in/out] pointer to the value, can be used as an input or output
+/// @return UMF_RESULT_SUCCESS on success or UMF_RESULT_ERROR_UNKNOWN on failure.
+///
+umf_result_t umfCtlExec(const char *name, void *ctx, void *arg);
+
 #ifdef __cplusplus
 }
 #endif

include/umf/memory_pool_ops.h

@@ -125,6 +125,22 @@ typedef struct umf_memory_pool_ops_t {
     ///         The value is undefined if the previous allocation was successful.
     ///
     umf_result_t (*get_last_allocation_error)(void *pool);
+
+    ///
+    /// @brief Control operation for the memory pool.
+    ///        The function is used to perform various control operations
+    ///        on the memory pool.
+    ///
+    /// @param hPool handle to the memory pool.
+    /// @param operationType type of the operation to be performed.
+    /// @param name name associated with the operation.
+    /// @param arg argument for the operation.
+    /// @param queryType type of the query to be performed.
+    ///
+    /// @return umf_result_t result of the control operation.
+    ///
+    umf_result_t (*ctl)(void *hPool, int operationType, const char *name,
+                        void *arg, umf_ctl_query_type_t queryType);
 } umf_memory_pool_ops_t;
 
 #ifdef __cplusplus

include/umf/memory_provider_ops.h

@@ -82,7 +82,6 @@ typedef struct umf_memory_provider_ext_ops_t {
     ///
     umf_result_t (*allocation_split)(void *hProvider, void *ptr,
                                      size_t totalSize, size_t firstSize);
-
 } umf_memory_provider_ext_ops_t;
 
 ///
@@ -250,6 +249,23 @@ typedef struct umf_memory_provider_ops_t {
     /// @brief Optional IPC ops. The API allows sharing of memory objects across different processes.
     ///
     umf_memory_provider_ipc_ops_t ipc;
+
+    ///
+    /// @brief Control operation for the memory provider.
+    ///        The function is used to perform various control operations
+    ///        on the memory provider.
+    ///
+    /// @param hProvider handle to the memory provider.
+    /// @param operationType type of the operation to be performed.
+    /// @param name name associated with the operation.
+    /// @param arg argument for the operation.
+    /// @param queryType type of the query to be performed.
+    ///
+    /// @return umf_result_t result of the control operation.
+    ///
+    umf_result_t (*ctl)(void *hProvider, int operationType, const char *name,
+                        void *arg, umf_ctl_query_type_t queryType);
+
 } umf_memory_provider_ops_t;
 
 #ifdef __cplusplus