Unexperiment pool get name

include/umf/base.h

@@ -28,7 +28,7 @@ extern "C" {
 #define UMF_MINOR_VERSION(_ver) (_ver & 0x0000ffff)
 
 /// @brief Current version of the UMF headers
-#define UMF_VERSION_CURRENT UMF_MAKE_VERSION(0, 11)
+#define UMF_VERSION_CURRENT UMF_MAKE_VERSION(0, 12)
 
 /// @brief Operation results
 typedef enum umf_result_t {

include/umf/memory_pool_ops.h

@@ -130,8 +130,21 @@ typedef struct umf_memory_pool_ops_t {
     umf_result_t (*get_last_allocation_error)(void *pool);
 
     ///
-    /// Following functions, with ext prefix, are optional and memory pool implementation
-    /// can keep them NULL.
+    /// @brief Retrieves the name of the memory pool
+    /// @param pool valid pointer to the memory pool or NULL value
+    /// @param name [out] pointer to a constant character string that will be set to the pool's name
+    /// \details
+    /// * Implementations *must* return a literal null-terminated string.
+    ///
+    /// * Implementations *must* return default pool name when NULL is provided,
+    ///   otherwise the pool's name is returned.
+    /// @return UMF_RESULT_SUCCESS on success or appropriate error code on failure.
+    ///
+    umf_result_t (*get_name)(void *pool, const char **name);
+
+    ///
+    /// The following function is optional and memory pool implementation
+    /// can keep it NULL.
     ///
 
     ///
@@ -152,18 +165,6 @@ typedef struct umf_memory_pool_ops_t {
                             void *arg, size_t size,
                             umf_ctl_query_type_t queryType);
 
-    ///
-    /// @brief Retrieves the name of the memory pool
-    /// @param pool valid pointer to the memory pool or NULL value
-    /// @param name [out] pointer to a constant character string that will be set to the pool's name
-    /// \details
-    /// * Implementations *must* return a literal null-terminated string.
-    ///
-    /// * Implementations *must* return default pool name when NULL is provided,
-    ///   otherwise the pool's name is returned.
-    /// @return UMF_RESULT_SUCCESS on success or appropriate error code on failure.
-    ///
-    umf_result_t (*ext_get_name)(void *pool, const char **name);
 } umf_memory_pool_ops_t;
 
 #ifdef __cplusplus

src/memory_pool.c

@@ -210,16 +210,10 @@ static umf_result_t umfPoolCreateInternal(const umf_memory_pool_ops_t *ops,
     // Set default property "name" to pool if exists
     for (int i = 0; i < UMF_DEFAULT_SIZE; i++) {
         const char *pname = NULL;
-        if (ops->ext_get_name) {
-            ret = ops->ext_get_name(NULL, &pname);
-            if (ret != UMF_RESULT_SUCCESS) {
-                LOG_ERR("Failed to get pool name");
-                goto err_pool_init;
-            }
-        } else {
-            LOG_INFO("Pool name getter is not implemented, CTL defaults "
-                     "settings are not supported for this pool");
-            break;
+        ret = ops->get_name(NULL, &pname);
+        if (ret != UMF_RESULT_SUCCESS) {
+            LOG_ERR("Failed to get pool name");
+            goto err_pool_init;
         }
         if (CTL_DEFAULT_ENTRIES[i][0] != '\0' && pname &&
             strstr(CTL_DEFAULT_ENTRIES[i], pname)) {
@@ -314,11 +308,7 @@ umf_result_t umfPoolGetMemoryProvider(umf_memory_pool_handle_t hPool,
 umf_result_t umfPoolGetName(umf_memory_pool_handle_t pool, const char **name) {
     UMF_CHECK((pool != NULL), UMF_RESULT_ERROR_INVALID_ARGUMENT);
     UMF_CHECK((name != NULL), UMF_RESULT_ERROR_INVALID_ARGUMENT);
-    if (pool->ops.ext_get_name == NULL) {
-        *name = NULL;
-        return UMF_RESULT_ERROR_NOT_SUPPORTED;
-    }
-    return pool->ops.ext_get_name(pool->pool_priv, name);
+    return pool->ops.get_name(pool->pool_priv, name);
 }
 
 umf_result_t umfPoolCreate(const umf_memory_pool_ops_t *ops,

src/pool/pool_disjoint.c

@@ -1056,7 +1056,7 @@ static umf_memory_pool_ops_t UMF_DISJOINT_POOL_OPS = {
     .malloc_usable_size = disjoint_pool_malloc_usable_size,
     .free = disjoint_pool_free,
     .get_last_allocation_error = disjoint_pool_get_last_allocation_error,
-    .ext_get_name = disjoint_pool_get_name,
+    .get_name = disjoint_pool_get_name,
     .ext_ctl = disjoint_pool_ctl,
 };
 

src/pool/pool_jemalloc.c

@@ -557,6 +557,12 @@ static umf_result_t op_get_last_allocation_error(void *pool) {
     return TLS_last_allocation_error;
 }
 
+static umf_result_t op_get_name(void *pool, const char **name) {
+    (void)pool;
+    *name = "jemalloc";
+    return UMF_RESULT_SUCCESS;
+}
+
 static umf_memory_pool_ops_t UMF_JEMALLOC_POOL_OPS = {
     .version = UMF_POOL_OPS_VERSION_CURRENT,
     .initialize = op_initialize,
@@ -568,6 +574,7 @@ static umf_memory_pool_ops_t UMF_JEMALLOC_POOL_OPS = {
     .malloc_usable_size = op_malloc_usable_size,
     .free = op_free,
     .get_last_allocation_error = op_get_last_allocation_error,
+    .get_name = op_get_name,
 };
 
 const umf_memory_pool_ops_t *umfJemallocPoolOps(void) {

src/pool/pool_proxy.c

@@ -130,6 +130,12 @@ static umf_result_t proxy_get_last_allocation_error(void *pool) {
     return TLS_last_allocation_error;
 }
 
+static umf_result_t proxy_get_name(void *pool, const char **name) {
+    (void)pool;
+    *name = "proxy";
+    return UMF_RESULT_SUCCESS;
+}
+
 static umf_memory_pool_ops_t UMF_PROXY_POOL_OPS = {
     .version = UMF_POOL_OPS_VERSION_CURRENT,
     .initialize = proxy_pool_initialize,
@@ -140,7 +146,8 @@ static umf_memory_pool_ops_t UMF_PROXY_POOL_OPS = {
     .aligned_malloc = proxy_aligned_malloc,
     .malloc_usable_size = proxy_malloc_usable_size,
     .free = proxy_free,
-    .get_last_allocation_error = proxy_get_last_allocation_error};
+    .get_last_allocation_error = proxy_get_last_allocation_error,
+    .get_name = proxy_get_name};
 
 const umf_memory_pool_ops_t *umfProxyPoolOps(void) {
     return &UMF_PROXY_POOL_OPS;

src/pool/pool_scalable.c

@@ -449,7 +449,7 @@ static umf_memory_pool_ops_t UMF_SCALABLE_POOL_OPS = {
     .free = tbb_free,
     .get_last_allocation_error = tbb_get_last_allocation_error,
     .ext_ctl = pool_ctl,
-    .ext_get_name = scalable_get_name,
+    .get_name = scalable_get_name,
 };
 
 const umf_memory_pool_ops_t *umfScalablePoolOps(void) {

test/common/pool_null.c

@@ -70,6 +70,12 @@ static umf_result_t nullGetLastStatus(void *pool) {
     return UMF_RESULT_SUCCESS;
 }
 
+static umf_result_t nullGetName(void *pool, const char **name) {
+    (void)pool;
+    *name = "null";
+    return UMF_RESULT_SUCCESS;
+}
+
 umf_memory_pool_ops_t UMF_NULL_POOL_OPS = {
     .version = UMF_POOL_OPS_VERSION_CURRENT,
     .initialize = nullInitialize,
@@ -81,4 +87,5 @@ umf_memory_pool_ops_t UMF_NULL_POOL_OPS = {
     .malloc_usable_size = nullMallocUsableSize,
     .free = nullFree,
     .get_last_allocation_error = nullGetLastStatus,
+    .get_name = nullGetName,
 };

test/common/pool_trace.c

@@ -93,6 +93,12 @@ static umf_result_t traceGetLastStatus(void *pool) {
     return umfPoolGetLastAllocationError(trace_pool->params.hUpstreamPool);
 }
 
+static umf_result_t traceGetName(void *pool, const char **name) {
+    (void)pool;
+    *name = "trace";
+    return UMF_RESULT_SUCCESS;
+}
+
 umf_memory_pool_ops_t UMF_TRACE_POOL_OPS = {
     .version = UMF_POOL_OPS_VERSION_CURRENT,
     .initialize = traceInitialize,
@@ -104,4 +110,5 @@ umf_memory_pool_ops_t UMF_TRACE_POOL_OPS = {
     .malloc_usable_size = traceMallocUsableSize,
     .free = traceFree,
     .get_last_allocation_error = traceGetLastStatus,
+    .get_name = traceGetName,
 };

test/utils/cpp_helpers.hpp

@@ -79,6 +79,12 @@ template <typename T> umf_memory_pool_ops_t poolOpsBase() {
     UMF_ASSIGN_OP(ops, T, malloc_usable_size, UMF_RESULT_SUCCESS);
     UMF_ASSIGN_OP(ops, T, free, UMF_RESULT_SUCCESS);
     UMF_ASSIGN_OP(ops, T, get_last_allocation_error, UMF_RESULT_ERROR_UNKNOWN);
+    ops.get_name = [](void *, const char **name) {
+        if (name) {
+            *name = "test_pool";
+        }
+        return UMF_RESULT_SUCCESS;
+    };
     return ops;
 }