Renaming core -> jerry-core.

2015-02-17 19:00:34 +03:00
parent b6d018d019
commit 88353e93cf
183 changed files with 14 additions and 14 deletions
@@ -0,0 +1,80 @@
+/* Copyright 2014-2015 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef JERRY_MEM_POOL_INTERNAL
+#error "Please, use mem_poolman.h instead of mem_pool.h"
+#endif
+
+#ifndef JERRY_MEM_POOL_H
+#define JERRY_MEM_POOL_H
+
+#include "mem-config.h"
+#include "mem-heap.h"
+
+/** \addtogroup pool Memory pool
+ * @{
+ */
+
+/**
+ * Size of a pool (header + chunks)
+ */
+#define MEM_POOL_SIZE \
+  ((size_t) JERRY_MIN (sizeof (mem_pool_state_t) + (1ull << MEM_POOL_MAX_CHUNKS_NUMBER_LOG) * MEM_POOL_CHUNK_SIZE, \
+                       JERRY_ALIGNDOWN (mem_heap_recommend_allocation_size (sizeof (mem_pool_state_t) + \
+                                                                            CONFIG_MEM_LEAST_CHUNK_NUMBER_IN_POOL * \
+                                                                            MEM_POOL_CHUNK_SIZE) \
+                                        - sizeof (mem_pool_state_t), \
+                                        MEM_POOL_CHUNK_SIZE)) + sizeof (mem_pool_state_t))
+
+/**
+ * Number of chunks in a pool
+ */
+#define MEM_POOL_CHUNKS_NUMBER ((MEM_POOL_SIZE - sizeof (mem_pool_state_t)) / MEM_POOL_CHUNK_SIZE)
+
+/**
+ * Get pool's space size
+ */
+#define MEM_POOL_SPACE_START(pool_header_p) ((uint8_t*) ((mem_pool_state_t*) pool_header_p + 1))
+
+/**
+ * Index of chunk in a pool
+ */
+typedef uint8_t mem_pool_chunk_index_t;
+
+/**
+ * State of a memory pool
+ */
+typedef struct __attribute__ ((aligned (MEM_ALIGNMENT))) mem_pool_state_t
+{
+  /** Offset of first free chunk from the beginning of the pool (mem_pool_chunk_index_t) */
+  unsigned int first_free_chunk : MEM_POOL_MAX_CHUNKS_NUMBER_LOG;
+
+  /** Number of free chunks (mem_pool_chunk_index_t) */
+  unsigned int free_chunks_number : MEM_POOL_MAX_CHUNKS_NUMBER_LOG;
+
+  /** Pointer to the next pool with same chunk size */
+  unsigned int next_pool_cp : MEM_HEAP_OFFSET_LOG;
+} mem_pool_state_t;
+
+extern void mem_pool_init (mem_pool_state_t *pool_p, size_t pool_size);
+extern uint8_t* mem_pool_alloc_chunk (mem_pool_state_t *pool_p);
+extern void mem_pool_free_chunk (mem_pool_state_t *pool_p, uint8_t *chunk_p);
+extern bool __attr_const___ mem_pool_is_chunk_inside (mem_pool_state_t *pool_p, uint8_t *chunk_p);
+
+/**
+ * @}
+ */
+
+#endif /* JERRY_MEM_POOL_H */