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      1 /* Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2  * Use of this source code is governed by a BSD-style license that can be
      3  * found in the LICENSE file.
      4  */
      5 
      6 /**
      7  * This file defines the <code>PPB_Memory interface</code> for functions
      8  * related to memory management.
      9  */
     10 
     11 label Chrome {
     12   M14 = 0.1
     13 };
     14 
     15 /**
     16  * The PPB_Memory_Dev interface contains pointers to functions related to memory
     17  * management.
     18  *
     19  */
     20 interface PPB_Memory_Dev {
     21   /**
     22    * MemAlloc is a pointer to a function that allocate memory.
     23    *
     24    * @param[in] num_bytes A number of bytes to allocate.
     25    * @return A pointer to the memory if successful, NULL If the
     26    * allocation fails.
     27    */
     28   mem_t MemAlloc([in] uint32_t num_bytes);
     29 
     30   /**
     31    * MemFree is a pointer to a function that deallocates memory.
     32    *
     33    * @param[in] ptr A pointer to the memory to deallocate. It is safe to
     34    * pass NULL to this function.
     35    */
     36   void MemFree([inout] mem_t ptr);
     37 };
     38