/* Copyright (c) 2010 The Chromium Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
#ifndef PPAPI_C_PP_INSTANCE_H_
#define PPAPI_C_PP_INSTANCE_H_

/**
 * @file
 * This file defines the PP_Instance type which uniquely identifies one module
 * instance.
 */

#include "ppapi/c/pp_macros.h"
#include "ppapi/c/pp_stdint.h"

/**
 * @addtogroup Typedefs
 * @{
 */

/**
 * The PP_Instance value uniquely identifies one instance of a module
 * (.nexe/PP_Module). There will be one module instance for every
 * \<embed> tag on a page.
 *
 * This identifier is an opaque handle assigned by the browser to the module. It
 * is guaranteed never to be 0, so a module can initialize it to 0 to
 * indicate a "NULL handle."
 */
typedef int32_t PP_Instance;
PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_Instance, 4);
/**
 * @}
 */

#endif  /* PPAPI_C_PP_INSTANCE_H_ */