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/*
* @copyright Copyright (c) 2016-2020 TOYOTA MOTOR CORPORATION.
*
* 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.
*/
/**
* @file cl_region.h
* @brief region manage
*
*/
#ifndef _CL_REGION_H_ // NOLINT(build/header_guard)
#define _CL_REGION_H_ // NOLINT(build/header_guard)
#include <stdint.h>
#include <stdbool.h>
#include <unistd.h>
#define CL_REGION_DEFAULT_SIZE (4 * 1024)
#define CL_ALIGNOF(type) __alignof(type)
typedef void (*cl_region_cleanup_pt)(void *data);
typedef struct cl_region_cleanup_s cl_region_cleanup_t;
/////////////////////////////////////////////////////////////////////////////////////
/// \ingroup Monitor
/// \~english @par Brief
/// region cleanup struct
/////////////////////////////////////////////////////////////////////////////////////
struct cl_region_cleanup_s { // NOLINT(readability/nolint)
cl_region_cleanup_pt handler;
void *data;
cl_region_cleanup_t *next;
};
typedef struct cl_region_large_s cl_region_large_t;
/////////////////////////////////////////////////////////////////////////////////////
/// \ingroup Monitor
/// \~english @par Brief
/// region large struct
/////////////////////////////////////////////////////////////////////////////////////
struct cl_region_large_s { // NOLINT(readability/nolint)
cl_region_large_t *next;
void *alloc;
size_t size;
};
typedef struct cl_region_s cl_region_t;
/////////////////////////////////////////////////////////////////////////////////////
/// \ingroup Monitor
/// \~english @par Brief
/// region data struct
/////////////////////////////////////////////////////////////////////////////////////
typedef struct {
uint8_t *last;
uint8_t *end;
cl_region_t *next;
int failed;
} cl_region_data_t;
/////////////////////////////////////////////////////////////////////////////////////
/// \ingroup Monitor
/// \~english @par Brief
/// region struct
/////////////////////////////////////////////////////////////////////////////////////
struct cl_region_s { // NOLINT(readability/nolint)
cl_region_data_t d;
size_t max;
cl_region_t *current;
cl_region_large_t *large;
cl_region_cleanup_t *cleanup;
};
#ifdef __cplusplus
extern "C" {
#endif
/**
* @file cl_region.h
*/
/** @addtogroup BaseSystem
* @{
*/
/** @addtogroup native_service
* @ingroup BaseSystem
* @{
*/
/** @addtogroup common_library
* @ingroup native_service
* @{
*/
/////////////////////////////////////////////////////////////////////////////////////
/// \ingroup Region
/// \~english @par Brief
/// Region create
/// \~english @param [in] size
/// size_t - the size to create
/// \~english @retval 0 Success
/// \~english @retval -1 Error
/// \~english @par Prerequisite
/// None
/// \~english @par Change of internal state
/// None
/// \~english @par Conditions of processing failure
/// None
/// \~english @par Classification
/// Public
/// \~english @par Type
/// Sync
/// \~english @par Detail
/// None
/// \~english @see None
////////////////////////////////////////////////////////////////////////////////////
cl_region_t *CL_RegionCreate(size_t size); // NOLINT(readability/nolint)
/////////////////////////////////////////////////////////////////////////////////////
/// \ingroup Region
/// \~english @par Brief
/// Region destroy
/// \~english @param [in] region
/// cl_region_t * - the region to destroy
/// \~english @retval 0 Success
/// \~english @retval -1 Error
/// \~english @par Prerequisite
/// None
/// \~english @par Change of internal state
/// None
/// \~english @par Conditions of processing failure
/// None
/// \~english @par Classification
/// Public
/// \~english @par Type
/// Sync
/// \~english @par Detail
/// None
/// \~english @see None
////////////////////////////////////////////////////////////////////////////////////
void CL_RegionDestroy(cl_region_t *region); // NOLINT(readability/nolint)
/////////////////////////////////////////////////////////////////////////////////////
/// \ingroup Region
/// \~english @par Brief
/// Region allocation
/// \~english @param [in] region
/// cl_region_t * - the region to allocate
/// \~english @param [in] size
/// size_t * - the size to allocate
/// \~english @param [in] align_size
/// size_t * - the size to align
/// \~english @retval the pointer to region allocated
/// \~english @par Prerequisite
/// None
/// \~english @par Change of internal state
/// None
/// \~english @par Conditions of processing failure
/// None
/// \~english @par Classification
/// Public
/// \~english @par Type
/// Sync
/// \~english @par Detail
/// None
/// \~english @see None
////////////////////////////////////////////////////////////////////////////////////
#define CL_RegionAlloc(region, type, length) \
cl_region_alloc(region, sizeof(type) * length, CL_ALIGNOF(type))
void *cl_region_alloc(cl_region_t *region, size_t size, size_t align_size); // NOLINT(readability/nolint)
/////////////////////////////////////////////////////////////////////////////////////
/// \ingroup Region
/// \~english @par Brief
/// Region free
/// \~english @param [in] region
/// cl_region_t * - the region to free
/// \~english @param [in] p
/// void * - the pointer to region
/// \~english @retval true Success
/// \~english @retval false Error
/// \~english @par Prerequisite
/// None
/// \~english @par Change of internal state
/// None
/// \~english @par Conditions of processing failure
/// None
/// \~english @par Classification
/// Public
/// \~english @par Type
/// Sync
/// \~english @par Detail
/// None
/// \~english @see None
////////////////////////////////////////////////////////////////////////////////////
bool CL_RegionFree(cl_region_t *region, void *p); // NOLINT(readability/nolint)
/////////////////////////////////////////////////////////////////////////////////////
/// \ingroup Region
/// \~english @par Brief
/// add region cleanup
/// \~english @param [in] region
/// cl_region_t * - the region to allocate
/// \~english @param [in] size
/// size_t * - the size to add
/// \~english @param [in] align_size
/// size_t * - the size to align
/// \~english @retval the pointer to region cleanup added
/// \~english @par Prerequisite
/// None
/// \~english @par Change of internal state
/// None
/// \~english @par Conditions of processing failure
/// None
/// \~english @par Classification
/// Public
/// \~english @par Type
/// Sync
/// \~english @par Detail
/// None
/// \~english @see None
////////////////////////////////////////////////////////////////////////////////////
#define CL_RegionCleanupAdd(region, type, length) \
cl_region_cleanup_add(region, sizeof(type) * length, CL_ALIGNOF(type))
cl_region_cleanup_t *cl_region_cleanup_add(cl_region_t *region, size_t size, // NOLINT(readability/nolint)
size_t align_size);
/** @}*/ // end of common_library
/** @}*/ // end of NativeService
/** @}*/ // end of BaseSystem
#ifdef __cplusplus
}
#endif
#endif /* _CL_REGION_H_ */ // NOLINT(build/header_guard)
/* vim:set ts=8 sw=2 sts=2: */
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