xroad_mem_pool.h

Go to the documentation of this file.

 
#pragma once
 
#include <common/xroad_common_types.h>
#include <common/xroad_common_fwd.h>
#include <stdlib.h>
#include <stdint.h>
 
#ifdef __cplusplus
extern "C"
{
#endif
 
typedef enum
{
   xroad_mem_pool_lock = 1,
   xroad_mem_pool_dont_concat_unused = 2
} xroad_mem_pool_flags_t;
 
typedef struct
{
   int32_t page_size;
   int32_t num_pages;
   int32_t flags;
} xroad_mem_pool_create_args_t;
 
xroad_mem_pool_t* xroad_mem_pool_create_ex(uint32_t page_size, uint32_t num_pages, int32_t flags);
 
#define xroad_mem_pool_create(...)                                                                 \
({                                                                                                 \
   xroad_mem_pool_create_args_t args = {.page_size = 1024U * 1024U, .num_pages = 1, __VA_ARGS__};  \
   xroad_mem_pool_create_ex(args.page_size, args.num_pages, args.flags);                           \
})
 
void xroad_mem_pool_destroy(xroad_mem_pool_t* pool);
 
#define __xroad_mem_pool_dtor__ __dtor__(xroad_mem_pool_destructor)
void xroad_mem_pool_destructor(xroad_mem_pool_t** pool);
 
xroad_errno_t xroad_mem_pool_get_errno(xroad_mem_pool_t* pool);
 
xroad_str_t xroad_mem_pool_get_err_descr(xroad_mem_pool_t* pool);
 
void* xroad_mem_pool_malloc(xroad_mem_pool_t* pool, size_t size);
 
void* xroad_mem_pool_calloc(xroad_mem_pool_t* pool, size_t nmemb, size_t size);
 
void* xroad_mem_pool_realloc(xroad_mem_pool_t* pool, void* ptr, size_t size);
 
void xroad_mem_pool_free(xroad_mem_pool_t* pool, void* ptr);
 
size_t xroad_mem_pool_get_size(xroad_mem_pool_t* pool);
 
size_t xroad_mem_pool_get_allocated(xroad_mem_pool_t* pool);
 
#ifdef __cplusplus
}
#endif