mempfix.h

#include <queue.h>

ソースコードを見る。

データ構造
struct	fixed_memoryblock_management_block
struct	fixed_memorypool_initialization_block
struct	fixed_memorypool_control_block
struct	fixed_memorypool_waiting_information
マクロ定義
#define	MPFID(p_mpfcb)   ((ID)(((p_mpfcb) - mpfcb_table) + TMIN_MPFID))
型定義
typedef struct fixed_memoryblock_management_block	MPFMB
typedef struct fixed_memorypool_initialization_block	MPFINIB
typedef struct fixed_memorypool_control_block	MPFCB
typedef struct fixed_memorypool_waiting_information	WINFO_MPF
関数
void	initialize_mempfix (void)
void	get_mpf_block (MPFCB *p_mpfcb, void **p_blk)
変数
const ID	tmax_mpfid
const MPFINIB	mpfinib_table []
MPFCB	mpfcb_table []

---

マクロ定義

#define MPFID

(

p_mpfcb

)

((ID)(((p_mpfcb) - mpfcb_table) + TMIN_MPFID))

mempfix.h の 125 行で定義されています。

参照元 ref_tsk().

---

型定義

typedef struct fixed_memorypool_control_block MPFCB

typedef struct fixed_memorypool_initialization_block MPFINIB

typedef struct fixed_memoryblock_management_block MPFMB

typedef struct fixed_memorypool_waiting_information WINFO_MPF

---

関数

void get_mpf_block	(	MPFCB *	p_mpfcb,
		void **	p_blk
	)

mempfix.c の 150 行で定義されています。

参照先 fixed_memorypool_initialization_block::blksz, fixed_memorypool_control_block::fblkcnt, fixed_memorypool_control_block::freelist, INDEX_ALLOC, INDEX_NULL, fixed_memorypool_initialization_block::mpf, fixed_memorypool_control_block::p_mpfinib, fixed_memorypool_initialization_block::p_mpfmb, と fixed_memorypool_control_block::unused.

参照元 get_mpf(), pget_mpf(), と tget_mpf().

{
    uint_t  blkidx;

    if (p_mpfcb->freelist != INDEX_NULL) {
        blkidx = p_mpfcb->freelist;
        p_mpfcb->freelist = (p_mpfcb->p_mpfinib->p_mpfmb + blkidx)->next;
    }
    else {
        blkidx = p_mpfcb->unused;
        p_mpfcb->unused++;
    }
    *p_blk = (void *)((char *)(p_mpfcb->p_mpfinib->mpf)
                                + p_mpfcb->p_mpfinib->blksz * blkidx);
    p_mpfcb->fblkcnt--;
    (p_mpfcb->p_mpfinib->p_mpfmb + blkidx)->next = INDEX_ALLOC;
}

void initialize_mempfix

(

void

)

mempfix.c の 128 行で定義されています。

参照先 fixed_memorypool_initialization_block::blkcnt, fixed_memorypool_control_block::fblkcnt, fixed_memorypool_control_block::freelist, INDEX_NULL, mpfcb_table, mpfinib_table, fixed_memorypool_control_block::p_mpfinib, queue_initialize(), tnum_mpf, fixed_memorypool_control_block::unused, と fixed_memorypool_control_block::wait_queue.

{
    uint_t  i;
    MPFCB   *p_mpfcb;

    for (p_mpfcb = mpfcb_table, i = 0; i < tnum_mpf; p_mpfcb++, i++) {
        queue_initialize(&(p_mpfcb->wait_queue));
        p_mpfcb->p_mpfinib = &(mpfinib_table[i]);
        p_mpfcb->fblkcnt = p_mpfcb->p_mpfinib->blkcnt;
        p_mpfcb->unused = 0U;
        p_mpfcb->freelist = INDEX_NULL;
    }
}

---

変数

MPFCB mpfcb_table[]

const MPFINIB mpfinib_table[]

const ID tmax_mpfid