...
lib_mem.h/lib_mem.c
Prototype
| Code Block | ||||||
|---|---|---|---|---|---|---|
| ||||||
MEM_POOL_BLK_QTY Mem_PoolBlkGetNbrAvail (MEM_POOL *pmem_pool,
LIB_ERR *perr)
|
Arguments
pmem_pool
Pointer to a memory pool structure.
...
Mem_PoolBlkGetNbrAvail() ONLY supports non-heap memory pools. Mem_HeapGetSizeRem()/Mem_SegGetSizeRem() should be used for heap memory pool/segment (see section 4-4-3 and section 4-4-4).
Example Usage
| Code Block | ||
|---|---|---|
| Language | C++ | CaptionText | CAPTION
| ||
MEM_POOL AppMemPool;
CPU_SIZE_T octets_reqd;
void *pmem_blk;
MEM_POOL_BLK_QTY nbr_blk_rem;
LIB_ERR err;
Mem_PoolCreate((MEM_POOL *)&AppMemPool,
(void *) 0, /* Create pool from heap ... */
(CPU_SIZE_T ) 0u,
(MEM_POOL_BLK_QTY) 10u, /* ... with 10 blocks ... */
(CPU_SIZE_T )100u, /* ... of 100 octets each ... */
(CPU_SIZE_T ) 4u, /* ... and align each block to a 4-byte boundary. */
(CPU_SIZE_T *)&octets_reqd,
(LIB_ERR *)&err);
if (err != LIB_ERR_NONE) {
printf("COULD NOT CREATE MEMORY POOL.");
return;
}
/* Get an 80-byte memory block from the pool. */
pmem_blk = Mem_PoolBlkGet(&AppMemPool, 80u, &err);
if (err != LIB_ERR_NONE) {
printf("COULD NOT GET MEMORY BLOCK FROM MEMORY POOL.");
return;
}
/* Get number of remaining memory pool blocks. */
nbr_blk_rem = Mem_PoolBlkGetNbrAvail(&AppMemPool, &err);
if (err == LIB_ERR_NONE) {
printf("%u more blocks available.", nbr_blk_rem);
} |
...