los_heap.h文件参考

浏览该文件的源代码。

数据结构
struct	LOS_HEAP_NODE
struct	LOS_HEAP_MANAGER
宏定义
#define	IS_ALIGNED(value)   (0 == (((UINT32)(value)) & ((UINT32)(value - 1))))
#define	OS_MEM_ALIGN(value, uwAlign)   (((UINT32)(value) + (UINT32)(uwAlign - 1)) & (~(UINT32)(uwAlign - 1)))
#define	OS_MEM_ALIGN_FLAG   (0x80000000)
#define	OS_MEM_SET_ALIGN_FLAG(uwAlign)   (uwAlign = ((uwAlign) | OS_MEM_ALIGN_FLAG))
#define	OS_MEM_GET_ALIGN_FLAG(uwAlign)   ((uwAlign) & OS_MEM_ALIGN_FLAG)
#define	OS_MEM_GET_ALIGN_GAPSIZE(uwAlign)   ((uwAlign) & (~OS_MEM_ALIGN_FLAG))
#define	RAM_HEAP_SIZE   ((OS_SYS_MEM_SIZE) &~ 7)
#define	RAM_HEAP_START   (OS_SYS_MEM_ADDR)
函数
BOOL	osHeapInit (VOID *pPool, UINT32 uwSz)
	Initialization heap memory.
VOID *	osHeapAlloc (VOID *pPool, UINT32 uwSz)
	Alloc memory block from heap memory.
VOID *	osHeapAllocAlign (VOID *pPool, UINT32 uwSz, UINT32 uwBoundary)
	Alloc aligned memory block from heap memory.
BOOL	osHeapFree (VOID *pPool, VOID *pPtr)
	Free memory block from heap memory.
UINT32	osHeapGetHeapMemoryPeak (VOID)
	Get the memory info from Heap.