mm.c File Reference

Create a memory partition.

Parameters:

[in]	memBuf	Specify memory partition head address.
[in]	blockSize	Specify memory block size.
[in]	blockNum	Specify memory block number.
[out]	None

Return values:

E_CREATE_FAIL	Create memory partition fail.
others	Create memory partition successful.

Description

This function is called to create a memory partition.

Definition at line 40 of file mm.c.

Delete a memory partition.

Parameters:

[in]	mmID	Specify memory partition that want to delete.
[out]	None

Return values:

E_INVALID_ID	The memory partition id passed was invalid,delete fail.
E_OK	Delete successful.

Description

This function is called to Delete a memory partition.

Definition at line 105 of file mm.c.

Free a memory buffer to memory partition.

Parameters:

[in]	mmID	Specify memory partition.
[in]	buf	Specify memory buffer that want to free.
[out]	None

Return values:

E_INVALID_ID	The memory partition id passed was invalid.
E_INVALID_PARAMETER	The parameter passed was invalid.
E_OK	Free successful.

Description

This function is called to Delete a memory partition.

Definition at line 232 of file mm.c.

Get free block number in a memory partition.

Parameters:

[in]	mmID	Specify memory partition.
[out]	E_INVALID_ID	Invalid ID was passed and get counter failure.
[out]	E_OK	Get current counter successful.

Return values:

fbNum

The number of free block.

Description

This function is called to get free block number in a memory partition.

Definition at line 145 of file mm.c.

Get a memory buffer from memory partition.

Parameters:

[in]	mmID	Specify memory partition that want to assign buffer.
[out]	None

Return values:

Co_NULL	Assign buffer fail.
others	Assign buffer successful,and return the buffer pointer.

Description

This function is called to Delete a memory partition.

Definition at line 189 of file mm.c.

Memory ID container.

Definition at line 24 of file mm.c.

Table which save memory control block.

Definition at line 23 of file mm.c.