Esempi in C++ (Cpp) per BYTES_AVAIL_TO_WRITE

Esempio n. 1

static inline void
GetRingBufferAvailBytes(RING_BUFFER_INFO *rbi, u32 *read, u32 *write)
{
	u32 read_loc,write_loc;

	
	read_loc = rbi->RingBuffer->ReadIndex;
	write_loc = rbi->RingBuffer->WriteIndex;

	*write = BYTES_AVAIL_TO_WRITE(read_loc, write_loc, rbi->RingDataSize);
	*read = rbi->RingDataSize - *write;
}

Esempio n. 2

File: ring_buffer.c Progetto: 3sOx/asuswrt-merlin

/*++

Name:
	GetRingBufferAvailBytes()

Description:
	Get number of bytes available to read and to write to
	for the specified ring buffer

--*/
static inline void
GetRingBufferAvailBytes(struct hv_ring_buffer_info *rbi, u32 *read, u32 *write)
{
	u32 read_loc, write_loc;

	/* Capture the read/write indices before they changed */
	read_loc = rbi->RingBuffer->ReadIndex;
	write_loc = rbi->RingBuffer->WriteIndex;

	*write = BYTES_AVAIL_TO_WRITE(read_loc, write_loc, rbi->RingDataSize);
	*read = rbi->RingDataSize - *write;
}

Esempio n. 3

/*
 *
 * hv_get_ringbuffer_availbytes()
 *
 * Get number of bytes available to read and to write to
 * for the specified ring buffer
 */
static inline void
hv_get_ringbuffer_availbytes(struct hv_ring_buffer_info *rbi,
			  u32 *read, u32 *write)
{
	u32 read_loc, write_loc;

	/* Capture the read/write indices before they changed */
	read_loc = rbi->ring_buffer->read_index;
	write_loc = rbi->ring_buffer->write_index;

	*write = BYTES_AVAIL_TO_WRITE(read_loc, write_loc, rbi->ring_datasize);
	*read = rbi->ring_datasize - *write;
}