Name
kfifo_out —
gets some data from the FIFO
Synopsis
unsigned int fsfunckfifo_out ( | struct kfifo * fifo, |
| void * to, |
| unsigned int len) ; |
Arguments
fifo
the fifo to be used.
to
where the data must be copied.
len
the size of the destination buffer.
Description
This function copies at most len
bytes from the FIFO into the
to
buffer and returns the number of copied bytes.
Note that with only one concurrent reader and one concurrent
writer, you don't need extra locking to use these functions.