KFIFO_GET(9) FIFO Buffer KFIFO_GET(9)
NAME
kfifo_get - get data from the fifo
SYNOPSIS
kfifo_get(fifo, val);
ARGUMENTS
fifo
address of the fifo to be used
val
the var where to store the data to be added
DESCRIPTION
This macro reads the data from the fifo. It returns 0 if the fifo was empty. Otherwise it returns the number processed elements.
Note that with only one concurrent reader and one concurrent writer, you don't need extra locking to use these macro.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 KFIFO_GET(9)
