kfifo_out_peek(9) - phpMan
KFIFO_OUT_PEEK(9) FIFO Buffer KFIFO_OUT_PEEK(9)
NAME
kfifo_out_peek - gets some data from the fifo
SYNOPSIS
kfifo_out_peek(fifo, buf, n);
ARGUMENTS
fifo
address of the fifo to be used
buf
pointer to the storage buffer
n
max. number of elements to get
DESCRIPTION
This macro get the data from the fifo and return the numbers of elements copied. The data
is not removed from the fifo.
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 4.8. January 2017 KFIFO_OUT_PEEK(9)
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