kfifo_out

Langue: en

Version: October 2010 (fedora - 01/12/10)

Section: 9 (Appels noyau Linux)

Sommaire

NAME

kfifo_out - gets some data from the FIFO

SYNOPSIS

unsigned int kfifo_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.