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kfifo_in
Langue: en
Version: October 2010 (fedora - 01/12/10)
Section: 9 (Appels noyau Linux)
NAME
kfifo_in - puts some data into the FIFOSYNOPSIS
- unsigned int kfifo_in(struct kfifo * fifo, const void * from, unsigned int len);
ARGUMENTS
fifo
- the fifo to be used.
from
- the data to be added.
len
- the length of the data to be added.
DESCRIPTION
This function copies at most len bytes from the from buffer into the FIFO depending on the free space, and returns the number of bytes copied.
Note that with only one concurrent reader and one concurrent writer, you don't need extra locking to use these functions.
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