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kfifo_in_rec
Langue: en
Version: October 2010 (fedora - 01/12/10)
Section: 9 (Appels noyau Linux)
NAME
kfifo_in_rec - puts some record data into the FIFOSYNOPSIS
- __must_check unsigned int kfifo_in_rec(struct kfifo * fifo, void * from, unsigned int n, unsigned int recsize);
ARGUMENTS
fifo
- the fifo to be used.
from
- the data to be added.
n
- the length of the data to be added.
recsize
- size of record field
DESCRIPTION
This function copies n bytes from the from into the FIFO and returns the number of bytes which cannot be copied. A returned value greater than the n value means that the record doesn't fit into the buffer.
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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