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- stretch 4.9.168-1
| KFIFO_OUT_PEEK(9) | FIFO Buffer | KFIFO_OUT_PEEK(9) |
NAME¶
kfifo_out_peek - gets some data from the fifoSYNOPSIS¶
kfifo_out_peek(fifo, buf, n);
ARGUMENTS¶
fifoaddress 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¶
| April 2019 | Kernel Hackers Manual 4.9. |