table of contents
| __KFIFO_GET(9) | FIFO Buffer | __KFIFO_GET(9) |
NAME¶
__kfifo_get - gets some data from the FIFO, no locking version
SYNOPSIS¶
unsigned int __kfifo_get(struct kfifo * fifo, unsigned char * buffer, unsigned int len);
ARGUMENTS¶
fifo
the fifo to be used.
buffer
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 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.
COPYRIGHT¶
| April 2023 | Kernel Hackers Manual 2.6. |