change_bit9
Toggle a bit in memory
Usage
void change_bit(long nr, volatile unsigned long * addr);
Arguments
nr
Bit to change
addr
Address to start counting from
Overview
change_bit is atomic and may not be reordered. Note that nr may be almost arbitrarily large; this function is not restricted to acting on a single-word quantity.
Releases
6 releases since Debian 4.0 (Etch); the text changed 5 times.