Scroll to navigation

CHANGE_BIT(9) Basic C Library Functions CHANGE_BIT(9)

NAME

change_bit - Toggle a bit in memory

SYNOPSIS

void change_bit(long nr, volatile unsigned long * addr);

ARGUMENTS

nr
Bit to change
addr
Address to start counting from

DESCRIPTION

 
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.

COPYRIGHT

February 2017 Kernel Hackers Manual 3.16