change_bit (9) - Linux Manuals

change_bit: Toggle a bit in memory

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.

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