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__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

long nr

the bit to change

volatile unsigned long * addr

the address to start counting from

DESCRIPTION

Unlike change_bit, this function is non-atomic and may be reordered. If it's called on the same region of memory simultaneously, the effect may be that only one operation succeeds.

COPYRIGHT

June 2017 Kernel Hackers Manual 4.11