table of contents
other versions
__CHANGE_BIT(9) | Basic C Library Functions | __CHANGE_BIT(9) |
NAME¶
__change_bit - Toggle a bit in memorySYNOPSIS¶
void __change_bit(long nr, volatile unsigned long * addr);
ARGUMENTS¶
long nrthe 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¶
July 2017 | Kernel Hackers Manual 4.11 |