table of contents
| CHANGE_BIT(9) | Basic C Library Functions | CHANGE_BIT(9) |
NAME¶
change_bit - Toggle a bit in memory
SYNOPSIS¶
void change_bit(int 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¶
| May 2024 | Kernel Hackers Manual 2.6. |