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
the bit to change
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¶
| May 2024 | Kernel Hackers Manual 2.6. |