mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-02 23:27:06 +00:00
21 lines
197 B
Text
21 lines
197 B
Text
|
C MP+poonceonces
|
||
|
|
||
|
{}
|
||
|
|
||
|
P0(int *x, int *y)
|
||
|
{
|
||
|
WRITE_ONCE(*x, 1);
|
||
|
WRITE_ONCE(*y, 1);
|
||
|
}
|
||
|
|
||
|
P1(int *x, int *y)
|
||
|
{
|
||
|
int r0;
|
||
|
int r1;
|
||
|
|
||
|
r0 = READ_ONCE(*y);
|
||
|
r1 = READ_ONCE(*x);
|
||
|
}
|
||
|
|
||
|
exists (1:r0=1 /\ 1:r1=0)
|