28 lines
319 B
Plaintext
28 lines
319 B
Plaintext
|
C MP+poonceonces
|
||
|
|
|
||
|
|
(*
|
||
|
|
* Result: Maybe
|
||
|
|
*
|
||
|
|
* Can the counter-intuitive message-passing outcome be prevented with
|
||
|
|
* no ordering at all?
|
||
|
|
*)
|
||
|
|
|
||
|
|
{}
|
||
|
|
|
||
|
|
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)
|