C MP+pooncerelease+poacquireonce | |
(* | |
* Result: Never | |
* | |
* This litmus test demonstrates that smp_store_release() and | |
* smp_load_acquire() provide sufficient ordering for the message-passing | |
* pattern. | |
*) | |
{} | |
P0(int *x, int *y) | |
{ | |
WRITE_ONCE(*x, 1); | |
smp_store_release(y, 1); | |
} | |
P1(int *x, int *y) | |
{ | |
int r0; | |
int r1; | |
r0 = smp_load_acquire(y); | |
r1 = READ_ONCE(*x); | |
} | |
exists (1:r0=1 /\ 1:r1=0) |