29 lines
401 B
Plaintext
29 lines
401 B
Plaintext
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)
|