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Diffstat (limited to 'tools/memory-model/litmus-tests/MP+poonceonces.litmus')
| -rw-r--r-- | tools/memory-model/litmus-tests/MP+poonceonces.litmus | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tools/memory-model/litmus-tests/MP+poonceonces.litmus b/tools/memory-model/litmus-tests/MP+poonceonces.litmus new file mode 100644 index 000000000..b2b60b84f --- /dev/null +++ b/tools/memory-model/litmus-tests/MP+poonceonces.litmus @@ -0,0 +1,27 @@ +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) |