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Diffstat (limited to '')
-rw-r--r-- | tools/memory-model/litmus-tests/WRC+poonceonces+Once.litmus | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tools/memory-model/litmus-tests/WRC+poonceonces+Once.litmus b/tools/memory-model/litmus-tests/WRC+poonceonces+Once.litmus new file mode 100644 index 000000000..6a2bc12a1 --- /dev/null +++ b/tools/memory-model/litmus-tests/WRC+poonceonces+Once.litmus @@ -0,0 +1,35 @@ +C WRC+poonceonces+Once + +(* + * Result: Sometimes + * + * This litmus test is an extension of the message-passing pattern, + * where the first write is moved to a separate process. Note that this + * test has no ordering at all. + *) + +{} + +P0(int *x) +{ + WRITE_ONCE(*x, 1); +} + +P1(int *x, int *y) +{ + int r0; + + r0 = READ_ONCE(*x); + WRITE_ONCE(*y, 1); +} + +P2(int *x, int *y) +{ + int r0; + int r1; + + r0 = READ_ONCE(*y); + r1 = READ_ONCE(*x); +} + +exists (1:r0=1 /\ 2:r0=1 /\ 2:r1=0) |