36 lines
465 B
Plaintext
36 lines
465 B
Plaintext
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C WRC+poonceonces+Once
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(*
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* Result: Sometimes
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*
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* This litmus test is an extension of the message-passing pattern,
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* where the first write is moved to a separate process. Note that this
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* test has no ordering at all.
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*)
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{}
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P0(int *x)
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{
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WRITE_ONCE(*x, 1);
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}
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P1(int *x, int *y)
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{
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int r0;
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r0 = READ_ONCE(*x);
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WRITE_ONCE(*y, 1);
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}
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P2(int *x, int *y)
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{
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int r0;
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int r1;
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r0 = READ_ONCE(*y);
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r1 = READ_ONCE(*x);
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}
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exists (1:r0=1 /\ 2:r0=1 /\ 2:r1=0)
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