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29 lines
412 B
29 lines
412 B
C LB+poacquireonce+pooncerelease |
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(* |
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* Result: Never |
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* |
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* Does a release-acquire pair suffice for the load-buffering litmus |
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* test, where each process reads from one of two variables then writes |
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* to the other? |
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*) |
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{} |
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P0(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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smp_store_release(y, 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 = smp_load_acquire(y); |
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WRITE_ONCE(*x, 1); |
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} |
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exists (0:r0=1 /\ 1:r0=1)
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