Increase futex() coverage

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Increase futex() coverage #386

Open metan-ucw opened 6 years ago

metan-ucw commented 6 years ago

At least FUTEX_REQUEUE and FUTEX_CMP_REQUEUE operations are not tested at all and there may be other blind spots as well.

yangx-jy commented 5 years ago

I added a basic test to check functionality of futex(FUTEX_CMP_REQUEUE) by 636dc9a I added a test to check invalid input of futex(FUTEX_CMP_REQUEUE) by a244bcc