[wasmtime-wasi] fix logic error in monotonic-clock/subscribe
#6993
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When calculating the number of nanoseconds to wait, we should subtract the current time from the deadline, not vice-versa. This was causing guests to sleep indefinitely due to integer underflow. Signed-off-by: Joel Dice <[email protected]>
alexcrichton
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Sep 11, 2023
Note that this is annotated `should_panic` when testing preview1 scenarios, since those won't have preview2 imports. Signed-off-by: Joel Dice <[email protected]>
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I've added a test. |
pchickey
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Sep 11, 2023
alexcrichton
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Sep 12, 2023
* [wasmtime-wasi] fix logic error in `monotonic-clock/subscribe` When calculating the number of nanoseconds to wait, we should subtract the current time from the deadline, not vice-versa. This was causing guests to sleep indefinitely due to integer underflow. Signed-off-by: Joel Dice <[email protected]> * add `sleep` test to `wasi-tests` Note that this is annotated `should_panic` when testing preview1 scenarios, since those won't have preview2 imports. Signed-off-by: Joel Dice <[email protected]> --------- Signed-off-by: Joel Dice <[email protected]>
eduardomourar
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Sep 13, 2023
…odealliance#6993) * [wasmtime-wasi] fix logic error in `monotonic-clock/subscribe` When calculating the number of nanoseconds to wait, we should subtract the current time from the deadline, not vice-versa. This was causing guests to sleep indefinitely due to integer underflow. Signed-off-by: Joel Dice <[email protected]> * add `sleep` test to `wasi-tests` Note that this is annotated `should_panic` when testing preview1 scenarios, since those won't have preview2 imports. Signed-off-by: Joel Dice <[email protected]> --------- Signed-off-by: Joel Dice <[email protected]>
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When calculating the number of nanoseconds to wait, we should subtract the current time from the deadline, not vice-versa. This was causing guests to sleep indefinitely due to integer underflow.