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simplify code

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This commit is contained in:
newpavlov 2019-08-30 17:30:33 +03:00
parent 127311b75e
commit 9fd203a01e
1 changed files with 12 additions and 5 deletions
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17
src/libstd/sys/wasi/thread.rs
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@ -46,11 +46,18 @@ impl Thread {
type_: wasi::EVENTTYPE_CLOCK,
u: wasi::raw::__wasi_subscription_u { clock: clock },
}];
let mut out: [wasi::Event; 1] = [unsafe { mem::zeroed() }];
let n = unsafe { wasi::poll_oneoff(&in_, &mut out).unwrap() };
let wasi::Event { userdata, error, type_, .. } = out[0];
match (n, userdata, error) {
(1, CLOCK_ID, 0) if type_ == wasi::EVENTTYPE_CLOCK => {}
let (res, event) = unsafe {
let mut out: [wasi::Event; 1] = mem::zeroed();
let res = wasi::poll_oneoff(&in_, &mut out);
(res, out[0])
};
match (res, event) {
(Ok(1), wasi::Event {
userdata: CLOCK_ID,
error: 0,
type_: wasi::EVENTTYPE_CLOCK,
..
}) => {}
_ => panic!("thread::sleep(): unexpected result of poll_oneoff"),
}
}