[libcxx-commits] [PATCH] D98015: [libcxx] Simplify rounding of durations in win32 __libcpp_thread_sleep_for
Marek Kurdej via Phabricator via libcxx-commits
libcxx-commits at lists.llvm.org
Fri Mar 5 05:57:10 PST 2021
curdeius added inline comments.
Comment at: libcxx/src/support/win32/thread_win32.cpp:250
+ // round-up to the nearest millisecond
+ chrono::milliseconds __ms = std::chrono::ceil<chrono::milliseconds>(__ns);
// FIXME(compnerd) this should be an alertable sleep (WFSO or SleepEx)
> curdeius wrote:
> > Just a remark, not specific to this patch.
> > It seems that in `src/` we sometimes use `_VSTD::` and sometimes `std::`, which is pretty much inconsistent.
> > IMO, we should use `_VSTD::` as much as possible.
> Hmm, right. Would that also go for the references within `_LIBCPP_SEMAPHORE_MAX` as discussed in https://reviews.llvm.org/D97539#inline-919370?
> I'm not entirely sure about the use of `_VSTD::`, but my impression is that it would matter most within headers (where users of the library could redirect things or something like that), while the implementation in `src/` mostly is fixed anyway?
Yes, indeed, it doesn't change much in `src`. As I said, we're just inconsistent.
For the macros, as in D97539, I don't know really, we have both.
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