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| author | Roland Kuhn <rk@rkuhn.info> | 2022-05-04 10:58:23 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-05-04 10:58:23 +0200 |
| commit | 3d808d52dec3db864532403f980a38ff98e3af8a (patch) | |
| tree | a59b6b9b9af0e705decf4569427e9a4c99a802bd | |
| parent | 2946f7aad17c5445c3837a6691bf2b7f51e883a8 (diff) | |
| download | rust-3d808d52dec3db864532403f980a38ff98e3af8a.tar.gz rust-3d808d52dec3db864532403f980a38ff98e3af8a.zip | |
add caveat discussed in #74335
| -rw-r--r-- | library/core/src/task/wake.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/library/core/src/task/wake.rs b/library/core/src/task/wake.rs index 301cfacb554..9e74bcc541e 100644 --- a/library/core/src/task/wake.rs +++ b/library/core/src/task/wake.rs @@ -228,6 +228,10 @@ impl Waker { /// /// Note that the above implies that multiple wake-ups may be coalesced into a /// single `poll` invocation by the runtime. + /// + /// Also note that yielding to competing tasks is not guaranteed: it is the + /// executor’s choice which task to run and the executor may choose to run the + /// current task again. #[inline] #[stable(feature = "futures_api", since = "1.36.0")] pub fn wake(self) { |