From 2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:50 +0200 Subject: Merging upstream version 1.69.0+dfsg1. Signed-off-by: Daniel Baumann --- library/std/src/sys/unsupported/once.rs | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'library/std/src/sys/unsupported') diff --git a/library/std/src/sys/unsupported/once.rs b/library/std/src/sys/unsupported/once.rs index b4bb4975f..11fde1888 100644 --- a/library/std/src/sys/unsupported/once.rs +++ b/library/std/src/sys/unsupported/once.rs @@ -1,5 +1,6 @@ use crate::cell::Cell; use crate::sync as public; +use crate::sync::once::ExclusiveState; pub struct Once { state: Cell, @@ -44,6 +45,16 @@ impl Once { self.state.get() == State::Complete } + #[inline] + pub(crate) fn state(&mut self) -> ExclusiveState { + match self.state.get() { + State::Incomplete => ExclusiveState::Incomplete, + State::Poisoned => ExclusiveState::Poisoned, + State::Complete => ExclusiveState::Complete, + _ => unreachable!("invalid Once state"), + } + } + #[cold] #[track_caller] pub fn call(&self, ignore_poisoning: bool, f: &mut impl FnMut(&public::OnceState)) { -- cgit v1.2.3