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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /vendor/parking_lot-0.11.2/src/raw_fair_mutex.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/parking_lot-0.11.2/src/raw_fair_mutex.rs')
-rw-r--r--vendor/parking_lot-0.11.2/src/raw_fair_mutex.rs65
1 files changed, 65 insertions, 0 deletions
diff --git a/vendor/parking_lot-0.11.2/src/raw_fair_mutex.rs b/vendor/parking_lot-0.11.2/src/raw_fair_mutex.rs
new file mode 100644
index 000000000..0da6828e0
--- /dev/null
+++ b/vendor/parking_lot-0.11.2/src/raw_fair_mutex.rs
@@ -0,0 +1,65 @@
+// Copyright 2016 Amanieu d'Antras
+//
+// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
+// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
+// http://opensource.org/licenses/MIT>, at your option. This file may not be
+// copied, modified, or distributed except according to those terms.
+
+use crate::raw_mutex::RawMutex;
+use lock_api::RawMutexFair;
+
+/// Raw fair mutex type backed by the parking lot.
+pub struct RawFairMutex(RawMutex);
+
+unsafe impl lock_api::RawMutex for RawFairMutex {
+ const INIT: Self = RawFairMutex(<RawMutex as lock_api::RawMutex>::INIT);
+
+ type GuardMarker = <RawMutex as lock_api::RawMutex>::GuardMarker;
+
+ #[inline]
+ fn lock(&self) {
+ self.0.lock()
+ }
+
+ #[inline]
+ fn try_lock(&self) -> bool {
+ self.0.try_lock()
+ }
+
+ #[inline]
+ unsafe fn unlock(&self) {
+ self.unlock_fair()
+ }
+
+ #[inline]
+ fn is_locked(&self) -> bool {
+ self.0.is_locked()
+ }
+}
+
+unsafe impl lock_api::RawMutexFair for RawFairMutex {
+ #[inline]
+ unsafe fn unlock_fair(&self) {
+ self.0.unlock_fair()
+ }
+
+ #[inline]
+ unsafe fn bump(&self) {
+ self.0.bump()
+ }
+}
+
+unsafe impl lock_api::RawMutexTimed for RawFairMutex {
+ type Duration = <RawMutex as lock_api::RawMutexTimed>::Duration;
+ type Instant = <RawMutex as lock_api::RawMutexTimed>::Instant;
+
+ #[inline]
+ fn try_lock_until(&self, timeout: Self::Instant) -> bool {
+ self.0.try_lock_until(timeout)
+ }
+
+ #[inline]
+ fn try_lock_for(&self, timeout: Self::Duration) -> bool {
+ self.0.try_lock_for(timeout)
+ }
+}