Created a dumb `Lock` type

2 files changed, 26 insertions, 0 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 0922f35..53fc59a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,6 +3,8 @@ use std::fmt::{self, Debug};
 
 use parking_lot::Mutex;
 
+mod lock;
+
 thread_local! {
 	// safety: this is the only place where a ThreadLock is created
 	pub static KEY: Mutex<Option<ThreadKey>> = Mutex::new(Some(unsafe { ThreadKey::new() }));
diff --git a/src/lock.rs b/src/lock.rs
new file mode 100644
index 0000000..becdfaa
--- /dev/null
+++ b/src/lock.rs
@@ -0,0 +1,24 @@
+use std::sync::atomic::{AtomicBool, Ordering};
+
+#[derive(Debug, Default)]
+pub struct Lock {
+	is_locked: AtomicBool,
+}
+
+impl Lock {
+	pub const fn new() -> Self {
+		Self {
+			is_locked: AtomicBool::new(false),
+		}
+	}
+
+	pub fn try_lock(&self) -> bool {
+		self.is_locked
+			.compare_exchange_weak(false, true, Ordering::Acquire, Ordering::Relaxed)
+			.is_ok()
+	}
+
+	pub fn unlock(&self) {
+		self.is_locked.store(false, Ordering::Release)
+	}
+}