use crate::mutex::new_mutex;
use crate::Mutex;
#[derive(Default)]
pub struct LockGroup {
counter: usize,
unique_id: Box<u8>,
}
impl LockGroup {
pub fn new() -> Self {
Default::default()
}
pub fn id(&self) -> usize {
self.unique_id.as_ref() as *const _ as usize
}
pub fn mutex<T>(&mut self, value: T) -> Mutex<T> {
let r = new_mutex(value, self.counter);
self.counter = self
.counter
.checked_add(1)
.expect("Allocated more than `usize::MAX` locks");
r
}
pub fn token(&mut self) -> LockToken {
LockToken { _opaque: () }
}
}
pub struct LockToken {
_opaque: (),
}