Struct sync::raw::Semaphore
pub struct Semaphore {
// some fields omitted
}A counting, blocking, bounded-waiting semaphore.
Methods
impl Semaphore
fn new(count: int) -> Semaphore
Create a new semaphore with the specified count.
fn acquire(&self)
Acquire a resource represented by the semaphore. Blocks if necessary until resource(s) become available.
fn release(&self)
Release a held resource represented by the semaphore. Wakes a blocked contending task, if any exist. Won't block the caller.
fn access<'a>(&'a self) -> SemaphoreGuard<'a>
Acquire a resource of this semaphore, returning an RAII guard which will release the resource when dropped.