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// 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.

//! This library provides implementations of `Mutex`, `RwLock`, `Condvar` and
//! `Once` that are smaller, faster and more flexible than those in the Rust
//! standard library. It also provides a `ReentrantMutex` type.

#![warn(missing_docs)]
#![warn(rust_2018_idioms)]
#![cfg_attr(feature = "nightly", feature(llvm_asm))]

mod condvar;
mod elision;
mod fair_mutex;
mod mutex;
mod once;
mod raw_fair_mutex;
mod raw_mutex;
mod raw_rwlock;
mod remutex;
mod rwlock;
mod util;

#[cfg(feature = "deadlock_detection")]
pub mod deadlock;
#[cfg(not(feature = "deadlock_detection"))]
mod deadlock;

// If deadlock detection is enabled, we cannot allow lock guards to be sent to
// other threads.
#[cfg(all(feature = "send_guard", feature = "deadlock_detection"))]
compile_error!("the `send_guard` and `deadlock_detection` features cannot be used together");
#[cfg(feature = "send_guard")]
type GuardMarker = lock_api::GuardSend;
#[cfg(not(feature = "send_guard"))]
type GuardMarker = lock_api::GuardNoSend;

pub use self::condvar::{Condvar, WaitTimeoutResult};
pub use self::fair_mutex::{const_fair_mutex, FairMutex, FairMutexGuard, MappedFairMutexGuard};
pub use self::mutex::{const_mutex, MappedMutexGuard, Mutex, MutexGuard};
pub use self::once::{Once, OnceState};
pub use self::raw_fair_mutex::RawFairMutex;
pub use self::raw_mutex::RawMutex;
pub use self::raw_rwlock::RawRwLock;
pub use self::remutex::{
    const_reentrant_mutex, MappedReentrantMutexGuard, RawThreadId, ReentrantMutex,
    ReentrantMutexGuard,
};
pub use self::rwlock::{
    const_rwlock, MappedRwLockReadGuard, MappedRwLockWriteGuard, RwLock, RwLockReadGuard,
    RwLockUpgradableReadGuard, RwLockWriteGuard,
};
pub use ::lock_api;