fuchsia_sync/
lib.rs

1// Copyright 2023 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5//! Fuchsia-native synchronization primitives.
6
7mod condvar;
8pub use condvar::*;
9
10#[cfg(target_os = "fuchsia")]
11mod mutex;
12#[cfg(target_os = "fuchsia")]
13mod rwlock;
14
15#[cfg(target_os = "fuchsia")]
16use mutex::RawSyncMutex as RawMutex;
17#[cfg(not(target_os = "fuchsia"))]
18use parking_lot::RawMutex;
19
20#[cfg(not(target_os = "fuchsia"))]
21use parking_lot::RawRwLock;
22#[cfg(target_os = "fuchsia")]
23use rwlock::RawSyncRwLock as RawRwLock;
24
25#[cfg(not(detect_lock_cycles))]
26type RawMutexImpl = RawMutex;
27#[cfg(detect_lock_cycles)]
28type RawMutexImpl = tracing_mutex::lockapi::TracingWrapper<RawMutex>;
29
30#[cfg(not(detect_lock_cycles))]
31type RawRwLockImpl = RawRwLock;
32#[cfg(detect_lock_cycles)]
33type RawRwLockImpl = tracing_mutex::lockapi::TracingWrapper<RawRwLock>;
34
35pub type Mutex<T> = lock_api::Mutex<RawMutexImpl, T>;
36pub type MutexGuard<'a, T> = lock_api::MutexGuard<'a, RawMutexImpl, T>;
37pub type MappedMutexGuard<'a, T> = lock_api::MappedMutexGuard<'a, RawMutexImpl, T>;
38
39pub type RwLock<T> = lock_api::RwLock<RawRwLockImpl, T>;
40pub type RwLockReadGuard<'a, T> = lock_api::RwLockReadGuard<'a, RawRwLockImpl, T>;
41pub type RwLockWriteGuard<'a, T> = lock_api::RwLockWriteGuard<'a, RawRwLockImpl, T>;
42pub type MappedRwLockReadGuard<'a, T> = lock_api::MappedRwLockReadGuard<'a, RawRwLockImpl, T>;
43pub type MappedRwLockWriteGuard<'a, T> = lock_api::MappedRwLockWriteGuard<'a, RawRwLockImpl, T>;
44
45/// Prevent potential deadlocks from panicking when lock cycle detection is enabled. This will
46/// cause them to print instead of exiting the process.
47pub fn suppress_lock_cycle_panics() {
48    #[cfg(detect_lock_cycles)]
49    tracing_mutex::suppress_panics();
50}
fuchsia_sync/lib.rs

fuchsia_sync/
lib.rs
