sdk/lib/async/rust/sys/src/default.rs

// Copyright 2026 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

//! This file is not generated by bindgen because it doesn't really make sense to use bindgen
//! to generate two function signatures that are unlikely to change.
//!
//! The original definitions are in //sdk/lib/async-default/include/lib/async

use crate::async_dispatcher_t;

unsafe extern "C" {
    // SAFETY: This API is safe to call at any time.
    /// Gets the currently active async dispatcher for the current thread, if set.
    pub safe fn async_get_default_dispatcher() -> *const async_dispatcher_t;

    /// Sets the current thread's default asynchronous dispatcher interface.
    /// May be set to |NULL| if this thread doesn't have a default dispatcher.
    ///
    /// # Safety
    ///
    /// The caller must ensure that the dispatcher being passed in is currently
    /// valid, and that it will remain valid until either the current thread has
    /// exited or it has been replaced with another dispatcher (including NULL).
    pub unsafe fn async_set_default_dispatcher(dispatcher: *const async_dispatcher_t);
}