preempt-rt 0.2.1

A lightweight Rust library for using the kernel's PREEMPT_RT scheduling functionality
Documentation 
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use crate::sched::{IntoSchedParam, Scheduler};
use std::thread;

pub fn spawn<F, T>(scheduler: Scheduler, param: impl IntoSchedParam, f: F) -> thread::JoinHandle<T>
where
    F: FnOnce() -> T,
    F: Send + 'static,
    T: Send + 'static,
{
    try_spawn(scheduler, param, move |set_result| {
        set_result.expect("failed to set scheduler");
        f()
    })
}

#[cfg(target_os = "linux")]
pub fn try_spawn<F, T>(
    scheduler: Scheduler,
    param: impl IntoSchedParam,
    f: F,
) -> thread::JoinHandle<T>
where
    F: FnOnce(crate::sched::RtResult<()>) -> T,
    F: Send + 'static,
    T: Send + 'static,
{
    let param = param.into_sched_param();
    thread::spawn(move || {
        let set_result = scheduler
            .with_priority(param.priority)
            .and_then(|ps| ps.set_current());
        f(set_result)
    })
}

#[cfg(all(feature = "non-linux-stubs", target_os = "macos"))]
pub fn try_spawn<F, T>(
    _scheduler: Scheduler,
    _param: impl IntoSchedParam,
    f: F,
) -> thread::JoinHandle<T>
where
    F: FnOnce(crate::sched::RtResult<()>) -> T,
    F: Send + 'static,
    T: Send + 'static,
{
    thread::spawn(move || f(Err(crate::sched::PreemptRtError::NonLinuxPlatform("macos"))))
}