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/*
* Copyright (c) 2006-2025, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2025-10-10 foxglove RT-Thread Thread implementation
*/
use crate::alloc::boxed::Box;
use crate::api::*;
use crate::{RTResult, RTTError};
use alloc::string::String;
use core::mem;
use core::ffi::c_void;
#[derive(Debug)]
pub struct Thread(APIRawThread);
impl Thread {
pub fn delay(tick: usize) {
let _ = thread_delay(tick);
}
pub fn ms_delay(ms: usize) {
let _ = thread_m_delay(ms as i32);
}
pub fn new() -> ThreadBuilder {
ThreadBuilder {
th_name: "Unnamed".into(),
th_stack_size: 4096,
th_priority: 10,
th_ticks: 10,
}
}
pub fn r#yield() {
thread_yield();
}
pub fn delete_thread(th: Self) {
let _ = thread_delete(th.0);
}
pub fn delete(&self) {
let _ = thread_delete(self.0);
}
unsafe fn spawn_inner(
name: String,
stack_size: u32,
priority: u8,
ticks: u32,
func: Box<dyn FnOnce()>,
) -> Result<Self, RTTError> {
let func = Box::new(func);
let param = &*func as *const _ as *mut _;
extern "C" fn thread_func(param: *mut c_void) {
unsafe {
let run = Box::from_raw(param as *mut Box<dyn FnOnce()>);
run();
}
}
let th_handle = thread_create(
name.as_ref(),
thread_func,
param,
stack_size,
priority,
ticks,
)
.ok_or(RTTError::OutOfMemory)?;
let ret = match Self::_startup(th_handle) {
Ok(_) => {
mem::forget(func);
Ok(Thread(th_handle))
}
Err(e) => Err(e),
};
return ret;
}
fn _startup(th: APIRawThread) -> Result<(), RTTError> {
let ret = thread_startup(th);
return if is_eok(ret) {
Ok(())
} else {
Err(RTTError::ThreadStartupErr)
};
}
pub fn spawn<F>(
name: String,
stack_size: u32,
priority: u8,
ticks: u32,
func: F,
) -> RTResult<Thread>
where
F: FnOnce() -> () + Send + 'static,
{
unsafe { Self::spawn_inner(name, stack_size, priority, ticks, Box::new(func)) }
}
}
unsafe impl Send for Thread {}
pub struct ThreadBuilder {
th_name: String,
th_stack_size: u32,
th_priority: u8,
th_ticks: u32,
}
impl ThreadBuilder {
pub fn name(&mut self, name: &str) -> &mut Self {
self.th_name = name.into();
self
}
pub fn stack_size(&mut self, stack_size: u32) -> &mut Self {
self.th_stack_size = stack_size;
self
}
pub fn priority(&mut self, priority: u8) -> &mut Self {
self.th_priority = priority;
self
}
pub fn ticks(&mut self, ticks: u32) -> &mut Self {
self.th_ticks = ticks;
self
}
pub fn start<F>(&self, func: F) -> RTResult<Thread>
where
F: FnOnce() -> (),
F: Send + 'static,
{
Thread::spawn(
self.th_name.clone(),
self.th_stack_size,
self.th_priority,
self.th_ticks,
func,
)
}
}
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