forked from AbleOS/ableos
58 lines
1.2 KiB
Rust
58 lines
1.2 KiB
Rust
use core::time::Duration;
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pub struct AtomicU32(u32);
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impl AtomicU32 {
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//if v != current value
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pub fn wait(&self, _v: u32) {
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todo!();
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}
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pub fn wait_timeout(&self, _v: u32, _timeout: Duration) -> bool {
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todo!();
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}
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pub fn wake_single(&self) {
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todo!();
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}
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pub fn wake_all(&self) {
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todo!();
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}
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}
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/*
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// SUPER HANDWAVEY
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// YOU WILL NEED LOCKING THAT I DIDNT WRITE OUT (you == zuurr#9735)
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// all the red is by design
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pub fn futex_wait(atom: &AtomicU32, value: usize, current_thread: ThreadID) {
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let address = atomic as *const _ as usize;
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let waiters = waiters_for(address); // Hold lock
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waiters.add(current_thread);
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if self.load() == value {
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current_thread.sleep();
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} else {
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waiters.remove(current_thread);
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}
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}
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pub fn futex_wake(atom: &AtomicU32, threads_to_wake: usize) {
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let address = atomic as *const _ as usize;
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let waiters = waiters_for(address);
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for waiting_thread in waiters.into_iter().take(threads_to_wake) {
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waiting_thread.wake()
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}
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}
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*/
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struct FutexWaitlist {
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address: u8,
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// data: Vec<ThreadID>,
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}
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impl FutexWaitlist {
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pub fn remove(&mut self) {
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todo!();
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}
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pub fn add(&mut self) {
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todo!();
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}
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}
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