ParkerTenBroeck/coroutines
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improved async runtime

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ParkerTenBroeck 2025-04-30 17:48:50 -04:00
parent d4771ef4e0
commit 7bb3547cda
2 changed files with 17 additions and 125 deletions
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112
src/Examples.java
View file

@ -8,82 +8,6 @@ import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets; import java.nio.charset.StandardCharsets;
public class Examples { public class Examples {
// public static Gen<String, Void> parse(String str){
// for(var gen = parse(str); gen.next() instanceof Gen.Yield(var item);){
//
// }
// return Gen.ret();
// }
// public static Gen<String, Void> parse(String str){
// {
// String meow = "10";
// meow += "11";
// Gen.yield(meow);
// Gen.yield(meow);
// Gen.yield(meow);
// Gen.yield(meow);
// }
// for(var split : str.split(" ")){
// Gen.yield(split);
// }
// {
// var str2 = str;
// while(str2.length()>10){
// var len = str2.length();
// Gen.yield(len+" length");
// str2 = str2.substring(1);
// }
// }
//
// while(str.length()>10){
// var len = str.length();
// Gen.yield(len+" length");
// str = str.substring(1);
// }
// return Gen.ret();
// }
// public static Gen<String, Void> gen(int times, double mul) {
// mul -= 0.5;
// for (int i = 0; i < times; i ++) {
// Gen.yield("iteration number: " + i*mul);
// }
// return Gen.ret();
// }
// public static Gen<String, Void> gen(int times, double mul) {
// mul -= 0.5;
// for (int i = 0; i < times; i++) {
// Gen.yield("iteration number: " + i*mul);
// }
// return Gen.ret();
// }
// public static Gen<String, Void> gen() {
// Gen.yield("1");
// Gen.yield("2");
// Gen.yield("3");
// Gen.yield("4");
// return Gen.ret();
// }
// public static <T> Gen<T, Void>test(T val){
// Gen.yield(val);
// return Gen.ret();
// }
// public static Future<String> awaitTest2(int number){
// ((Future<?>)new Delay(number)).await();
// return Future.ret(number+"ms");
// }
//
//
// public Future<Integer> number(int value){
// Waker.waker().wake();
// Future.yield();
// return Future.ret(value);
// }
public static Future<Void> test(){ public static Future<Void> test(){
for(int i = 0; i < 1000; i ++){ for(int i = 0; i < 1000; i ++){
@ -108,40 +32,4 @@ public class Examples {
} }
return Future.ret(null); return Future.ret(null);
} }
// public Future<String> closing(int number){
// try(var m = new Meow()){
// var result = awaitTest2(number).await();
// return Future.ret(result);
// }
// }
public static class Meow implements AutoCloseable{
{
System.out.println("OPen");
}
@Override
public void close() {
System.out.println("Close");
}
}
// public static Gen<Double, Void> test(double[] nyas){
//
// var test = 1+switch(nyas[0]){
// case 1.0 -> {
// Gen.yield(11);
// yield 2;
// }
// default -> {
// Gen.yield(12);
// yield 4;
// }
// };
// for(var d : nyas){
// Gen.yield(d);
// }
// return Gen.ret();
// }
} }

22
src/async_example/Jokio.java
View file

@ -6,6 +6,8 @@ import generator.future.Waker;
import java.util.ArrayDeque; import java.util.ArrayDeque;
import java.util.HashSet; import java.util.HashSet;
import java.util.Queue; import java.util.Queue;
import java.util.concurrent.ConcurrentLinkedDeque;
import java.util.concurrent.atomic.AtomicInteger;
public class Jokio implements Runnable{ public class Jokio implements Runnable{
@ -18,8 +20,8 @@ public class Jokio implements Runnable{
@Override @Override
public void wake() { public void wake() {
synchronized (Jokio.this){
woke.add(this); woke.add(this);
synchronized (Jokio.this){
Jokio.this.notifyAll(); Jokio.this.notifyAll();
} }
} }
@ -42,34 +44,36 @@ public class Jokio implements Runnable{
return ((Task<?>)waker).runtime(); return ((Task<?>)waker).runtime();
} }
private final HashSet<Task<?>> current = new HashSet<>(); private final AtomicInteger current = new AtomicInteger(0);
private final Queue<Task<?>> woke = new ArrayDeque<>(); private final ConcurrentLinkedDeque<Task<?>> woke = new ConcurrentLinkedDeque<>();
public void blocking(Future<?> fut){ public void blocking(Future<?> fut){
spawn(fut).run(); spawn(fut).run();
} }
public synchronized Jokio spawn(Future<?> future){ public Jokio spawn(Future<?> future){
var task = new Task<>(future); var task = new Task<>(future);
current.add(task); current.getAndIncrement();
woke.add(task); woke.add(task);
return this; return this;
} }
@Override @Override
public synchronized void run(){ public void run(){
while(!current.isEmpty()) { while(current.get() > 0) {
while(woke.isEmpty()) { synchronized (this) {
while (woke.isEmpty()) {
try { try {
this.wait(); this.wait();
} catch (InterruptedException e) { } catch (InterruptedException e) {
throw new RuntimeException(e); throw new RuntimeException(e);
} }
} }
}
var task = woke.poll(); var task = woke.poll();
var result = task.future.poll(task); var result = task.future.poll(task);
if(result!=Future.Pending.INSTANCE) { if(result!=Future.Pending.INSTANCE) {
current.remove(task); current.getAndDecrement();
System.out.println(result); System.out.println(result);
} }
} }