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import {
SynStart,
SynEnd,
wait,
notify,
SharedBoolean,
SharedString,
SharedNumber,
Syc,
isMainThread,
addFunc,
Runnable,
Thread,
} from './ThreadBridge';
export function sharedWash(runnable: Runnable) {
let archetype: Runnable;
if (runnable.className === 'P') {
archetype = new P(new Semaphores());
} else if (runnable.className === 'P1') {
archetype = new P1(new Semaphores());
} else if (runnable.className === 'P2') {
archetype = new P2(new Semaphores());
} else {
archetype = new Thread();
}
addFunc(runnable, archetype);
runnable.run();
}
class ReadCompute {
public syn: Syc = new Syc();
public static staticSyn: Syc = new Syc();
public className: string = 'ReadCompute';
static main(args: string[]): void {
const semaphores = new Semaphores();
const p = new Thread(new P(semaphores));
const p1 = new Thread(new P1(semaphores));
const p2 = new Thread(new P2(semaphores));
p.start();
p1.start();
p2.start();
}
}
class Semaphores {
public syn: Syc = new Syc();
public static staticSyn: Syc = new Syc();
public className: string = 'Semaphores';
public mutex = new SharedBoolean(true);
public full = new SharedNumber(0);
public empty = new SharedNumber(50);
public pMutex(): boolean {
SynStart(this.syn);
if (this.mutex.getValue()) {
this.mutex.setValue(false);
SynEnd(this.syn);
return true;
} else {
SynEnd(this.syn);
return false;
}
}
public pFull(): boolean {
SynStart(this.syn);
if (this.full.getValue() > 0) {
this.full.setValue(this.full.getValue() - 1);
SynEnd(this.syn);
return true;
} else {
SynEnd(this.syn);
return false;
}
}
public pEmpty(): boolean {
SynStart(this.syn);
if (this.empty.getValue() > 0) {
this.empty.setValue(this.empty.getValue() - 1);
SynEnd(this.syn);
return true;
} else {
SynEnd(this.syn);
return false;
}
}
public vMutex(): void {
SynStart(this.syn);
this.mutex.setValue(true);
SynEnd(this.syn);
}
public vFull(): void {
SynStart(this.syn);
this.full.setValue(this.full.getValue() + 1);
SynEnd(this.syn);
}
public vEmpty(): void {
SynStart(this.syn);
this.empty.setValue(this.empty.getValue() + 1);
SynEnd(this.syn);
}
}
class P implements Runnable {
public syn: Syc = new Syc();
public static staticSyn: Syc = new Syc();
public className: string = 'P';
public semaphores: Semaphores;
constructor(semaphores: Semaphores) {
this.semaphores = semaphores;
}
run(): void {
while (true) {
while (!this.semaphores.pEmpty()) {}
while (!this.semaphores.pMutex()) {}
console.log('P reads data from device into the buffer.');
this.semaphores.vMutex();
this.semaphores.vFull();
}
}
}
class P1 implements Runnable {
public semaphores: Semaphores;
public syn: Syc = new Syc();
public static staticSyn: Syc = new Syc();
public className: string = 'P1';
constructor(semaphores: Semaphores) {
this.semaphores = semaphores;
}
run(): void {
while (true) {
while (!this.semaphores.pFull()) {}
console.log('P1 gets one data from the buffer.');
while (!this.semaphores.pFull()) {}
console.log('P1 gets one data from the buffer.');
console.log('P1 computes the datas.');
this.semaphores.vEmpty();
console.log('P1 prints the result.');
this.semaphores.vEmpty();
console.log('P1 prints the result.');
}
}
}
class P2 implements Runnable {
public syn: Syc = new Syc();
public static staticSyn: Syc = new Syc();
public className: string = 'P2';
public semaphores: Semaphores;
constructor(semaphores: Semaphores) {
this.semaphores = semaphores;
}
run(): void {
while (true) {
while (!this.semaphores.pFull()) {}
console.log('P2 gets one data from the buffer.');
while (!this.semaphores.pFull()) {}
console.log('P2 gets one data from the buffer.');
console.log('P2 computes the datas.');
this.semaphores.vEmpty();
console.log('P2 prints the result.');
this.semaphores.vEmpty();
console.log('P2 prints the result.');
}
}
}
if (isMainThread()) {
// You can put the entry of your code here to test.
}