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Breakpoints not working in worker threads created with sys.thread.Thread #142

@acodervic

Description

@acodervic
import sys.thread.Thread;
import sys.thread.Mutex;
import sys.thread.Lock;

class HelloWorld {
    static function main() {
        trace("Hello, World from Haxe!");
        test1_BasicThreads();
        }

    static function test1_BasicThreads() {

        
        var threads:Array<Thread> = [];
        
        for (i in 0...3) {
            var thread = Thread.create(function() {
                var threadId = i;
                trace('thread $threadId start');   <---- Set vscode breakpoint at this line 
                Sys.sleep(0.5);
                trace('start $threadId end');
            });
            threads.push(thread);
        }
        
    }
}

build.hxml

-hl hl_output/HelloWorld.hl
-main HelloWorld

tasks.json

{
    "version": "2.0.0",
    "tasks": [
        {
            "label": "Build HashLink Debug",
            "type": "haxe",
            "args":  "active configuration",
            "problemMatcher": "$haxe",
            "group": "build"
        }
    ]
}

launch.json

{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "HashLink (launch)",
            "request": "launch",
            "type": "hl",
            "cwd": "${workspaceFolder}",
            "preLaunchTask": {
                "type": "haxe",
                "args": "active configuration"
            },
            "program": "${workspaceFolder}/hl_output/HelloWorld.hl"
        }
     
    ]
}

console out:

HelloWorld.hx:7: Hello, World from Haxe! 
//hashlink crashed and process stop

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