// cancelation for groups of goroutines working on subtasks of a common task.
//
// [errgroup.Group] is related to [sync.WaitGroup] but adds handling of tasks
// returning errors.
package errgroup

import (
	"context"
	"fmt"
	"sync"
)

type token struct{}

// A Group is a collection of goroutines working on subtasks that are part of
// the same overall task.
//

   *       the interrupt will be restored to the thread after it completes so that its {@code
   *       delegate} Executor may process the interrupt.
   *   <li>subtasks are run with the thread uninterrupted and interrupts received during execution
   *       of a task are ignored.
   * </ol>
   *

            // the pool core size will be incremented before submitting
            // all the tasks, then the thread will block waiting for all
            // those subtasks to finish.
            // This ensures the number of running workers is no more than
            // the defined parallism, while making sure the pool will not
            // be exhausted
            //

   *       the interrupt will be restored to the thread after it completes so that its {@code
   *       delegate} Executor may process the interrupt.
   *   <li>subtasks are run with the thread uninterrupted and interrupts received during execution
   *       of a task are ignored.
   * </ol>
   *

	Host xnet.Host // Remote host on which the rpc call was initiated
	Err  error     // Error returned by the remote peer for an rpc call
}

// A NotificationGroup is a collection of goroutines working on subtasks that are part of
// the same overall task.
//
// A zero NotificationGroup is valid and does not cancel on error.
type NotificationGroup struct {
	workers    *workers.Workers
	errs       []NotificationPeerErr

        def warningMessage = event('Child task log message', LogLevel.WARN, subtaskStartEvent.buildOperationId)
        def subTaskCompleteEvent = new ProgressCompleteEvent(subtaskStartEvent.progressOperationId, tenAm, 'subtask complete', false)

                    println("Create ${path}")
                }
            }
            class SomeSubTask extends SomeTask {
                SomeSubTask() {
                    println("Create subtask ${path}")
                }
            }
            class SomeOtherTask extends DefaultTask {
                SomeOtherTask() {
                    println("Create ${path}")
                }
            }

               println "Configure ${path}"
            }
        '''

        expect:
        succeeds "help"

        result.output.count("Create subtask :myTask") == 1
        result.output.count("Lazy 1 :myTask") == 1
        result.output.count("Lazy 2 :myTask") == 1
        result.output.count("Configure :myTask") == 1
    }

)

type traceContextKey struct{}

// NewTask creates a task instance with the type taskType and returns
// it along with a Context that carries the task.
// If the input context contains a task, the new task is its subtask.
//
// The taskType is used to classify task instances. Analysis tools
// like the Go execution tracer may assume there are only a bounded
// number of unique task types in the system.
//

Task.prototype={get name(){return this.runCb_.name;},set updatesUi(value){this.updatesUi_=value;},subTask(cb,thisArg){if(cb instanceof Task){this.subTasks_.push(cb);}else{this.subTasks_.push(new Task(cb,thisArg));}