main.go

     1  // Copyright 2021 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package main
     6  
     7  import (
     8  	"os"
     9  	"os/exec"
    10  	_ "plugin"
    11  	"sync"
    12  )
    13  
    14  func main() {
    15  	if os.Args[1] != "1" {
    16  		return
    17  	}
    18  
    19  	var wg sync.WaitGroup
    20  	for i := 0; i < 8; i++ {
    21  		wg.Add(1)
    22  		go func() {
    23  			defer wg.Done()
    24  			// does not matter what we exec, just exec itself
    25  			cmd := exec.Command("./forkexec.exe", "0")
    26  			cmd.Run()
    27  		}()
    28  	}
    29  	wg.Wait()
    30  }
    31
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