race tester

gistfile1.txt

package main

import (
    "fmt"
    "sync"
    "net/http"
    "bytes"
)

func worker(i int, ch <-chan interface{}) {
    fmt.Printf("[%v]: Ready\n", i)
    <-ch
    fmt.Printf("[%v]: Started\n", i)
    bs := bytes.NewBufferString("http://ayaginkdkzmu.net/keu3mjdqmlun/jucsjdybso6s0")
    resp, err := http.Post("http://localhost:8080/", "text/plain; charset=utf-8", bs)
    if err != nil {
        panic(3)
    }
    defer resp.Body.Close()

    var rs bytes.Buffer
    rs.ReadFrom(resp.Body)
    fmt.Printf("[%v]: Done with %v\n", i, rs.String())
}

func main() {
    ch := make(chan interface{})
    var wg sync.WaitGroup
    for i := 0; i < 10; i++ {
        wg.Add(1)
        go func (i int) {
            defer wg.Done()
            worker(i, ch)
        }(i)
    }
    close(ch)
    wg.Wait()
}