source: benchmark/mutex/goroutine.go@ d1c47c2

package main

import (
        "fmt"
        "time"
        "os"
        "strconv"
        "sync"
)

var mutex sync.Mutex

func call() {
         mutex.Lock();
         mutex.Unlock();
}
func main() {
        var times int = 10000000
        if len( os.Args ) > 2 { os.Exit( 1 ) }
        if len( os.Args ) == 2 { times, _ = strconv.Atoi(os.Args[1]) }

        start := time.Now()
        for i := 1; i <= times; i += 1 {
                call();
        }
        end := time.Now()
        fmt.Printf( "%d\n", end.Sub(start) / time.Duration(times) )
}

// Local Variables: //
// tab-width: 4 //
// End: //