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package main
import (
"fmt"
"time"
"sync"
)
var v int = 99
var wg sync.WaitGroup
var s string
func Foo(x, y int) (z int) {
//s = fmt.Sprintf("x=%d, y=%d, z=%d\n", x, y, z)
z = x + y
return
}
func Threads(fn func(x, y int) int) {
for j := 0; j < 100; j++ {
wg.Add(1)
go func() {
for k := 0; k < 100; k++ {
fn(1, 2)
time.Sleep(10 * time.Millisecond)
}
wg.Done()
}()
}
}
func main() {
x := v
y := x * x
var z int
Threads(Foo)
for i := 0; i < 100; i++ {
z = Foo(x, y)
}
fmt.Printf("z=%d\n", z)
wg.Wait()
}
|
