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34 lines
570 B
Go
34 lines
570 B
Go
package main
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import (
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"sync"
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"fmt"
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"strconv"
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)
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type LockDemo struct {
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var1 string
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var2 string
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mu1 sync.RWMutex
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mu2 sync.RWMutex
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}
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func main() {
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l := LockDemo{}
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wg := sync.WaitGroup{}
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for i := 0; i < 1000; i++ {
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wg.Add(1)
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go func(i int) {
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l.mu1.Lock()
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l.mu2.Lock()
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defer l.mu2.Unlock()
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defer l.mu1.Unlock()
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l.var1 = strconv.Itoa(i)
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l.var2 = strconv.Itoa(i + 1)
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wg.Done()
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}(i)
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}
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wg.Wait()
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fmt.Println(l)
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} |