26 lines
552 B
Go
26 lines
552 B
Go
package main
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import (
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"github.com/goplus/lib/c"
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"github.com/goplus/lib/c/sync/atomic"
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)
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func main() {
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var v int64
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atomic.Store(&v, 100)
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c.Printf(c.Str("store: %ld\n"), atomic.Load(&v))
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ret := atomic.Add(&v, 1)
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c.Printf(c.Str("ret: %ld, v: %ld\n"), ret, v)
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ret, _ = atomic.CompareAndExchange(&v, 100, 102)
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c.Printf(c.Str("ret: %ld vs 100, v: %ld\n"), ret, v)
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ret, _ = atomic.CompareAndExchange(&v, 101, 102)
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c.Printf(c.Str("ret: %ld vs 101, v: %ld\n"), ret, v)
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ret = atomic.Sub(&v, 1)
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c.Printf(c.Str("ret: %ld, v: %ld\n"), ret, v)
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}
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