21 lines
382 B
Go
21 lines
382 B
Go
package main
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import (
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"github.com/goplus/llgo/c/sync"
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)
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func main() {
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var v int64 = 100
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ret := sync.FetchAndAdd(&v, 1)
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println("ret:", ret, "v:", v)
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ret = sync.CompareAndXchg(&v, 100, 102)
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println("ret:", ret, "vs 100, v:", v)
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ret = sync.CompareAndXchg(&v, 101, 102)
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println("ret:", ret, "vs 101, v:", v)
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ret = sync.FetchAndSub(&v, 1)
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println("ret:", ret, "v:", v)
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}
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