move out c/cpp/py

cl/_testlibc/atomic/in.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+	"github.com/goplus/lib/c"
+	"github.com/goplus/lib/c/sync/atomic"
+)
+
+func main() {
+	var v int64
+
+	atomic.Store(&v, 100)
+	c.Printf(c.Str("store: %ld\n"), atomic.Load(&v))
+
+	ret := atomic.Add(&v, 1)
+	c.Printf(c.Str("ret: %ld, v: %ld\n"), ret, v)
+
+	ret, _ = atomic.CompareAndExchange(&v, 100, 102)
+	c.Printf(c.Str("ret: %ld vs 100, v: %ld\n"), ret, v)
+
+	ret, _ = atomic.CompareAndExchange(&v, 101, 102)
+	c.Printf(c.Str("ret: %ld vs 101, v: %ld\n"), ret, v)
+
+	ret = atomic.Sub(&v, 1)
+	c.Printf(c.Str("ret: %ld, v: %ld\n"), ret, v)
+}