demo: c atomic

2024-06-16 15:20:29 +08:00
parent b5507f79e4
commit f7c322c311
2 changed files with 10 additions and 7 deletions
--- a/cl/_testlibc/atomic/in.go
+++ b/cl/_testlibc/atomic/in.go
@@ -15,4 +15,7 @@ func main() {

 	sync.CompareAndXchg(&v, 101, 102)
 	c.Printf(c.Str("%ld\n"), v)
+
+	sync.FetchAndSub(&v, 1)
+	c.Printf(c.Str("%ld\n"), v)
 }