atomic, atomicCmpXchg

2024-06-16 03:49:09 +08:00
parent 452c1fbfd4
commit b5507f79e4
9 changed files with 284 additions and 33 deletions
--- a/cl/_testlibc/atomic/in.go
+++ b/cl/_testlibc/atomic/in.go
@@ -0,0 +1,18 @@
+package main
+
+import (
+	"github.com/goplus/llgo/c"
+	"github.com/goplus/llgo/c/sync"
+)
+
+func main() {
+	var v int64 = 100
+	sync.FetchAndAdd(&v, 1)
+	c.Printf(c.Str("%ld\n"), v)
+
+	sync.CompareAndXchg(&v, 100, 102)
+	c.Printf(c.Str("%ld\n"), v)
+
+	sync.CompareAndXchg(&v, 101, 102)
+	c.Printf(c.Str("%ld\n"), v)
+}