From d4e6a8d727c24b2f1807f2dbf3d721fe83747a43 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Krist=C3=B3f=20T=C3=B3th?= <mrtoth@strongds.hu>
Date: Tue, 18 Aug 2020 11:06:36 +0200
Subject: [PATCH] Implement simple, thread-safe atomic flag type

---
 atomicflag/atomicflag.go | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 atomicflag/atomicflag.go

diff --git a/atomicflag/atomicflag.go b/atomicflag/atomicflag.go
new file mode 100644
index 0000000..6460365
--- /dev/null
+++ b/atomicflag/atomicflag.go
@@ -0,0 +1,27 @@
+package atomicflag
+
+import (
+	"sync"
+)
+
+
+type atomicflag struct {
+	value bool
+	mutex sync.RWMutex
+}
+
+func New(value bool) *atomicflag {
+	return &atomicflag{value: value}
+}
+
+func (f* atomicflag) Get() bool {
+	f.mutex.RLock()
+	defer f.mutex.RUnlock()
+	return f.value
+}
+
+func (f* atomicflag) Set(value bool) {
+	f.mutex.Lock()
+	defer f.mutex.Unlock()
+	f.value = value
+}