init: 1.0.0

pkg/syncx/atomicduration.go

@@ -0,0 +1,36 @@
+package syncx
+
+import (
+	"sync/atomic"
+	"time"
+)
+
+// An AtomicDuration is an implementation of atomic duration.
+type AtomicDuration int64
+
+// NewAtomicDuration returns an AtomicDuration.
+func NewAtomicDuration() *AtomicDuration {
+	return new(AtomicDuration)
+}
+
+// ForAtomicDuration returns an AtomicDuration with given value.
+func ForAtomicDuration(val time.Duration) *AtomicDuration {
+	d := NewAtomicDuration()
+	d.Set(val)
+	return d
+}
+
+// CompareAndSwap compares current value with old, if equals, set the value to val.
+func (d *AtomicDuration) CompareAndSwap(old, val time.Duration) bool {
+	return atomic.CompareAndSwapInt64((*int64)(d), int64(old), int64(val))
+}
+
+// Load loads the current duration.
+func (d *AtomicDuration) Load() time.Duration {
+	return time.Duration(atomic.LoadInt64((*int64)(d)))
+}
+
+// Set sets the value to val.
+func (d *AtomicDuration) Set(val time.Duration) {
+	atomic.StoreInt64((*int64)(d), int64(val))
+}