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Clarify chanotify docs about the usage of Add and Close

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Signed-off-by: Burcu Dogan <jbd@google.com>
This commit is contained in:
Burcu Dogan 2016-02-18 20:42:39 -08:00
parent 85c933087e
commit ae6b138363
1 changed files with 4 additions and 2 deletions
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6
chanotify/chanotify.go
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@ -19,7 +19,8 @@ type Notifier struct {
closed bool closed bool
} }
// New returns a new *Notifier. // New returns a new notifier. A notifier must be closed by
// calling, (*Notifier).Close, once it is no longer in use.
func New() *Notifier { func New() *Notifier {
s := &Notifier{ s := &Notifier{
c: make(chan interface{}), c: make(chan interface{}),
@ -34,7 +35,8 @@ func (n *Notifier) Chan() <-chan interface{} {
return n.c return n.c
} }
// Add adds new notification channel to Notifier. // Add adds new notification channel to the notifier.
// Multiple registrations of the same ID is not allowed.
func (n *Notifier) Add(id interface{}, ch <-chan struct{}) error { func (n *Notifier) Add(id interface{}, ch <-chan struct{}) error {
n.m.Lock() n.m.Lock()
defer n.m.Unlock() defer n.m.Unlock()