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notifier: go todo

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This commit is contained in:
Juan Batiz-Benet
2015-01-26 16:45:43 -08:00
parent 2c13280b5e
commit d39feeb5a5
1 changed files with 5 additions and 3 deletions
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8
thirdparty/notifier/notifier.go vendored
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@ -99,14 +99,16 @@ func (n *Notifier) StopNotify(e Notifiee) {
// })
// }
//
// Note well: each notification is launched in its own goroutine, so they
// can be processed concurrently, and so that whatever the notification does
// it _never_ blocks out the client. This is so that consumers _cannot_ add
// hooks into your object that block you accidentally.
func (n *Notifier) NotifyAll(notify func(Notifiee)) {
n.mu.Lock()
if n.nots != nil { // so that zero-value is ready to be used.
for notifiee := range n.nots {
// we spin out a goroutine so that whatever the notification does
// it _never_ blocks out the client. This is so that consumers
// _cannot_ add hooks into your object that block you accidentally.
go notify(notifiee)
// TODO find a good way to rate limit this without blocking notifier.
}
}
n.mu.Unlock()