Adam Van Ymeren
7a04f298d2
- update to latest telegram layer - remove some references to fields in tg.Entities that don't exist in the schema - originally added here: https://github.com/beeper/td/commit/820929062a2ba0104397bc01235ab58a9cff780e - referenced here - https://github.com/mautrix/telegramgo/commit/124f0967ed195b5a380c9bd02e170ada9710dde3 - https://github.com/mautrix/telegramgo/commit/4205047aab2e0639217148b5d125bfaab668bd8e
38 lines
651 B
Go
38 lines
651 B
Go
package tdsync
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import (
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"sync/atomic"
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)
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// Ready is simple signal primitive which sends signal once.
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// This is not allowed to use zero value.
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type Ready struct {
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wait chan struct{}
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done int32
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}
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// NewReady creates new Ready.
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func NewReady() *Ready {
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return &Ready{
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wait: make(chan struct{}),
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}
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}
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func (r *Ready) reset() {
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r.wait = make(chan struct{})
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atomic.StoreInt32(&r.done, 0)
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}
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// Signal sends ready signal.
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// Can be called multiple times.
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func (r *Ready) Signal() {
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if atomic.CompareAndSwapInt32(&r.done, 0, 1) {
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close(r.wait)
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}
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}
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// Ready returns waiting channel.
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func (r *Ready) Ready() <-chan struct{} {
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return r.wait
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}
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