20 lines
466 B
Go
20 lines
466 B
Go
// Package limiter provides concurrency limiters.
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package limiter
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// Fixed is a simple channel-based concurrency limiter. It uses a fixed
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// size channel to limit callers from proceeding until there is a value available
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// in the channel. If all are in-use, the caller blocks until one is freed.
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type Fixed chan struct{}
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func NewFixed(limit int) Fixed {
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return make(Fixed, limit)
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}
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func (t Fixed) Take() {
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t <- struct{}{}
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}
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func (t Fixed) Release() {
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<-t
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}
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