forked from toolshed/abra
21 lines
474 B
Go
21 lines
474 B
Go
package limit // https://github.com/tidwall/limiter
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// Limiter is for limiting the number of concurrent operations. This
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type Limiter struct{ sem chan struct{} }
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// New returns a new Limiter. The limit param is the maximum number of
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// concurrent operations.
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func New(limit int) *Limiter {
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return &Limiter{make(chan struct{}, limit)}
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}
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// Begin an operation.
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func (l *Limiter) Begin() {
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l.sem <- struct{}{}
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}
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// End the operation.
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func (l *Limiter) End() {
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<-l.sem
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}
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