semaph

package

v0.9.0 Latest Latest Go to latest Published: Aug 1, 2023 License: Apache-2.0 Imports: 3 Imported by: 0

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type Semaph struct {
	// contains filtered or unexported fields
}

func NewSemaph(max int32) *Semaph

func (s *Semaph) Acquire(ctx context.Context) error

Acquire will block if there are no more "tickets" left; otherwise will decrement number of tickets and continue. Caller must call Release() later.

func (s *Semaph) R() int32

func (s *Semaph) Release()

Release will free up a "ticket", and if there were any waiting goroutines, will Signal() (one of) them.