semaphore

package

v0.0.91 Latest Latest Go to latest Published: Apr 24, 2024 License: MIT Imports: 5 Imported by: 0

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

func New(size int64) (*Semaphore, error)

func (s *Semaphore) Acquire(ctx context.Context, n int64) error

func (s *Semaphore) InitialSize() int64

Nominal size of the sempahore

func (s *Semaphore) Release(n int64)

func (s *Semaphore) Size() int64

Current size of the semaphore

func (s *Semaphore) Vary(ctx context.Context, x int64) error

Vary capacity by x - it's internally enqueued as a normal Acquire/Release operation as other Get/Put but tokens are held internally