package semaphore

Import Path
	golang.org/x/sync/semaphore (on go.dev)

Dependency Relation
	imports 3 packages, and imported by one package

Involved Source Files

	  d semaphore.go
		Package semaphore provides a weighted semaphore implementation.
Package-Level Type Names (total 2, in which 1 is exported)

	/* sort exporteds by: alphabet | popularity */
	 type Weighted (struct)
		Weighted provides a way to bound concurrent access to a resource.
		The callers can request access with a given weight.

		Fields (total 4, none are exported)
			/* 4 unexporteds ... *//* 4 unexporteds: */
			cur int64
			mu sync.Mutex
			size int64
			waiters list.List
		Methods (total 4, in which 3 are exported)
			(*Weighted) Acquire(ctx context.Context, n int64) error
				Acquire acquires the semaphore with a weight of n, blocking until resources
				are available or ctx is done. On success, returns nil. On failure, returns
				ctx.Err() and leaves the semaphore unchanged.

			(*Weighted) Release(n int64)
				Release releases the semaphore with a weight of n.

			(*Weighted) TryAcquire(n int64) bool
				TryAcquire acquires the semaphore with a weight of n without blocking.
				On success, returns true. On failure, returns false and leaves the semaphore unchanged.

			/* one unexported ... *//* one unexported: */
			(*Weighted) notifyWaiters()
		As Outputs Of (at least one exported)
			func NewWeighted(n int64) *Weighted
		As Inputs Of (at least one unexported)
			/* at least one unexported ... *//* at least one unexported: */
			func github.com/jackc/puddle/v2.acquireSemAll(sem *Weighted, num int) int

	/* one unexported ... *//* one unexported: */
	 type waiter (struct)

		Fields (total 2, neither is exported)
			/* 2 unexporteds ... *//* 2 unexporteds: */
			n int64
			ready chan<- struct{}
				// Closed when semaphore acquired.



Package-Level Functions (only one, which is exported)

	 func NewWeighted(n int64) *Weighted
		NewWeighted creates a new weighted semaphore with the given
		maximum combined weight for concurrent access.

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