slotctx

package
v4.3.2+incompatible Latest Latest
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Published: Aug 20, 2019 License: BSD-3-Clause, BSD-3-Clause Imports: 2 Imported by: 0

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Constants

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Variables

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Functions

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Types

type PrioritySlot

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

PrioritySlot is a slot in which only one context can thrive.

func NewPriority

func NewPriority() *PrioritySlot

func (*PrioritySlot) Shutdown

func (s *PrioritySlot) Shutdown()

Shutdown disables the slot forever.

func (*PrioritySlot) Stop

func (s *PrioritySlot) Stop()

Stop cancels the running task if there is one.

func (*PrioritySlot) Use

func (s *PrioritySlot) Use(ctx context.Context, priority int) context.Context

Use derives a new context. Whichever of the argument and the incumbent are lower priority is canceled. In a tie the incumbent is canceled.

type Slot

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

Slot is a slot in which only one context can thrive.

func New

func New() *Slot

func (*Slot) Stop

func (s *Slot) Stop()

Stop cancels the running task if there is one.

func (*Slot) Use

func (s *Slot) Use(ctx context.Context) context.Context

Use derives a context bound to the slot. Cancels any context previously bound to the slot.

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