blob: ffbe56746406288ae48cda2173346ed0b7f25d2d [file] [log] [blame]
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package sync
// Export for testing.
var Runtime_Semacquire = runtime_Semacquire
var Runtime_Semrelease = runtime_Semrelease
var Runtime_procPin = runtime_procPin
var Runtime_procUnpin = runtime_procUnpin
// poolDequeue testing.
type PoolDequeue interface {
PushHead(val interface{}) bool
PopHead() (interface{}, bool)
PopTail() (interface{}, bool)
func NewPoolDequeue(n int) PoolDequeue {
d := &poolDequeue{
vals: make([]eface, n),
// For testing purposes, set the head and tail indexes close
// to wrapping around.
d.headTail = d.pack(1<<dequeueBits-500, 1<<dequeueBits-500)
return d
func (d *poolDequeue) PushHead(val interface{}) bool {
return d.pushHead(val)
func (d *poolDequeue) PopHead() (interface{}, bool) {
return d.popHead()
func (d *poolDequeue) PopTail() (interface{}, bool) {
return d.popTail()
func NewPoolChain() PoolDequeue {
return new(poolChain)
func (c *poolChain) PushHead(val interface{}) bool {
return true
func (c *poolChain) PopHead() (interface{}, bool) {
return c.popHead()
func (c *poolChain) PopTail() (interface{}, bool) {
return c.popTail()