golang export_test 代码
文件路径：/src/sync/export_test.go
/ 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 any) bool
PopHead() (any, bool)
PopTail() (any, 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 any) bool {
return d.pushHead(val)
}
func (d *poolDequeue) PopHead() (any, bool) {
return d.popHead()
}
func (d *poolDequeue) PopTail() (any, bool) {
return d.popTail()
}
func NewPoolChain() PoolDequeue {
return new(poolChain)
}
func (c *poolChain) PushHead(val any) bool {
c.pushHead(val)
return true
}
func (c *poolChain) PopHead() (any, bool) {
return c.popHead()
}
func (c *poolChain) PopTail() (any, bool) {
return c.popTail()
}