export_test.go

     1  // Copyright 2012 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package sync
     6  
     7  // Export for testing.
     8  var Runtime_Semacquire = runtime_Semacquire
     9  var Runtime_Semrelease = runtime_Semrelease
    10  var Runtime_procPin = runtime_procPin
    11  var Runtime_procUnpin = runtime_procUnpin
    12  
    13  // poolDequeue testing.
    14  type PoolDequeue interface {
    15  	PushHead(val any) bool
    16  	PopHead() (any, bool)
    17  	PopTail() (any, bool)
    18  }
    19  
    20  func NewPoolDequeue(n int) PoolDequeue {
    21  	d := &poolDequeue{
    22  		vals: make([]eface, n),
    23  	}
    24  	// For testing purposes, set the head and tail indexes close
    25  	// to wrapping around.
    26  	d.headTail = d.pack(1<<dequeueBits-500, 1<<dequeueBits-500)
    27  	return d
    28  }
    29  
    30  func (d *poolDequeue) PushHead(val any) bool {
    31  	return d.pushHead(val)
    32  }
    33  
    34  func (d *poolDequeue) PopHead() (any, bool) {
    35  	return d.popHead()
    36  }
    37  
    38  func (d *poolDequeue) PopTail() (any, bool) {
    39  	return d.popTail()
    40  }
    41  
    42  func NewPoolChain() PoolDequeue {
    43  	return new(poolChain)
    44  }
    45  
    46  func (c *poolChain) PushHead(val any) bool {
    47  	c.pushHead(val)
    48  	return true
    49  }
    50  
    51  func (c *poolChain) PopHead() (any, bool) {
    52  	return c.popHead()
    53  }
    54  
    55  func (c *poolChain) PopTail() (any, bool) {
    56  	return c.popTail()
    57  }
    58
View as plain text