mcentral.go

// Copyright 2009 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.

// Central free lists.
//
// See malloc.go for an overview.
//
// The MCentral doesn't actually contain the list of free objects; the MSpan does.
// Each MCentral is two lists of MSpans: those with free objects (c->nonempty)
// and those that are completely allocated (c->empty).

package runtime

// Central list of free objects of a given size.
type mcentral struct {
	lock      mutex
	sizeclass int32
	nonempty  mSpanList
	empty     mSpanList
}