Thanks 在 2019年7月25日星期四 UTC+8下午1:46:04，Ian Lance Taylor写道： > > On Wed, Jul 24, 2019 at 5:37 AM ding liu <liudi...@gmail.com <javascript:>> > wrote: > > > > We know Go`s GC mark than can check all objects begin from root object. > But how to build the object tree? I cann`t find any code in runtime, or any > document. Any body has related documents? > > The GC never builds a tree. It marks the roots and puts them on a > worklist. Then it loops pulling an item off the worklist, tracing all > pointers, and putting all newly found objects on the worklist. This > loop is done concurrently with program execution. See the long > comment at the top of runtime/mgc.go. > > Ian >
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