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040000 tree 1afb8a8308eb1883103b0dec13421ffa78ec6a40	goid
040000 tree 8328e5cbe9e8f8c87aa33257e340b3246a74019c	linewriter
040000 tree f6931b267a99d564fd71f25809e346271a652a07	log
040000 tree 4a5e269d13815b6babf106da6c0352bd3565fe25	rand
040000 tree 10189630461340c0d0472af69d06817f46b4b796	sleep
040000 tree 52e886f94d33509a838323d1e6750b93a8cb677d	state
040000 tree 1bcdb5cf59455b6317d8db71c131c2092618630f	sync
040000 tree 2756bae16385c664834a967df03301c3248a4b77	tcpip
040000 tree a32bfdd2e90dd8d3a7ff8e95d7733fa76018159b	waiter