040000 tree 8b5a82c3a2d673412e460dab2d72c35dcab1f018	linewriter
040000 tree a54be28a52976b6edcc61c9452a69ce8e191e2b8	log
040000 tree 54dbf359891b4efbffbe0dbdafd22cf978b5d0f4	rand
040000 tree f4ecbdb4f78dcd66e91e0c9e54fea05d94961e48	sleep
040000 tree f3c1a5ee4bd10b86332bb95a59df8c60b5070a4c	state
040000 tree cdeeb9790092ca554d7cce2f09bf437691f0026e	sync
040000 tree 3ca5d2b5f5f9be89d6ec3c824bfa4c1d99ad1611	tcpip
040000 tree dfd8c7c490e5e1289e0b3e77e7064b84501985ad	waiter