support Directory Reference

Files
file	alloc.h [code]
file	atm.h [code]
file	atm_gcc_atomic.h [code]
file	atm_gcc_sync.h [code]
file	atm_windows.h [code]
file	cpu.h [code]
file	log.h [code]
file	log_windows.h [code]
file	port_platform.h [code]
file	string_util.h [code]
file	sync.h [code]
file	sync_abseil.h [code]
file	sync_custom.h [code]
file	sync_generic.h [code]
file	sync_posix.h [code]
file	sync_windows.h [code]
file	thd_id.h [code]
file	time.h [code]
file	workaround_list.h [code]