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_win32.h [code]
file	cancellable_platform.h [code]
file	cmdline.h [code]
file	cpu.h [code]
file	histogram.h [code]
file	host_port.h [code]
file	log.h [code]
file	log_win32.h [code]
file	port_platform.h [code]
file	slice.h [code]
file	slice_buffer.h [code]
file	subprocess.h [code]
file	sync.h [code]
file	sync_generic.h [code]
file	sync_posix.h [code]
file	sync_win32.h [code]
file	thd.h [code]
file	time.h [code]
file	tls.h [code]
file	tls_gcc.h [code]
file	tls_msvc.h [code]
file	tls_pthread.h [code]
file	useful.h [code]