1	import Base
2	
3	# Sys
4	# ===
5	#
6	# Effects Base lacks (effs/sys.c): the wall clock, and termination signals.
7	
8	# The wall clock: (days since 1970-01-01, (second of the day,
9	# microseconds)). time.bend's Wall.of makes it a Wall.
10	def Sys.wall() -> IO(U32 & (U32 & U32)):
11	  import "./effs/sys.c"
12	  import "./effs/sys.js"
13	
14	# Waits for SIGTERM or SIGINT; answers the signal's number.
15	def Sys.signal() -> IO(U32):
16	  import "./effs/sys.c"
17	  import "./effs/sys.js"