Use handy pre-existing C macros in other macros
commit6fc96c13023ceaa840c893ecd87604e829eec8e1
authorDouglas Katzman <dougk@google.com>
Mon, 16 Oct 2017 18:25:50 +0000 (16 14:25 -0400)
committerDouglas Katzman <dougk@google.com>
Mon, 16 Oct 2017 18:31:27 +0000 (16 14:31 -0400)
tree256ace8d2ec07d90aec9a25bd1af9b45b89cbb6a
parent7532ac6a1086d3237852f407cec27d1a1e4b600a
Use handy pre-existing C macros in other macros

and remove FIXME about what they "could" be, because 17 years later,
they're still macros, just easier to understand.
src/runtime/os.h
src/runtime/save.c
src/runtime/thread.c