Merge branch 'cb/daemon-leap-children' into seen

* cb/daemon-leap-children:
  daemon: explicitly allow EINTR during poll()
  daemon: use sigaction() to install child_handler()
  compat/posix.h: track SA_RESTART fallback

diff --cc Makefile
Simple merge

diff --cc config.mak.uname
Simple merge

diff --cc meson.build
Simple merge