NPTL snapshot
Signed-off-by: Chris Zankel <chris@zankel.net>
snapshot

Signed-off-by: Chris Zankel <chris@zankel.net>
snapshot: remove xtensa/pause.c

Signed-off-by: Chris Zankel <chris@zankel.net>
revert pause-not-cancel

Signed-off-by: Chris Zankel <chris@zankel.net>
libc/not-cancel.h: Enable pause_not_cancel for arches without __NR_pause

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
libc/pause: Add __pause_not_cancel weak alias.

On architectures that don't provide __NR_pause __pause_nocancel is
needed when wanting to perform an uncancelable pause.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
xtensa: NPTL snapshot

Work in progress

Signed-off-by: Chris Zankel <chris@zankel.net>