new helper: restore_saved_sigmask()
authorAl Viro <viro@zeniv.linux.org.uk>
Tue, 22 May 2012 03:33:55 +0000 (23:33 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Fri, 1 Jun 2012 16:58:47 +0000 (12:58 -0400)
first fruits of ..._restore_sigmask() helpers: now we can take
boilerplate "signal didn't have a handler, clear RESTORE_SIGMASK
and restore the blocked mask from ->saved_mask" into a common
helper.  Open-coded instances switched...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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