From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 27 Apr 2011 19:44:14 +0000 (+0200)
Subject: signal: introduce do_sigtimedwait() to factor out compat/native code
X-Git-Tag: v3.0-rc1~382^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=943df1485a8ff0e600729e082e568ece04d4de9e;p=pandora-kernel.git

signal: introduce do_sigtimedwait() to factor out compat/native code

Factor out the common code in sys_rt_sigtimedwait/compat_sys_rt_sigtimedwait
to the new helper, do_sigtimedwait().

Add the comment to document the extra tick we add to timespec_to_jiffies(ts),
thanks to Linus who explained this to me.

Perhaps it would be better to move compat_sys_rt_sigtimedwait() into
signal.c under CONFIG_COMPAT, then we can make do_sigtimedwait() static.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Matt Fleming <matt.fleming@linux.intel.com>
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