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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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