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new helper: restore_saved_sigmask()

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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>
This commit is contained in:
Al Viro 2012-05-21 23:33:55 -04:00
parent 4ebefe3ec7
commit 51a7b448d4
32 changed files with 38 additions and 125 deletions
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6
arch/arm/kernel/signal.c
View file

@ -663,11 +663,7 @@ static void do_signal(struct pt_regs *regs, int syscall)
set_thread_flag(TIF_SYSCALL_RESTARTSYS);
}
/* If there's no signal to deliver, we just put the saved sigmask
* back.
*/
if (test_and_clear_thread_flag(TIF_RESTORE_SIGMASK))
set_current_blocked(&current->saved_sigmask);
restore_saved_sigmask();
}
asmlinkage void