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Commit 1df01355 authored by Davidlohr Bueso's avatar Davidlohr Bueso Committed by Linus Torvalds
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signal: use current->state helpers 



Call __set_current_state() instead of assigning the new state directly.
These interfaces also aid CONFIG_DEBUG_ATOMIC_SLEEP environments, keeping
track of who changed the state.

Signed-off-by: default avatarDavidlohr Bueso <dbueso@suse.de>
Acked-by: default avatarOleg Nesterov <oleg@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 1cca3385

kernel/signal.c

+2 −2
Original line number Diff line number Diff line
@@ -3550,7 +3550,7 @@ SYSCALL_DEFINE2(signal, int, sig, __sighandler_t, handler) 
SYSCALL_DEFINE0(pause)

{

	while (!signal_pending(current)) {

		current->state = TASK_INTERRUPTIBLE;

		__set_current_state(TASK_INTERRUPTIBLE);

		schedule();

	}

	return -ERESTARTNOHAND;
@@ -3563,7 +3563,7 @@ int sigsuspend(sigset_t *set) 
	current->saved_sigmask = current->blocked;

	set_current_blocked(set);



	current->state = TASK_INTERRUPTIBLE;

	__set_current_state(TASK_INTERRUPTIBLE);

	schedule();

	set_restore_sigmask();

	return -ERESTARTNOHAND;