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new helper: sigsuspend()

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guts of saved_sigmask-based sigsuspend/rt_sigsuspend.  Takes
kernel sigset_t *.

Open-coded instances replaced with calling it.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-05-21 21:42:32 -04:00
parent bf67f3a5c4
commit 68f3f16d9a
21 changed files with 50 additions and 223 deletions
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15
arch/m68k/kernel/signal.c
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@@ -230,18 +230,9 @@ static inline void push_cache(unsigned long vaddr)
asmlinkage int
sys_sigsuspend(int unused0, int unused1, old_sigset_t mask)
{
mask &= _BLOCKABLE;
spin_lock_irq(&current->sighand->siglock);
current->saved_sigmask = current->blocked;
siginitset(&current->blocked, mask);
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
current->state = TASK_INTERRUPTIBLE;
schedule();
set_restore_sigmask();
return -ERESTARTNOHAND;
sigset_t blocked;
siginitset(&blocked, mask);
return sigsuspend(&blocked);
}
asmlinkage int