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new helper: sigsuspend()

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

Open-coded instances replaced with calling it.

Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2012-05-21 21:42:32 -04:00
commit 68f3f16d9a
21 changed files with 50 additions and 223 deletions
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12
arch/sh/kernel/signal_32.c
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@ -58,18 +58,8 @@ sys_sigsuspend(old_sigset_t mask,
struct pt_regs __regs)
{
sigset_t blocked;
current->saved_sigmask = current->blocked;
mask &= _BLOCKABLE;
siginitset(&blocked, mask);
set_current_blocked(&blocked);
current->state = TASK_INTERRUPTIBLE;
schedule();
set_restore_sigmask();
return -ERESTARTNOHAND;
return sigsuspend(&blocked);
}
asmlinkage int