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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 <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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9
arch/s390/kernel/signal.c
View file

@ -59,15 +59,8 @@ typedef struct
SYSCALL_DEFINE3(sigsuspend, int, history0, int, history1, old_sigset_t, mask)
{
sigset_t blocked;
current->saved_sigmask = current->blocked;
mask &= _BLOCKABLE;
siginitset(&blocked, mask);
set_current_blocked(&blocked);
set_current_state(TASK_INTERRUPTIBLE);
schedule();
set_restore_sigmask();
return -ERESTARTNOHAND;
return sigsuspend(&blocked);
}
SYSCALL_DEFINE3(sigaction, int, sig, const struct old_sigaction __user *, act,