new helper: sigsuspend()
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>
diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c
index a69245b..fa54410 100644
--- a/arch/x86/ia32/ia32_signal.c
+++ b/arch/x86/ia32/ia32_signal.c
@@ -127,18 +127,8 @@
asmlinkage long sys32_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);
-
- current->state = TASK_INTERRUPTIBLE;
- schedule();
-
- set_restore_sigmask();
- return -ERESTARTNOHAND;
+ return sigsuspend(&blocked);
}
asmlinkage long sys32_sigaltstack(const stack_ia32_t __user *uss_ptr,