most of set_current_blocked() callers want SIGKILL/SIGSTOP removed from set

[pandora-kernel.git] / arch / um / kernel / signal.c

diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c
index 292e706..4ce6ab2 100644 (file)
--- a/arch/um/kernel/signal.c
+++ b/arch/um/kernel/signal.c
@@ -15,17 +15,13 @@
 EXPORT_SYMBOL(block_signals);
 EXPORT_SYMBOL(unblock_signals);
 
-#define _S(nr) (1<<((nr)-1))
-
-#define _BLOCKABLE (~(_S(SIGKILL) | _S(SIGSTOP)))
-
 /*
  * OK, we're invoking a handler
  */
-static int handle_signal(struct pt_regs *regs, unsigned long signr,
-                        struct k_sigaction *ka, siginfo_t *info,
-                        sigset_t *oldset)
+static void handle_signal(struct pt_regs *regs, unsigned long signr,
+                        struct k_sigaction *ka, siginfo_t *info)
 {
+       sigset_t *oldset = sigmask_to_save();
        unsigned long sp;
        int err;
 
@@ -66,8 +62,6 @@ static int handle_signal(struct pt_regs *regs, unsigned long signr,
                force_sigsegv(signr, current);
        else
                block_sigmask(ka, signr);
-
-       return err;
 }
 
 static int kern_do_signal(struct pt_regs *regs)
@@ -77,24 +71,9 @@ static int kern_do_signal(struct pt_regs *regs)
        int sig, handled_sig = 0;
 
        while ((sig = get_signal_to_deliver(&info, &ka_copy, regs, NULL)) > 0) {
-               sigset_t *oldset;
-               if (test_thread_flag(TIF_RESTORE_SIGMASK))
-                       oldset = &current->saved_sigmask;
-               else
-                       oldset = &current->blocked;
                handled_sig = 1;
                /* Whee!  Actually deliver the signal.  */
-               if (!handle_signal(regs, sig, &ka_copy, &info, oldset)) {
-                       /*
-                        * a signal was successfully delivered; the saved
-                        * sigmask will have been stored in the signal frame,
-                        * and will be restored by sigreturn, so we can simply
-                        * clear the TIF_RESTORE_SIGMASK flag
-                        */
-                       if (test_thread_flag(TIF_RESTORE_SIGMASK))
-                               clear_thread_flag(TIF_RESTORE_SIGMASK);
-                       break;
-               }
+               handle_signal(regs, sig, &ka_copy, &info);
        }
 
        /* Did we come from a system call? */
@@ -130,10 +109,8 @@ static int kern_do_signal(struct pt_regs *regs)
         * if there's no signal to deliver, we just put the saved sigmask
         * back
         */
-       if (!handled_sig && test_thread_flag(TIF_RESTORE_SIGMASK)) {
-               clear_thread_flag(TIF_RESTORE_SIGMASK);
-               sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
-       }
+       if (!handled_sig)
+               restore_saved_sigmask();
        return handled_sig;
 }