-/* kern_sig.c 5.19 83/06/02 */
-
-#include "../machine/reg.h"
-#include "../machine/pte.h"
-#include "../machine/psl.h"
-
-#include "../h/param.h"
-#include "../h/systm.h"
-#include "../h/dir.h"
-#include "../h/user.h"
-#include "../h/inode.h"
-#include "../h/proc.h"
-#include "../h/timeb.h"
-#include "../h/times.h"
-#include "../h/conf.h"
-#include "../h/buf.h"
-#include "../h/mount.h"
-#include "../h/text.h"
-#include "../h/seg.h"
-#include "../h/vm.h"
-#include "../h/acct.h"
-#include "../h/uio.h"
-#include "../h/kernel.h"
-#include "../h/nami.h"
+/*
+ * Copyright (c) 1982, 1986, 1989 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley. The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * @(#)kern_sig.c 7.6 (Berkeley) %G%
+ */
+
+#include "param.h"
+#include "systm.h"
+#include "dir.h"
+#include "ucred.h"
+#include "user.h"
+#include "vnode.h"
+#include "proc.h"
+#include "timeb.h"
+#include "times.h"
+#include "buf.h"
+#include "mount.h"
+#include "text.h"
+#include "seg.h"
+#include "vm.h"
+#include "acct.h"
+#include "uio.h"
+#include "file.h"
+#include "kernel.h"
+
+#include "machine/reg.h"
+#include "machine/pte.h"
+#include "machine/psl.h"
+#include "machine/mtpr.h"
+
+#define cantmask (sigmask(SIGKILL)|sigmask(SIGCONT)|sigmask(SIGSTOP))
+#define stopsigmask (sigmask(SIGSTOP)|sigmask(SIGTSTP)| \
+ sigmask(SIGTTIN)|sigmask(SIGTTOU))