Index: signal.cc
===================================================================
RCS file: /cvs/src/src/winsup/cygwin/signal.cc,v
retrieving revision 1.22
diff -u -r1.22 signal.cc
--- signal.cc	2001/01/17 14:57:09	1.22
+++ signal.cc	2001/02/09 15:27:10
@@ -46,7 +46,7 @@
   _sig_func_ptr prev;
 
   /* check that sig is in right range */
-  if (sig < 0 || sig >= NSIG)
+  if (sig < 0 || sig >= NSIG || sig == SIGKILL || sig == SIGSTOP)
     {
       set_errno (EINVAL);
       syscall_printf ("SIG_ERR = signal (%d, %p)", sig, func);
Index: syscalls.cc
===================================================================
RCS file: /cvs/src/src/winsup/cygwin/syscalls.cc,v
retrieving revision 1.81
diff -u -r1.81 syscalls.cc
--- syscalls.cc	2001/02/06 14:07:02	1.81
+++ syscalls.cc	2001/02/09 15:27:11
@@ -447,7 +447,12 @@
   off_t res;
   sigframe thisframe (mainthread);
 
-  if (fdtab.not_open (fd))
+  if ( dir != SEEK_SET && dir != SEEK_CUR && dir != SEEK_END )
+    {
+      set_errno ( EINVAL );
+      res = -1;
+    }
+  else if (fdtab.not_open (fd))
     {
       set_errno (EBADF);
       res = -1;