Initial revision

diff --git a/v7/src/microcode/pruxio.c b/v7/src/microcode/pruxio.c
new file mode 100644 (file)
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--- /dev/null
+++ b/v7/src/microcode/pruxio.c
@@ -0,0 +1,117 @@
+/* -*-C-*-
+
+$Id: pruxio.c,v 1.1 1993/03/10 17:56:54 cph Exp $
+
+Copyright (c) 1993 Massachusetts Institute of Technology
+
+This material was developed by the Scheme project at the Massachusetts
+Institute of Technology, Department of Electrical Engineering and
+Computer Science.  Permission to copy this software, to redistribute
+it, and to use it for any purpose is granted, subject to the following
+restrictions and understandings.
+
+1. Any copy made of this software must include this copyright notice
+in full.
+
+2. Users of this software agree to make their best efforts (a) to
+return to the MIT Scheme project any improvements or extensions that
+they make, so that these may be included in future releases; and (b)
+to inform MIT of noteworthy uses of this software.
+
+3. All materials developed as a consequence of the use of this
+software shall duly acknowledge such use, in accordance with the usual
+standards of acknowledging credit in academic research.
+
+4. MIT has made no warrantee or representation that the operation of
+this software will be error-free, and MIT is under no obligation to
+provide any services, by way of maintenance, update, or otherwise.
+
+5. In conjunction with products arising from the use of this material,
+there shall be no use of the name of the Massachusetts Institute of
+Technology nor of any adaptation thereof in any advertising,
+promotional, or sales literature without prior written consent from
+MIT in each case. */
+
+/* Primitives to perform I/O to and from files. */
+
+#include "scheme.h"
+#include "prims.h"
+#include "osio.h"
+#include "uxselect.h"
+
+#ifndef __hp9000s700
+/* Blows up HP 9000/700 compiler (HP-UX 8.05)!  */
+extern Tchannel EXFUN (arg_channel, (int arg_number));
+extern int EXFUN (UX_channel_descriptor, (Tchannel channel));
+#endif
+\f
+DEFINE_PRIMITIVE ("SELECT-REGISTRY-SIZE", Prim_selreg_size, 0, 0, 0)
+{
+  PRIMITIVE_HEADER (0);
+  PRIMITIVE_RETURN (long_to_integer (UX_select_registry_size ()));
+}
+
+DEFINE_PRIMITIVE ("SELECT-REGISTRY-LUB", Prim_selreg_lub, 0, 0, 0)
+{
+  PRIMITIVE_HEADER (0);
+  PRIMITIVE_RETURN (long_to_integer (UX_select_registry_lub ()));
+}
+
+DEFINE_PRIMITIVE ("SELECT-REGISTRY-CLEAR-ALL", Prim_selreg_clear_all,
+                 1, 1, 0)
+{
+  PRIMITIVE_HEADER (1);
+  UX_select_registry_clear_all (STRING_ARG (1));
+  PRIMITIVE_RETURN (UNSPECIFIC);
+}
+
+DEFINE_PRIMITIVE ("SELECT-REGISTRY-SET", Prim_selreg_set,
+                 2, 2, 0)
+{
+  PRIMITIVE_HEADER (2);
+  UX_select_registry_set ((STRING_ARG (1)), (arg_integer (2)));
+  PRIMITIVE_RETURN (UNSPECIFIC);
+}
+
+DEFINE_PRIMITIVE ("SELECT-REGISTRY-CLEAR", Prim_selreg_clear,
+                 2, 2, 0)
+{
+  PRIMITIVE_HEADER (2);
+  UX_select_registry_clear ((STRING_ARG (1)), (arg_integer (2)));
+  PRIMITIVE_RETURN (UNSPECIFIC);
+}
+
+DEFINE_PRIMITIVE ("SELECT-REGISTRY-IS-SET?", Prim_selreg_is_set_p,
+                 2, 2, 0)
+{
+  PRIMITIVE_HEADER (2);
+  PRIMITIVE_RETURN
+    ((BOOLEAN_TO_OBJECT
+      (UX_select_registry_is_set ((STRING_ARG (1)), (arg_integer (2))))));
+}
+
+DEFINE_PRIMITIVE ("SELECT-REGISTRY-TEST", Prim_selreg_test,
+                 3, 3, 0)
+{
+  PRIMITIVE_HEADER (3);
+  switch (UX_select_registry_test ((STRING_ARG (1)), (STRING_ARG (2)),
+                                  (BOOLEAN_ARG (3))))
+    {
+    case select_input_none:
+      PRIMITIVE_RETURN (LONG_TO_UNSIGNED_FIXNUM (0));
+    case select_input_argument:
+      PRIMITIVE_RETURN (LONG_TO_UNSIGNED_FIXNUM (1));
+    case select_input_process_status:
+      PRIMITIVE_RETURN (LONG_TO_UNSIGNED_FIXNUM (2));
+    case select_input_interrupt:
+      PRIMITIVE_RETURN (LONG_TO_UNSIGNED_FIXNUM (3));
+    default:
+      error_external_return ();
+    }
+}
+
+DEFINE_PRIMITIVE ("CHANNEL-DESCRIPTOR", Prim_channel_descriptor, 1, 1, 0)
+{
+  PRIMITIVE_HEADER (1);
+  PRIMITIVE_RETURN (long_to_integer (UX_channel_descriptor (arg_channel (1))));
+}