* interp/sys-utility.boot ($ClosedIOMode): New.

	* algebra/files.spad.pamphlet (closed$IOMode): Likewise.

6 files changed, 28 insertions, 18 deletions

diff --git a/configure b/configure
index fa9548c8..7b5e00e3 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.63 for OpenAxiom 1.4.0-2010-03-18.
+# Generated by GNU Autoconf 2.63 for OpenAxiom 1.4.0-2010-04-03.
 #
 # Report bugs to <open-axiom-bugs@lists.sf.net>.
 #
@@ -745,8 +745,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
 # Identity of this package.
 PACKAGE_NAME='OpenAxiom'
 PACKAGE_TARNAME='openaxiom'
-PACKAGE_VERSION='1.4.0-2010-03-18'
-PACKAGE_STRING='OpenAxiom 1.4.0-2010-03-18'
+PACKAGE_VERSION='1.4.0-2010-04-03'
+PACKAGE_STRING='OpenAxiom 1.4.0-2010-04-03'
 PACKAGE_BUGREPORT='open-axiom-bugs@lists.sf.net'
 
 ac_unique_file="src/Makefile.pamphlet"
@@ -1511,7 +1511,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures OpenAxiom 1.4.0-2010-03-18 to adapt to many kinds of systems.
+\`configure' configures OpenAxiom 1.4.0-2010-04-03 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1581,7 +1581,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of OpenAxiom 1.4.0-2010-03-18:";;
+     short | recursive ) echo "Configuration of OpenAxiom 1.4.0-2010-04-03:";;
    esac
   cat <<\_ACEOF
 
@@ -1688,7 +1688,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-OpenAxiom configure 1.4.0-2010-03-18
+OpenAxiom configure 1.4.0-2010-04-03
 generated by GNU Autoconf 2.63
 
 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@@ -1702,7 +1702,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by OpenAxiom $as_me 1.4.0-2010-03-18, which was
+It was created by OpenAxiom $as_me 1.4.0-2010-04-03, which was
 generated by GNU Autoconf 2.63.  Invocation command line was
 
   $ $0 $@
@@ -21165,7 +21165,7 @@ exec 6>&1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by OpenAxiom $as_me 1.4.0-2010-03-18, which was
+This file was extended by OpenAxiom $as_me 1.4.0-2010-04-03, which was
 generated by GNU Autoconf 2.63.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -21228,7 +21228,7 @@ Report bugs to <bug-autoconf@gnu.org>."
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_version="\\
-OpenAxiom config.status 1.4.0-2010-03-18
+OpenAxiom config.status 1.4.0-2010-04-03
 configured by $0, generated by GNU Autoconf 2.63,
   with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
 
diff --git a/configure.ac b/configure.ac
index 3e974611..8e8f721d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 sinclude(config/open-axiom.m4)
 sinclude(config/aclocal.m4)
-AC_INIT([OpenAxiom], [1.4.0-2010-03-18], 
+AC_INIT([OpenAxiom], [1.4.0-2010-04-03], 
         [open-axiom-bugs@lists.sf.net])
 
 AC_CONFIG_AUX_DIR(config)
diff --git a/configure.ac.pamphlet b/configure.ac.pamphlet
index 8c0310a9..294d62c4 100644
--- a/configure.ac.pamphlet
+++ b/configure.ac.pamphlet
@@ -1200,7 +1200,7 @@ information:
 <<Autoconf init>>=
 sinclude(config/open-axiom.m4)
 sinclude(config/aclocal.m4)
-AC_INIT([OpenAxiom], [1.4.0-2010-03-18], 
+AC_INIT([OpenAxiom], [1.4.0-2010-04-03], 
         [open-axiom-bugs@lists.sf.net])
 
 @
diff --git a/src/ChangeLog b/src/ChangeLog
index 868e2ebf..1c04a53f 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2010-04-03  Gabriel Dos Reis  <gdr@cs.tamu.edu>
+
+	* interp/sys-utility.boot ($ClosedIOMode): New.
+	* algebra/files.spad.pamphlet (closed$IOMode): Likewise.
+
 2010-03-18  Gabriel Dos Reis  <gdr@cs.tamu.edu>
 
 	* algebra/any.spad.pamphlet (Property): Tidy.
diff --git a/src/algebra/files.spad.pamphlet b/src/algebra/files.spad.pamphlet
index cb85893b..95d45b31 100644
--- a/src/algebra/files.spad.pamphlet
+++ b/src/algebra/files.spad.pamphlet
@@ -26,19 +26,23 @@
 IOMode(): Public == Private where
   Public == SetCategory with
     input: %
-      ++ `input' indicates that an IO conduit is for input.
+      ++ \spad{input} indicates that an IO conduit is for input.
     output: %
-      ++ `output' indicates that an IO conduit is for output
+      ++ \spad{output} indicates that an IO conduit is for output
     bothWays: %
-      ++ `bothWays' indicates that an IO conduit is for both input and output.
+      ++ \spad{bothWays} indicates that an IO conduit is for both input and output.
+    closed: %
+      ++ \spad{closed} indicates that the IO conduit has been closed.
   Private == add
-    input == _$InputIOMode$Lisp
-    output == _$OutputIOMode$Lisp
-    bothWays == _$BothWaysIOmode$Lisp
-    x = y == EQ(x,y)$Lisp
+    input == _$InputIOMode$Foreign(Builtin)
+    output == _$OutputIOMode$Foreign(Builtin)
+    bothWays == _$BothWaysIOMode$Foreign(Builtin)
+    closed == _$ClosedIOMode$Foreign(Builtin)
+    x = y == EQ(x,y)$Foreign(Builtin)
     coerce m ==
       m = input => outputForm 'input
       m = output => outputForm 'output
+      m = closed => outputForm 'closed
       outputForm 'bothWays
     
 @
diff --git a/src/interp/sys-utility.boot b/src/interp/sys-utility.boot
index 3fe145a3..31a3a28b 100644
--- a/src/interp/sys-utility.boot
+++ b/src/interp/sys-utility.boot
@@ -273,6 +273,7 @@ PRINT_-AND_-EVAL_-DEFUN(name,body) ==
 $InputIOMode == KEYWORD::INPUT
 $OutputIOMode == KEYWORD::OUTPUT
 $BothWaysIOMode == KEYWORD::IO
+$ClosedIOMode == KEYWORD::CLOSED
 
 ++ return a binary stream open for `file' in mode `mode'; nil
 ++ if something went wrong.  This function is used by the Algebra.