Initial commit

1 files changed, 35 insertions, 0 deletions

diff --git a/sys/gio/nsppkern/gktclose.x b/sys/gio/nsppkern/gktclose.x
new file mode 100644
index 00000000..9ab73c34
--- /dev/null
+++ b/sys/gio/nsppkern/gktclose.x
@@ -0,0 +1,35 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	"gkt.h"
+
+# GKT_CLOSE -- Close the nspp translation kernel.  Close the spool file so
+# the output is finally plotted.  Free up storage.
+
+procedure gkt_close()
+
+include	"gkt.com"
+
+begin
+	# If there is anything in the metafile, flush it and add a frame
+	# advance if required for the device.
+
+	if (g_ndraw > 0 || g_nframes > 0) {
+	    # Does this device require a frame advance at end of metafile?
+	    if (GKT_ENDFRAME(g_kt) == YES)
+		call frame()
+
+	    # The call to the NSPP flush procedure must be escaped to avoid
+	    # interpretation as the FIO flush procedure.
+
+%	    call mcflsh
+	}
+
+	# Close output metafile, disposing of it to the host system.
+	call close (g_out)
+
+	# Free kernel data structures.
+	call mfree (GKT_SBUF(g_kt), TY_CHAR)
+	call mfree (g_kt, TY_STRUCT)
+
+	g_kt = NULL
+end