1 files changed, 119 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/sco/VTsw_sco.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/sco/VTsw_sco.c
new file mode 100644
index 000000000..beb86ccad
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/sco/VTsw_sco.c
@@ -0,0 +1,119 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/sco/VTsw_sco.c,v 1.2 1998/07/25 16:56:57 dawes Exp $ */
+/*
+ * Copyright 1993 by David Wexelblat <dwex@goblin.org>
+ * Copyright 1993 by David McCullough <davidm@stallion.oz.au>
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of David Wexelblat not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  David Wexelblat makes no representations
+ * about the suitability of this software for any purpose.  It is provided
+ * "as is" without express or implied warranty.
+ *
+ * DAVID WEXELBLAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL DAVID WEXELBLAT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+/* $XConsortium: VTsw_sco.c /main/2 1995/11/13 06:08:36 kaleb $ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <X11/X.h>
+
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86_OSlib.h"
+
+/* For the event driver prototypes */
+#include <sys/event.h>
+#include <mouse.h>
+
+/*
+ * Handle the VT-switching interface for SCO
+ */
+
+/*
+ * This function is the signal handler for the VT-switching signal.  It
+ * is only referenced inside the OS-support layer. NOTE: we do NOT need
+ * to re-arm the signal here, since we used sigaction() to set the signal
+ * disposition in sco_init.c. If we had used signal(), we would need to
+ * re-arm the signal here. All we need to do now is record the fact that
+ * we got the signal. XFree86 handles the rest.
+ */
+void
+xf86VTRequest(int sig)
+{
+  xf86Info.vtRequestsPending = TRUE;
+  return;
+}
+
+Bool
+xf86VTSwitchPending(void)
+{
+  return(xf86Info.vtRequestsPending ? TRUE : FALSE);
+}
+
+/*
+ * When we switch away, we need to flush and suspend the event driver
+ * before the VT_RELDISP. We also need to get the current LED status
+ * and preserve it, so that we can restore it when we come back.
+ */
+static int sco_ledstatus = -1;
+static unsigned int sco_ledstate = 0;
+
+Bool
+xf86VTSwitchAway(void)
+{
+  ev_flush();
+  ev_suspend();
+
+  sco_ledstatus = ioctl(xf86Info.consoleFd, KDGETLED, &sco_ledstate);
+
+  xf86Info.vtRequestsPending = FALSE;
+  if (ioctl(xf86Info.consoleFd, VT_RELDISP, VT_TRUE) < 0) {
+    return(FALSE);
+  } else {
+    return(TRUE);
+  }
+}
+
+/*
+ * When we come back to the X server, we need to resume the event driver,
+ * and we need to restore the LED settings to what they were when we
+ * switched away.
+ */
+Bool
+xf86VTSwitchTo(void)
+{
+  ev_resume();
+
+  xf86Info.vtRequestsPending = FALSE;
+  if (ioctl(xf86Info.consoleFd, VT_RELDISP, VT_ACKACQ) < 0) {
+    return(FALSE);
+  } else {
+    if (sco_ledstatus >= 0) {
+      ioctl (xf86Info.consoleFd, KDSETLED, sco_ledstate);
+    }
+    sco_ledstatus = -1;
+
+    /*
+     * Convince the console driver this screen is in graphics mode,
+     * otherwise it assumes it can do more to the screen than it should.
+     */
+    if (ioctl(xf86Info.consoleFd, KDSETMODE, KD_GRAPHICS) < 0) {
+        ErrorF("Failed to set graphics mode (%s)\n", strerror(errno));
+    }
+
+    return TRUE;
+  }
+}