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Diffstat (limited to 'hw/xfree86/os-support/usl/usl_vtsw.c')
-rw-r--r--hw/xfree86/os-support/usl/usl_vtsw.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/hw/xfree86/os-support/usl/usl_vtsw.c b/hw/xfree86/os-support/usl/usl_vtsw.c
new file mode 100644
index 000000000..2233e01b0
--- /dev/null
+++ b/hw/xfree86/os-support/usl/usl_vtsw.c
@@ -0,0 +1,96 @@
+/* $XdotOrg$ */
+/*
+ * Copyright 2005 by Kean Johnston <kean.johnston@x.org>
+ * 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.
+ *
+ */
+
+#include "X.h"
+
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86_OSlib.h"
+
+/*
+ * Handle the VT-switching interface for SCO UnixWare / OpenServer 6
+ */
+
+/*
+ * 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 usl_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()
+{
+ return(xf86Info.vtRequestsPending ? TRUE : FALSE);
+}
+
+static int usl_ledstatus = -1;
+static unsigned int usl_ledstate = 0;
+
+Bool
+xf86VTSwitchAway()
+{
+ usl_ledstatus = ioctl(xf86Info.consoleFd, KDGETLED, &usl_ledstate);
+
+ xf86Info.vtRequestsPending = FALSE;
+ if (ioctl(xf86Info.consoleFd, VT_RELDISP, 1) < 0) {
+ return(FALSE);
+ } else {
+ return(TRUE);
+ }
+}
+
+Bool
+xf86VTSwitchTo()
+{
+ xf86Info.vtRequestsPending = FALSE;
+ if (ioctl(xf86Info.consoleFd, VT_RELDISP, VT_ACKACQ) < 0) {
+ return(FALSE);
+ } else {
+ if (usl_ledstatus >= 0) {
+ ioctl (xf86Info.consoleFd, KDSETLED, usl_ledstate);
+ }
+ usl_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;
+ }
+}