diff options
Diffstat (limited to 'hw/xfree86/os-support/usl/usl_vtsw.c')
-rw-r--r-- | hw/xfree86/os-support/usl/usl_vtsw.c | 96 |
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; + } +} |