diff options
Diffstat (limited to 'hw/xfree86/os-support/shared/VTsw_usl.c')
-rw-r--r-- | hw/xfree86/os-support/shared/VTsw_usl.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/hw/xfree86/os-support/shared/VTsw_usl.c b/hw/xfree86/os-support/shared/VTsw_usl.c new file mode 100644 index 0000000..818de17 --- /dev/null +++ b/hw/xfree86/os-support/shared/VTsw_usl.c @@ -0,0 +1,86 @@ +/* + * Copyright 1993 by David Wexelblat <dwex@XFree86.org> + * + * 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. + * + */ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <X11/X.h> + +#include "xf86.h" +#include "xf86Priv.h" +#include "xf86_OSlib.h" + +/* + * Handle the VT-switching interface for OSs that use USL-style ioctl()s + * (the sysv, sco, and linux subdirs). + */ + +/* + * This function is the signal handler for the VT-switching signal. It + * is only referenced inside the OS-support layer. + */ +void +xf86VTRequest(int sig) +{ + signal(sig, (void(*)(int))xf86VTRequest); + xf86Info.vtRequestsPending = TRUE; + return; +} + +Bool +xf86VTSwitchPending(void) +{ + return xf86Info.vtRequestsPending ? TRUE : FALSE; +} + +Bool +xf86VTSwitchAway(void) +{ + xf86Info.vtRequestsPending = FALSE; + if (ioctl(xf86Info.consoleFd, VT_RELDISP, 1) < 0) + return FALSE; + else + return TRUE; +} + +Bool +xf86VTSwitchTo(void) +{ + xf86Info.vtRequestsPending = FALSE; + if (ioctl(xf86Info.consoleFd, VT_RELDISP, VT_ACKACQ) < 0) + return FALSE; + else + return TRUE; +} + +Bool +xf86VTActivate(int vtno) +{ +#ifdef VT_ACTIVATE + if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, vtno) < 0) { + return FALSE; + } +#endif + return TRUE; +} |