hw/xfree86/os-support/bsd/bsd_VTsw.c

   1 /*
   2  * Derived from VTsw_usl.c which is
   3  * Copyright 1993 by David Wexelblat <dwex@goblin.org>
   4  * by S_ren Schmidt (sos@login.dkuug.dk)
   5  *
   6  * Permission to use, copy, modify, distribute, and sell this software and its
   7  * documentation for any purpose is hereby granted without fee, provided that
   8  * the above copyright notice appear in all copies and that both that
   9  * copyright notice and this permission notice appear in supporting
  10  * documentation, and that the name of David Wexelblat not be used in
  11  * advertising or publicity pertaining to distribution of the software without
  12  * specific, written prior permission.  David Wexelblat makes no representations
  13  * about the suitability of this software for any purpose.  It is provided
  14  * "as is" without express or implied warranty.
  15  *
  16  * DAVID WEXELBLAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  17  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  18  * EVENT SHALL DAVID WEXELBLAT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  19  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  20  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  21  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  22  * PERFORMANCE OF THIS SOFTWARE.
  23  *
  24  */
  25
  26 #ifdef HAVE_XORG_CONFIG_H
  27 #include <xorg-config.h>
  28 #endif
  29
  30 #include <X11/X.h>
  31 #include "xf86.h"
  32 #include "xf86Priv.h"
  33 #include "xf86_OSlib.h"
  34
  35 /*
  36  * Handle the VT-switching interface for OSs that use USL-style ioctl()s
  37  * (the bsd, sysv, sco, and linux subdirs).
  38  */
  39
  40 /*
  41  * This function is the signal handler for the VT-switching signal.  It
  42  * is only referenced inside the OS-support layer.
  43  */
  44 void
  45 xf86VTRequest(int sig)
  46 {
  47 #if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT)
  48     if (xf86Info.consType == SYSCONS || xf86Info.consType == PCVT) {
  49         xf86Info.vtRequestsPending = TRUE;
  50     }
  51 #endif
  52     return;
  53 }
  54
  55 Bool
  56 xf86VTSwitchPending()
  57 {
  58 #if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT)
  59     if (xf86Info.consType == SYSCONS || xf86Info.consType == PCVT) {
  60         return xf86Info.vtRequestsPending ? TRUE : FALSE;
  61     }
  62 #endif
  63     return FALSE;
  64 }
  65
  66 Bool
  67 xf86VTSwitchAway()
  68 {
  69 #if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT)
  70     if (xf86Info.consType == SYSCONS || xf86Info.consType == PCVT) {
  71         xf86Info.vtRequestsPending = FALSE;
  72         if (ioctl(xf86Info.consoleFd, VT_RELDISP, 1) < 0)
  73             return FALSE;
  74         else
  75             return TRUE;
  76     }
  77 #endif
  78     return FALSE;
  79 }
  80
  81 Bool
  82 xf86VTSwitchTo()
  83 {
  84 #if defined (SYSCONS_SUPPORT) || defined (PCVT_SUPPORT)
  85     if (xf86Info.consType == SYSCONS || xf86Info.consType == PCVT) {
  86         xf86Info.vtRequestsPending = FALSE;
  87         if (ioctl(xf86Info.consoleFd, VT_RELDISP, VT_ACKACQ) < 0)
  88             return FALSE;
  89         else
  90             return TRUE;
  91     }
  92 #endif
  93     return TRUE;
  94 }
  95
  96 Bool
  97 xf86VTActivate(int vtno)
  98 {
  99     if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, vtno) < 0) {
 100         return FALSE;
 101     }
 102     return TRUE;
 103 }