diff options
author | marha <marha@users.sourceforge.net> | 2010-06-11 14:16:16 +0000 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2010-06-11 14:16:16 +0000 |
commit | d1e4f4b8546c7955c66dd023bfd6ef437db9d21d (patch) | |
tree | 529985e77bfc95aa95fe5b540e8f42b0ef041206 /xorg-server/hw/xfree86/os-support/sco/sco_init.c | |
parent | 13919cf85a6ca41d97238de13344aba59e0f7680 (diff) | |
parent | 4c61bf84b11e26e6f22648668c95ea760a379163 (diff) | |
download | vcxsrv-d1e4f4b8546c7955c66dd023bfd6ef437db9d21d.tar.gz vcxsrv-d1e4f4b8546c7955c66dd023bfd6ef437db9d21d.tar.bz2 vcxsrv-d1e4f4b8546c7955c66dd023bfd6ef437db9d21d.zip |
svn merge ^/branches/released .
Diffstat (limited to 'xorg-server/hw/xfree86/os-support/sco/sco_init.c')
-rw-r--r-- | xorg-server/hw/xfree86/os-support/sco/sco_init.c | 588 |
1 files changed, 294 insertions, 294 deletions
diff --git a/xorg-server/hw/xfree86/os-support/sco/sco_init.c b/xorg-server/hw/xfree86/os-support/sco/sco_init.c index 5f7db3437..fd4c898dd 100644 --- a/xorg-server/hw/xfree86/os-support/sco/sco_init.c +++ b/xorg-server/hw/xfree86/os-support/sco/sco_init.c @@ -1,294 +1,294 @@ -/* - * Copyright 2001-2005 by J. Kean Johnston <jkj@sco.com> - * - * 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 J. Kean Johnston not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. J. Kean Johnston makes no - * representations about the suitability of this software for any purpose. - * It is provided "as is" without express or implied warranty. - * - * J. KEAN JOHNSTON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL J. KEAN JOHNSTON 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. - */ - -/* Re-written May 2001 to represent the current state of reality */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <X11/X.h> -#include <X11/Xmd.h> - -#include "compiler.h" - -#include "xf86.h" -#include "xf86Priv.h" -#include "xf86_OSlib.h" - -static Bool KeepTty = FALSE; -static int VTnum = -1; -static char vtdevice[48]; -static int sco_console_mode = -1; - -extern Bool mpxLock; - -void -xf86OpenConsole(void) -{ - int i, ioctl_ret; - struct vt_mode VT; - struct vid_info vidinf; - struct sigaction sigvtsw; - char *ttn; - - if (serverGeneration == 1) { - /* check if we're run with euid==0 */ - if (geteuid() != 0) { - FatalError("xf86OpenConsole: Server must be setuid root\n"); - } - - /* If we are run in the background we will get SIGTTOU. Ignore it. */ - OsSignal (SIGTTOU, SIG_IGN); - - /* - * Set up the virtual terminal (multiscreen in SCO parlance). - * For the actual console itself, screens are numbered from - * 1 to (usually) 16. However, it is possible to have a nested - * server, and it is also possible to be on a multi-console - * system such as MaxSpeed or SunRiver. Therefore, we should - * not make any assumptions about the TTY name we are on, and - * instead we rely on ttyname() to give us the real TTY name. - * Previously, we tried to determine the TTY name manually. - * This is wrong. The only time we need to futz with the TTY name - * is if we were given the name of a TTY to run on explicity on - * the command line. - */ - - if (VTnum == -1) { - /* - * No device was specified. We need to query the kernel to see which - * console device we are on (and in fact if we are on a console at all). - */ - ttn = ttyname (1); - - if (ttn == (char *)0) { - FatalError ("xf86OpenConsole: Could not determine TTY name: %s\n", - strerror(errno)); - } - strlcpy (vtdevice, ttn, sizeof(vtdevice)); - } else if (VTnum >= 0) { - snprintf (vtdevice, sizeof(vtdevice), "/dev/tty%02d", VTnum); - } - - /* - * Now we can dispose of stdin/stdout - */ - fclose (stdin); - fclose (stdout); - - if ((xf86Info.consoleFd = open(vtdevice, O_RDWR | O_NDELAY, 0)) < 0) { - FatalError("xf86OpenConsole: Cannot open %s: %s\n", vtdevice, - strerror(errno)); - } - - /* - * We make 100% sure we use the correct VT number. This can get ugly - * where there are multi-consoles in use, so we make sure we query - * the kernel for the correct VT number. It knows best, we don't. - */ - vidinf.size = sizeof(vidinf); - if (ioctl (xf86Info.consoleFd, CONS_GETINFO, &vidinf) < 0) { - FatalError ("xf86OpenConsole: %s not a console device " - "or error querying device: %s\n", vtdevice, strerror (errno)); - } - xf86Info.vtno = vidinf.m_num; - VTnum = vidinf.m_num + 1; /* 0-based */ - - ErrorF("(using VT%02d device %s)\n\n", VTnum, vtdevice); - - /* We activate the console just in case its not the one we are on */ - if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) != 0) { - ErrorF("xf86OpenConsole: VT_ACTIVATE failed (%s)\n", strerror(errno)); - } - - /* Disassociate from controling TTY */ - if (!KeepTty) { - setpgrp(); - } - - /* - * Now we get the current mode that the console device is in. We will - * use this later when we close the console device to restore it to - * that same mode. - */ - if ((sco_console_mode = ioctl(xf86Info.consoleFd, CONS_GET, 0L)) < 0) { - FatalError("xf86OpenConsole: CONS_GET failed on console (%s)\n", - strerror(errno)); - } - - if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) < 0) { - FatalError("xf86OpenConsole: VT_GETMODE failed (%s)\n", strerror(errno)); - } - - sigvtsw.sa_handler = xf86VTRequest; - sigfillset(&sigvtsw.sa_mask); - sigvtsw.sa_flags = 0; - - /* NOTE: Using sigaction means we dont have to re-arm the signal */ - sigaction(SIGUSR1, &sigvtsw, NULL); - - VT.mode = VT_PROCESS; - VT.relsig = SIGUSR1; - VT.acqsig = SIGUSR1; - VT.frsig = SIGINT; /* Not implemented */ - VT.waitv = 0; - - /* - * The SCO X server tries the following call 5 times. Lets do the same - * thing. It shouldn't really be required but sometimes things take a - * while to settle down when switching screens. *helpless shrug* I know - * its sucks but ... - */ - - ioctl_ret = 0; - for (i = 0; i < 5; i++) { - ioctl_ret = ioctl(xf86Info.consoleFd, VT_SETMODE, &VT); - if (ioctl_ret >= 0) - break; - usleep(999999); /* Dont use nap() - it forces linking with -lx */ - } - - if (ioctl_ret < 0) { - FatalError("xf86OpenConsole: VT_SETMODE failed (%s)\n", strerror(errno)); - } - - /* - * Convince the console driver we are in graphics mode. - */ - if (ioctl(xf86Info.consoleFd, KDSETMODE, KD_GRAPHICS) < 0) { - ErrorF("Failed to set graphics mode (%s)\n", strerror(errno)); - } - } else { /* serverGeneration != 1 */ - if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) != 0) { - ErrorF("xf86OpenConsole: VT_ACTIVATE failed (%s)\n", strerror(errno)); - } - } -} - -/* - * Restore the console to its previous state. This may cause flicker if - * the screen was previous in a graphics mode, because we first set it - * to text mode. This has the advantage of getting the console driver - * to do a soft reset on the card, which really does help settle the - * video card down again after coming out of Xfree86. - */ -void -xf86CloseConsole(void) -{ - struct vt_mode VT; - struct sigaction sigvtsw; - - /* Set text mode (possibly briefly) */ - ioctl(xf86Info.consoleFd, KDSETMODE, KD_TEXT0); - - /* Restore the original mode */ - if (sco_console_mode != -1) { - ioctl(xf86Info.consoleFd, MODESWITCH | sco_console_mode, 0L); - } - - ioctl(xf86Info.consoleFd, VT_RELDISP, 1); /* Release the display */ - - sigvtsw.sa_handler = SIG_DFL; - sigfillset(&sigvtsw.sa_mask); - sigvtsw.sa_flags = 0; - - sigaction(SIGUSR1, &sigvtsw, NULL); - - VT.mode = VT_AUTO; - VT.waitv = 0; - VT.relsig = SIGUSR1; - VT.acqsig = SIGUSR1; - VT.frsig = SIGINT; - ioctl(xf86Info.consoleFd, VT_SETMODE, &VT); /* Revert to auto handling */ - - close(xf86Info.consoleFd); /* We're done with the device */ -} - -int -xf86ProcessArgument(int argc, char *argv[], int i) -{ - /* - * Keep server from detaching from controlling tty. This is useful - * when debugging (so the server can receive keyboard signals). - */ - if (!strcmp(argv[i], "-keeptty")) { - KeepTty = TRUE; - return(1); - } - - /* - * By default, the X server wants to bind itself to CPU 0. This makes - * sure that the server has full access to the I/O ports at IOPL 3. - * Some SMP systems have trouble with I/O on CPU's other than 0. If, - * however, you have a system that is well behaved, you can specify - * this argument and let the scheduler decide which CPU the server - * should run on. - */ - if (!strcmp(argv[i], "-nompxlock")) { - mpxLock = FALSE; - return (1); - } - - /* - * Specify the VT number to run on (NOT the device). - */ - if ((argv[i][0] == 'v') && (argv[i][1] == 't')) { - if (sscanf(argv[i], "vt%2d", &VTnum) == 0) { - UseMsg(); - VTnum = -1; - return(0); - } - if (VTnum <= 0) { - UseMsg(); - VTnum = -1; - return(0); - } - return(1); - } - - /* - * Use a device the user specifies. - */ - if (!strcmp(argv[i], "-crt")) { - if (++i > argc) { - UseMsg(); - VTnum = -1; - return(0); - } else { - VTnum = -2; - strlcpy (vtdevice, argv[i], sizeof(vtdevice)); - return(2); - } - } - return(0); -} - -void -xf86UseMsg(void) -{ - ErrorF("vtXX use the specified VT number\n"); - ErrorF("-crt DEVICE use the specified VT device\n"); - ErrorF("-nompxlock dont bind X server to CPU 0\n"); - ErrorF("-keeptty "); - ErrorF("don't detach controlling tty (for debugging only)\n"); -} +/*
+ * Copyright 2001-2005 by J. Kean Johnston <jkj@sco.com>
+ *
+ * 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 J. Kean Johnston not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. J. Kean Johnston makes no
+ * representations about the suitability of this software for any purpose.
+ * It is provided "as is" without express or implied warranty.
+ *
+ * J. KEAN JOHNSTON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL J. KEAN JOHNSTON 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.
+ */
+
+/* Re-written May 2001 to represent the current state of reality */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xmd.h>
+
+#include "compiler.h"
+
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86_OSlib.h"
+
+static Bool KeepTty = FALSE;
+static int VTnum = -1;
+static char vtdevice[48];
+static int sco_console_mode = -1;
+
+extern Bool mpxLock;
+
+void
+xf86OpenConsole(void)
+{
+ int i, ioctl_ret;
+ struct vt_mode VT;
+ struct vid_info vidinf;
+ struct sigaction sigvtsw;
+ char *ttn;
+
+ if (serverGeneration == 1) {
+ /* check if we're run with euid==0 */
+ if (geteuid() != 0) {
+ FatalError("xf86OpenConsole: Server must be setuid root\n");
+ }
+
+ /* If we are run in the background we will get SIGTTOU. Ignore it. */
+ OsSignal (SIGTTOU, SIG_IGN);
+
+ /*
+ * Set up the virtual terminal (multiscreen in SCO parlance).
+ * For the actual console itself, screens are numbered from
+ * 1 to (usually) 16. However, it is possible to have a nested
+ * server, and it is also possible to be on a multi-console
+ * system such as MaxSpeed or SunRiver. Therefore, we should
+ * not make any assumptions about the TTY name we are on, and
+ * instead we rely on ttyname() to give us the real TTY name.
+ * Previously, we tried to determine the TTY name manually.
+ * This is wrong. The only time we need to futz with the TTY name
+ * is if we were given the name of a TTY to run on explicity on
+ * the command line.
+ */
+
+ if (VTnum == -1) {
+ /*
+ * No device was specified. We need to query the kernel to see which
+ * console device we are on (and in fact if we are on a console at all).
+ */
+ ttn = ttyname (1);
+
+ if (ttn == (char *)0) {
+ FatalError ("xf86OpenConsole: Could not determine TTY name: %s\n",
+ strerror(errno));
+ }
+ strlcpy (vtdevice, ttn, sizeof(vtdevice));
+ } else if (VTnum >= 0) {
+ snprintf (vtdevice, sizeof(vtdevice), "/dev/tty%02d", VTnum);
+ }
+
+ /*
+ * Now we can dispose of stdin/stdout
+ */
+ fclose (stdin);
+ fclose (stdout);
+
+ if ((xf86Info.consoleFd = open(vtdevice, O_RDWR | O_NDELAY, 0)) < 0) {
+ FatalError("xf86OpenConsole: Cannot open %s: %s\n", vtdevice,
+ strerror(errno));
+ }
+
+ /*
+ * We make 100% sure we use the correct VT number. This can get ugly
+ * where there are multi-consoles in use, so we make sure we query
+ * the kernel for the correct VT number. It knows best, we don't.
+ */
+ vidinf.size = sizeof(vidinf);
+ if (ioctl (xf86Info.consoleFd, CONS_GETINFO, &vidinf) < 0) {
+ FatalError ("xf86OpenConsole: %s not a console device "
+ "or error querying device: %s\n", vtdevice, strerror (errno));
+ }
+ xf86Info.vtno = vidinf.m_num;
+ VTnum = vidinf.m_num + 1; /* 0-based */
+
+ ErrorF("(using VT%02d device %s)\n\n", VTnum, vtdevice);
+
+ /* We activate the console just in case its not the one we are on */
+ if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) != 0) {
+ ErrorF("xf86OpenConsole: VT_ACTIVATE failed (%s)\n", strerror(errno));
+ }
+
+ /* Disassociate from controling TTY */
+ if (!KeepTty) {
+ setpgrp();
+ }
+
+ /*
+ * Now we get the current mode that the console device is in. We will
+ * use this later when we close the console device to restore it to
+ * that same mode.
+ */
+ if ((sco_console_mode = ioctl(xf86Info.consoleFd, CONS_GET, 0L)) < 0) {
+ FatalError("xf86OpenConsole: CONS_GET failed on console (%s)\n",
+ strerror(errno));
+ }
+
+ if (ioctl(xf86Info.consoleFd, VT_GETMODE, &VT) < 0) {
+ FatalError("xf86OpenConsole: VT_GETMODE failed (%s)\n", strerror(errno));
+ }
+
+ sigvtsw.sa_handler = xf86VTRequest;
+ sigfillset(&sigvtsw.sa_mask);
+ sigvtsw.sa_flags = 0;
+
+ /* NOTE: Using sigaction means we dont have to re-arm the signal */
+ sigaction(SIGUSR1, &sigvtsw, NULL);
+
+ VT.mode = VT_PROCESS;
+ VT.relsig = SIGUSR1;
+ VT.acqsig = SIGUSR1;
+ VT.frsig = SIGINT; /* Not implemented */
+ VT.waitv = 0;
+
+ /*
+ * The SCO X server tries the following call 5 times. Lets do the same
+ * thing. It shouldn't really be required but sometimes things take a
+ * while to settle down when switching screens. *helpless shrug* I know
+ * its sucks but ...
+ */
+
+ ioctl_ret = 0;
+ for (i = 0; i < 5; i++) {
+ ioctl_ret = ioctl(xf86Info.consoleFd, VT_SETMODE, &VT);
+ if (ioctl_ret >= 0)
+ break;
+ usleep(999999); /* Dont use nap() - it forces linking with -lx */
+ }
+
+ if (ioctl_ret < 0) {
+ FatalError("xf86OpenConsole: VT_SETMODE failed (%s)\n", strerror(errno));
+ }
+
+ /*
+ * Convince the console driver we are in graphics mode.
+ */
+ if (ioctl(xf86Info.consoleFd, KDSETMODE, KD_GRAPHICS) < 0) {
+ ErrorF("Failed to set graphics mode (%s)\n", strerror(errno));
+ }
+ } else { /* serverGeneration != 1 */
+ if (ioctl(xf86Info.consoleFd, VT_ACTIVATE, xf86Info.vtno) != 0) {
+ ErrorF("xf86OpenConsole: VT_ACTIVATE failed (%s)\n", strerror(errno));
+ }
+ }
+}
+
+/*
+ * Restore the console to its previous state. This may cause flicker if
+ * the screen was previous in a graphics mode, because we first set it
+ * to text mode. This has the advantage of getting the console driver
+ * to do a soft reset on the card, which really does help settle the
+ * video card down again after coming out of Xfree86.
+ */
+void
+xf86CloseConsole(void)
+{
+ struct vt_mode VT;
+ struct sigaction sigvtsw;
+
+ /* Set text mode (possibly briefly) */
+ ioctl(xf86Info.consoleFd, KDSETMODE, KD_TEXT0);
+
+ /* Restore the original mode */
+ if (sco_console_mode != -1) {
+ ioctl(xf86Info.consoleFd, MODESWITCH | sco_console_mode, 0L);
+ }
+
+ ioctl(xf86Info.consoleFd, VT_RELDISP, 1); /* Release the display */
+
+ sigvtsw.sa_handler = SIG_DFL;
+ sigfillset(&sigvtsw.sa_mask);
+ sigvtsw.sa_flags = 0;
+
+ sigaction(SIGUSR1, &sigvtsw, NULL);
+
+ VT.mode = VT_AUTO;
+ VT.waitv = 0;
+ VT.relsig = SIGUSR1;
+ VT.acqsig = SIGUSR1;
+ VT.frsig = SIGINT;
+ ioctl(xf86Info.consoleFd, VT_SETMODE, &VT); /* Revert to auto handling */
+
+ close(xf86Info.consoleFd); /* We're done with the device */
+}
+
+int
+xf86ProcessArgument(int argc, char *argv[], int i)
+{
+ /*
+ * Keep server from detaching from controlling tty. This is useful
+ * when debugging (so the server can receive keyboard signals).
+ */
+ if (!strcmp(argv[i], "-keeptty")) {
+ KeepTty = TRUE;
+ return 1;
+ }
+
+ /*
+ * By default, the X server wants to bind itself to CPU 0. This makes
+ * sure that the server has full access to the I/O ports at IOPL 3.
+ * Some SMP systems have trouble with I/O on CPU's other than 0. If,
+ * however, you have a system that is well behaved, you can specify
+ * this argument and let the scheduler decide which CPU the server
+ * should run on.
+ */
+ if (!strcmp(argv[i], "-nompxlock")) {
+ mpxLock = FALSE;
+ return 1;
+ }
+
+ /*
+ * Specify the VT number to run on (NOT the device).
+ */
+ if ((argv[i][0] == 'v') && (argv[i][1] == 't')) {
+ if (sscanf(argv[i], "vt%2d", &VTnum) == 0) {
+ UseMsg();
+ VTnum = -1;
+ return 0;
+ }
+ if (VTnum <= 0) {
+ UseMsg();
+ VTnum = -1;
+ return 0;
+ }
+ return 1;
+ }
+
+ /*
+ * Use a device the user specifies.
+ */
+ if (!strcmp(argv[i], "-crt")) {
+ if (++i > argc) {
+ UseMsg();
+ VTnum = -1;
+ return 0;
+ } else {
+ VTnum = -2;
+ strlcpy (vtdevice, argv[i], sizeof(vtdevice));
+ return 2;
+ }
+ }
+ return 0;
+}
+
+void
+xf86UseMsg(void)
+{
+ ErrorF("vtXX use the specified VT number\n");
+ ErrorF("-crt DEVICE use the specified VT device\n");
+ ErrorF("-nompxlock dont bind X server to CPU 0\n");
+ ErrorF("-keeptty ");
+ ErrorF("don't detach controlling tty (for debugging only)\n");
+}
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