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path: root/hw/xfree86/os-support/linux/lnx_init.c
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Diffstat (limited to 'hw/xfree86/os-support/linux/lnx_init.c')
-rw-r--r--hw/xfree86/os-support/linux/lnx_init.c343
1 files changed, 170 insertions, 173 deletions
diff --git a/hw/xfree86/os-support/linux/lnx_init.c b/hw/xfree86/os-support/linux/lnx_init.c
index 2176985f9..c938b87d3 100644
--- a/hw/xfree86/os-support/linux/lnx_init.c
+++ b/hw/xfree86/os-support/linux/lnx_init.c
@@ -43,7 +43,7 @@ static int activeVT = -1;
static char vtname[11];
static struct termios tty_attr; /* tty state to restore */
-static int tty_mode; /* kbd mode to restore */
+static int tty_mode; /* kbd mode to restore */
static void
drain_console(int fd, void *closure)
@@ -61,11 +61,11 @@ switch_to(int vt, const char *from)
SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_ACTIVATE, vt));
if (ret < 0)
- FatalError("%s: VT_ACTIVATE failed: %s\n", from, strerror(errno));
+ FatalError("%s: VT_ACTIVATE failed: %s\n", from, strerror(errno));
SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_WAITACTIVE, vt));
if (ret < 0)
- FatalError("%s: VT_WAITACTIVE failed: %s\n", from, strerror(errno));
+ FatalError("%s: VT_WAITACTIVE failed: %s\n", from, strerror(errno));
}
void
@@ -80,171 +80,172 @@ xf86OpenConsole(void)
if (serverGeneration == 1) {
- /* when KeepTty check if we're run with euid==0 */
- if (KeepTty && geteuid() != 0)
- FatalError("xf86OpenConsole:"
- " Server must be suid root for option \"KeepTTY\"\n");
-
- /*
- * setup the virtual terminal manager
- */
- if (xf86Info.vtno != -1) {
- from = X_CMDLINE;
- } else {
-
- i=0;
- while (tty0[i] != NULL) {
- if ((fd = open(tty0[i],O_WRONLY,0)) >= 0)
- break;
- i++;
- }
-
- if (fd < 0)
- FatalError(
- "xf86OpenConsole: Cannot open /dev/tty0 (%s)\n",
- strerror(errno));
-
- if (xf86Info.ShareVTs)
- {
- SYSCALL(ret = ioctl(fd, VT_GETSTATE, &vts));
- if (ret < 0)
- FatalError("xf86OpenConsole: Cannot find the current"
- " VT (%s)\n", strerror(errno));
+ /* when KeepTty check if we're run with euid==0 */
+ if (KeepTty && geteuid() != 0)
+ FatalError("xf86OpenConsole:"
+ " Server must be suid root for option \"KeepTTY\"\n");
+
+ /*
+ * setup the virtual terminal manager
+ */
+ if (xf86Info.vtno != -1) {
+ from = X_CMDLINE;
+ }
+ else {
+
+ i = 0;
+ while (tty0[i] != NULL) {
+ if ((fd = open(tty0[i], O_WRONLY, 0)) >= 0)
+ break;
+ i++;
+ }
+
+ if (fd < 0)
+ FatalError("xf86OpenConsole: Cannot open /dev/tty0 (%s)\n",
+ strerror(errno));
+
+ if (xf86Info.ShareVTs) {
+ SYSCALL(ret = ioctl(fd, VT_GETSTATE, &vts));
+ if (ret < 0)
+ FatalError("xf86OpenConsole: Cannot find the current"
+ " VT (%s)\n", strerror(errno));
xf86Info.vtno = vts.v_active;
- } else {
- SYSCALL(ret = ioctl(fd, VT_OPENQRY, &xf86Info.vtno));
- if (ret < 0)
- FatalError("xf86OpenConsole: Cannot find a free VT: "
- "%s\n", strerror(errno));
- if (xf86Info.vtno == -1)
- FatalError("xf86OpenConsole: Cannot find a free VT\n");
- }
- close(fd);
- }
-
- xf86Msg(from, "using VT number %d\n\n", xf86Info.vtno);
-
- if (!KeepTty) {
- pid_t ppid = getppid();
- pid_t ppgid;
- ppgid = getpgid(ppid);
-
- /*
- * change to parent process group that pgid != pid so
- * that setsid() doesn't fail and we become process
- * group leader
- */
- if (setpgid(0,ppgid) < 0)
- xf86Msg(X_WARNING, "xf86OpenConsole: setpgid failed: %s\n",
- strerror(errno));
-
- /* become process group leader */
- if ((setsid() < 0))
- xf86Msg(X_WARNING, "xf86OpenConsole: setsid failed: %s\n",
- strerror(errno));
- }
-
- i=0;
+ }
+ else {
+ SYSCALL(ret = ioctl(fd, VT_OPENQRY, &xf86Info.vtno));
+ if (ret < 0)
+ FatalError("xf86OpenConsole: Cannot find a free VT: "
+ "%s\n", strerror(errno));
+ if (xf86Info.vtno == -1)
+ FatalError("xf86OpenConsole: Cannot find a free VT\n");
+ }
+ close(fd);
+ }
+
+ xf86Msg(from, "using VT number %d\n\n", xf86Info.vtno);
+
+ if (!KeepTty) {
+ pid_t ppid = getppid();
+ pid_t ppgid;
+
+ ppgid = getpgid(ppid);
+
+ /*
+ * change to parent process group that pgid != pid so
+ * that setsid() doesn't fail and we become process
+ * group leader
+ */
+ if (setpgid(0, ppgid) < 0)
+ xf86Msg(X_WARNING, "xf86OpenConsole: setpgid failed: %s\n",
+ strerror(errno));
+
+ /* become process group leader */
+ if ((setsid() < 0))
+ xf86Msg(X_WARNING, "xf86OpenConsole: setsid failed: %s\n",
+ strerror(errno));
+ }
+
+ i = 0;
while (vcs[i] != NULL) {
- snprintf(vtname, sizeof(vtname), vcs[i], xf86Info.vtno); /* /dev/tty1-64 */
- if ((xf86Info.consoleFd = open(vtname, O_RDWR|O_NDELAY, 0)) >= 0)
- break;
+ snprintf(vtname, sizeof(vtname), vcs[i], xf86Info.vtno); /* /dev/tty1-64 */
+ if ((xf86Info.consoleFd = open(vtname, O_RDWR | O_NDELAY, 0)) >= 0)
+ break;
i++;
}
- if (xf86Info.consoleFd < 0)
- FatalError("xf86OpenConsole: Cannot open virtual console"
- " %d (%s)\n", xf86Info.vtno, strerror(errno));
-
- /*
- * Linux doesn't switch to an active vt after the last close of a vt,
- * so we do this ourselves by remembering which is active now.
- */
- SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_GETSTATE, &vts));
- if (ret < 0)
- xf86Msg(X_WARNING,"xf86OpenConsole: VT_GETSTATE failed: %s\n",
- strerror(errno));
- else
- activeVT = vts.v_active;
+ if (xf86Info.consoleFd < 0)
+ FatalError("xf86OpenConsole: Cannot open virtual console"
+ " %d (%s)\n", xf86Info.vtno, strerror(errno));
+
+ /*
+ * Linux doesn't switch to an active vt after the last close of a vt,
+ * so we do this ourselves by remembering which is active now.
+ */
+ SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_GETSTATE, &vts));
+ if (ret < 0)
+ xf86Msg(X_WARNING, "xf86OpenConsole: VT_GETSTATE failed: %s\n",
+ strerror(errno));
+ else
+ activeVT = vts.v_active;
#if 0
- if (!KeepTty) {
- /*
- * Detach from the controlling tty to avoid char loss
- */
- if ((i = open("/dev/tty",O_RDWR)) >= 0) {
- SYSCALL(ioctl(i, TIOCNOTTY, 0));
- close(i);
- }
- }
+ if (!KeepTty) {
+ /*
+ * Detach from the controlling tty to avoid char loss
+ */
+ if ((i = open("/dev/tty", O_RDWR)) >= 0) {
+ SYSCALL(ioctl(i, TIOCNOTTY, 0));
+ close(i);
+ }
+ }
#endif
- if (!xf86Info.ShareVTs)
- {
+ if (!xf86Info.ShareVTs) {
struct termios nTty;
- /*
- * now get the VT. This _must_ succeed, or else fail completely.
- */
+ /*
+ * now get the VT. This _must_ succeed, or else fail completely.
+ */
switch_to(xf86Info.vtno, "xf86OpenConsole");
- SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_GETMODE, &VT));
- if (ret < 0)
- FatalError("xf86OpenConsole: VT_GETMODE failed %s\n",
- strerror(errno));
+ SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_GETMODE, &VT));
+ if (ret < 0)
+ FatalError("xf86OpenConsole: VT_GETMODE failed %s\n",
+ strerror(errno));
- signal(SIGUSR1, xf86VTRequest);
+ signal(SIGUSR1, xf86VTRequest);
- VT.mode = VT_PROCESS;
- VT.relsig = SIGUSR1;
- VT.acqsig = SIGUSR1;
+ VT.mode = VT_PROCESS;
+ VT.relsig = SIGUSR1;
+ VT.acqsig = SIGUSR1;
- SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_SETMODE, &VT));
- if (ret < 0)
- FatalError("xf86OpenConsole: VT_SETMODE VT_PROCESS failed: %s\n",
- strerror(errno));
+ SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_SETMODE, &VT));
+ if (ret < 0)
+ FatalError
+ ("xf86OpenConsole: VT_SETMODE VT_PROCESS failed: %s\n",
+ strerror(errno));
- SYSCALL(ret = ioctl(xf86Info.consoleFd, KDSETMODE, KD_GRAPHICS));
- if (ret < 0)
- FatalError("xf86OpenConsole: KDSETMODE KD_GRAPHICS failed %s\n",
- strerror(errno));
+ SYSCALL(ret = ioctl(xf86Info.consoleFd, KDSETMODE, KD_GRAPHICS));
+ if (ret < 0)
+ FatalError("xf86OpenConsole: KDSETMODE KD_GRAPHICS failed %s\n",
+ strerror(errno));
tcgetattr(xf86Info.consoleFd, &tty_attr);
- SYSCALL(ioctl(xf86Info.consoleFd, KDGKBMODE, &tty_mode));
+ SYSCALL(ioctl(xf86Info.consoleFd, KDGKBMODE, &tty_mode));
#ifdef K_OFF
- /* disable kernel special keys and buffering */
- SYSCALL(ret = ioctl(xf86Info.consoleFd, KDSKBMODE, K_OFF));
- if (ret < 0)
+ /* disable kernel special keys and buffering */
+ SYSCALL(ret = ioctl(xf86Info.consoleFd, KDSKBMODE, K_OFF));
+ if (ret < 0)
#endif
- {
- SYSCALL(ret = ioctl(xf86Info.consoleFd, KDSKBMODE, K_RAW));
- if (ret < 0)
- FatalError("xf86OpenConsole: KDSKBMODE K_RAW failed %s\n",
- strerror(errno));
+ {
+ SYSCALL(ret = ioctl(xf86Info.consoleFd, KDSKBMODE, K_RAW));
+ if (ret < 0)
+ FatalError("xf86OpenConsole: KDSKBMODE K_RAW failed %s\n",
+ strerror(errno));
- /* need to keep the buffer clean, else the kernel gets angry */
- xf86SetConsoleHandler(drain_console, NULL);
- }
+ /* need to keep the buffer clean, else the kernel gets angry */
+ xf86SetConsoleHandler(drain_console, NULL);
+ }
nTty = tty_attr;
nTty.c_iflag = (IGNPAR | IGNBRK) & (~PARMRK) & (~ISTRIP);
nTty.c_oflag = 0;
nTty.c_cflag = CREAD | CS8;
nTty.c_lflag = 0;
- nTty.c_cc[VTIME]=0;
- nTty.c_cc[VMIN]=1;
+ nTty.c_cc[VTIME] = 0;
+ nTty.c_cc[VMIN] = 1;
cfsetispeed(&nTty, 9600);
cfsetospeed(&nTty, 9600);
tcsetattr(xf86Info.consoleFd, TCSANOW, &nTty);
- /* we really should have a InitOSInputDevices() function instead
- * of Init?$#*&Device(). So I just place it here */
+ /* we really should have a InitOSInputDevices() function instead
+ * of Init?$#*&Device(). So I just place it here */
}
- } else { /* serverGeneration != 1 */
- if (!xf86Info.ShareVTs && xf86Info.autoVTSwitch)
- {
- /* now get the VT */
+ }
+ else { /* serverGeneration != 1 */
+ if (!xf86Info.ShareVTs && xf86Info.autoVTSwitch) {
+ /* now get the VT */
switch_to(xf86Info.vtno, "xf86OpenConsole");
}
}
@@ -253,7 +254,7 @@ xf86OpenConsole(void)
void
xf86CloseConsole(void)
{
- struct vt_mode VT;
+ struct vt_mode VT;
int ret;
if (xf86Info.ShareVTs) {
@@ -270,68 +271,64 @@ xf86CloseConsole(void)
/* Back to text mode ... */
SYSCALL(ret = ioctl(xf86Info.consoleFd, KDSETMODE, KD_TEXT));
if (ret < 0)
- xf86Msg(X_WARNING, "xf86CloseConsole: KDSETMODE failed: %s\n",
- strerror(errno));
+ xf86Msg(X_WARNING, "xf86CloseConsole: KDSETMODE failed: %s\n",
+ strerror(errno));
SYSCALL(ioctl(xf86Info.consoleFd, KDSKBMODE, tty_mode));
tcsetattr(xf86Info.consoleFd, TCSANOW, &tty_attr);
SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_GETMODE, &VT));
if (ret < 0)
- xf86Msg(X_WARNING, "xf86CloseConsole: VT_GETMODE failed: %s\n",
- strerror(errno));
+ xf86Msg(X_WARNING, "xf86CloseConsole: VT_GETMODE failed: %s\n",
+ strerror(errno));
else {
- /* set dflt vt handling */
- VT.mode = VT_AUTO;
- SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_SETMODE, &VT));
- if (ret < 0)
- xf86Msg(X_WARNING, "xf86CloseConsole: VT_SETMODE failed: %s\n",
- strerror(errno));
+ /* set dflt vt handling */
+ VT.mode = VT_AUTO;
+ SYSCALL(ret = ioctl(xf86Info.consoleFd, VT_SETMODE, &VT));
+ if (ret < 0)
+ xf86Msg(X_WARNING, "xf86CloseConsole: VT_SETMODE failed: %s\n",
+ strerror(errno));
}
- if (xf86Info.autoVTSwitch)
- {
+ if (xf86Info.autoVTSwitch) {
/*
* Perform a switch back to the active VT when we were started
*/
if (activeVT >= 0) {
switch_to(activeVT, "xf86CloseConsole");
- activeVT = -1;
+ activeVT = -1;
}
}
- close(xf86Info.consoleFd); /* make the vt-manager happy */
+ close(xf86Info.consoleFd); /* make the vt-manager happy */
}
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;
- }
-
- if ((argv[i][0] == 'v') && (argv[i][1] == 't'))
- {
- if (sscanf(argv[i], "vt%2d", &xf86Info.vtno) == 0)
- {
- UseMsg();
- xf86Info.vtno = -1;
- return 0;
- }
- return 1;
- }
- return 0;
+ /*
+ * 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;
+ }
+
+ if ((argv[i][0] == 'v') && (argv[i][1] == 't')) {
+ if (sscanf(argv[i], "vt%2d", &xf86Info.vtno) == 0) {
+ UseMsg();
+ xf86Info.vtno = -1;
+ return 0;
+ }
+ return 1;
+ }
+ return 0;
}
void
xf86UseMsg(void)
{
- ErrorF("vtXX use the specified VT number\n");
- ErrorF("-keeptty ");
- ErrorF("don't detach controlling tty (for debugging only)\n");
+ ErrorF("vtXX use the specified VT number\n");
+ ErrorF("-keeptty ");
+ ErrorF("don't detach controlling tty (for debugging only)\n");
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-23 22:51:43 +0000