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diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/shared/posix_tty.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/shared/posix_tty.c
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index 000000000..be3703944
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/shared/posix_tty.c
@@ -0,0 +1,689 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/shared/posix_tty.c,v 3.30 2003/08/24 17:37:06 dawes Exp $ */
+/*
+ * Copyright 1993-2003 by The XFree86 Project, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the XFree86 Project shall
+ * not be used in advertising or otherwise to promote the sale, use or other
+ * dealings in this Software without prior written authorization from the
+ * XFree86 Project.
+ */
+/*
+ *
+ * Copyright (c) 1997 Metro Link Incorporated
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the Metro Link shall not be
+ * used in advertising or otherwise to promote the sale, use or other dealings
+ * in this Software without prior written authorization from Metro Link.
+ *
+ */
+
+/* $XConsortium: posix_tty.c /main/7 1996/10/19 18:07:47 kaleb $ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <X11/X.h>
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86_OSlib.h"
+
+static int
+GetBaud (int baudrate)
+{
+#ifdef B300
+ if (baudrate == 300)
+ return B300;
+#endif
+#ifdef B1200
+ if (baudrate == 1200)
+ return B1200;
+#endif
+#ifdef B2400
+ if (baudrate == 2400)
+ return B2400;
+#endif
+#ifdef B4800
+ if (baudrate == 4800)
+ return B4800;
+#endif
+#ifdef B9600
+ if (baudrate == 9600)
+ return B9600;
+#endif
+#ifdef B19200
+ if (baudrate == 19200)
+ return B19200;
+#endif
+#ifdef B38400
+ if (baudrate == 38400)
+ return B38400;
+#endif
+#ifdef B57600
+ if (baudrate == 57600)
+ return B57600;
+#endif
+#ifdef B115200
+ if (baudrate == 115200)
+ return B115200;
+#endif
+#ifdef B230400
+ if (baudrate == 230400)
+ return B230400;
+#endif
+#ifdef B460800
+ if (baudrate == 460800)
+ return B460800;
+#endif
+ return (0);
+}
+
+int
+xf86OpenSerial (pointer options)
+{
+#ifdef Lynx
+ struct sgttyb ms_sgtty;
+#endif
+ struct termios t;
+ int fd, i;
+ char *dev;
+
+ dev = xf86SetStrOption (options, "Device", NULL);
+ if (!dev)
+ {
+ xf86Msg (X_ERROR, "xf86OpenSerial: No Device specified.\n");
+ return (-1);
+ }
+
+ SYSCALL (fd = open (dev, O_RDWR | O_NONBLOCK));
+ if (fd == -1)
+ {
+ xf86Msg (X_ERROR,
+ "xf86OpenSerial: Cannot open device %s\n\t%s.\n",
+ dev, strerror (errno));
+ xfree(dev);
+ return (-1);
+ }
+
+ if (!isatty (fd))
+ {
+#if 1
+ /* Allow non-tty devices to be opened. */
+ xfree(dev);
+ return (fd);
+#else
+ xf86Msg (X_WARNING,
+ "xf86OpenSerial: Specified device %s is not a tty\n",
+ dev);
+ SYSCALL (close (fd));
+ errno = EINVAL;
+ xfree(dev);
+ return (-1);
+#endif
+ }
+
+#ifdef Lynx
+ /* LynxOS does not assert DTR without this */
+ ioctl (fd, TIOCGETP, (char *) &ms_sgtty);
+ ioctl (fd, TIOCSDTR, (char *) &ms_sgtty);
+#endif
+
+ /* set up default port parameters */
+ SYSCALL (tcgetattr (fd, &t));
+ t.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR\
+ |IGNCR|ICRNL|IXON);
+ t.c_oflag &= ~OPOST;
+ t.c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
+ t.c_cflag &= ~(CSIZE|PARENB);
+ t.c_cflag |= CS8|CLOCAL;
+
+ cfsetispeed (&t, B9600);
+ cfsetospeed (&t, B9600);
+ t.c_cc[VMIN] = 1;
+ t.c_cc[VTIME] = 0;
+
+ SYSCALL (tcsetattr (fd, TCSANOW, &t));
+
+ if (xf86SetSerial (fd, options) == -1)
+ {
+ SYSCALL (close (fd));
+ xfree(dev);
+ return (-1);
+ }
+
+ SYSCALL (i = fcntl (fd, F_GETFL, 0));
+ if (i == -1)
+ {
+ SYSCALL (close (fd));
+ xfree(dev);
+ return (-1);
+ }
+ i &= ~O_NONBLOCK;
+ SYSCALL (i = fcntl (fd, F_SETFL, i));
+ if (i == -1)
+ {
+ SYSCALL (close (fd));
+ xfree(dev);
+ return (-1);
+ }
+ xfree(dev);
+ return (fd);
+}
+
+int
+xf86SetSerial (int fd, pointer options)
+{
+ struct termios t;
+ int val;
+ const char *s;
+ int baud, r;
+
+ if (fd < 0)
+ return -1;
+
+ /* Don't try to set parameters for non-tty devices. */
+ if (!isatty(fd))
+ return 0;
+
+ SYSCALL (tcgetattr (fd, &t));
+
+ if ((val = xf86SetIntOption (options, "BaudRate", 0)))
+ {
+ if ((baud = GetBaud (val)))
+ {
+ cfsetispeed (&t, baud);
+ cfsetospeed (&t, baud);
+ }
+ else
+ {
+ xf86Msg (X_ERROR,
+ "Invalid Option BaudRate value: %d\n", val);
+ return (-1);
+ }
+ }
+
+ if ((val = xf86SetIntOption (options, "StopBits", 0)))
+ {
+ switch (val)
+ {
+ case 1:
+ t.c_cflag &= ~(CSTOPB);
+ break;
+ case 2:
+ t.c_cflag |= CSTOPB;
+ break;
+ default:
+ xf86Msg (X_ERROR,
+ "Invalid Option StopBits value: %d\n", val);
+ return (-1);
+ break;
+ }
+ }
+
+ if ((val = xf86SetIntOption (options, "DataBits", 0)))
+ {
+ switch (val)
+ {
+ case 5:
+ t.c_cflag &= ~(CSIZE);
+ t.c_cflag |= CS5;
+ break;
+ case 6:
+ t.c_cflag &= ~(CSIZE);
+ t.c_cflag |= CS6;
+ break;
+ case 7:
+ t.c_cflag &= ~(CSIZE);
+ t.c_cflag |= CS7;
+ break;
+ case 8:
+ t.c_cflag &= ~(CSIZE);
+ t.c_cflag |= CS8;
+ break;
+ default:
+ xf86Msg (X_ERROR,
+ "Invalid Option DataBits value: %d\n", val);
+ return (-1);
+ break;
+ }
+ }
+
+ if ((s = xf86SetStrOption (options, "Parity", NULL)))
+ {
+ if (xf86NameCmp (s, "Odd") == 0)
+ {
+ t.c_cflag |= PARENB | PARODD;
+ }
+ else if (xf86NameCmp (s, "Even") == 0)
+ {
+ t.c_cflag |= PARENB;
+ t.c_cflag &= ~(PARODD);
+ }
+ else if (xf86NameCmp (s, "None") == 0)
+ {
+ t.c_cflag &= ~(PARENB);
+ }
+ else
+ {
+ xf86Msg (X_ERROR, "Invalid Option Parity value: %s\n",
+ s);
+ return (-1);
+ }
+ }
+
+ if ((val = xf86SetIntOption (options, "Vmin", -1)) != -1)
+ {
+ t.c_cc[VMIN] = val;
+ }
+ if ((val = xf86SetIntOption (options, "Vtime", -1)) != -1)
+ {
+ t.c_cc[VTIME] = val;
+ }
+
+ if ((s = xf86SetStrOption (options, "FlowControl", NULL)))
+ {
+ xf86MarkOptionUsedByName (options, "FlowControl");
+ if (xf86NameCmp (s, "Xoff") == 0)
+ {
+ t.c_iflag |= IXOFF;
+ }
+ else if (xf86NameCmp (s, "Xon") == 0)
+ {
+ t.c_iflag |= IXON;
+ }
+ else if (xf86NameCmp (s, "XonXoff") == 0)
+ {
+ t.c_iflag |= IXON|IXOFF;
+ }
+ else if (xf86NameCmp (s, "None") == 0)
+ {
+ t.c_iflag &= ~(IXON | IXOFF);
+ }
+ else
+ {
+ xf86Msg (X_ERROR,
+ "Invalid Option FlowControl value: %s\n", s);
+ return (-1);
+ }
+ }
+
+ if ((xf86SetBoolOption (options, "ClearDTR", FALSE)))
+ {
+#ifdef CLEARDTR_SUPPORT
+# if !defined(Lynx) || defined(TIOCMBIC)
+ val = TIOCM_DTR;
+ SYSCALL (ioctl(fd, TIOCMBIC, &val));
+# else
+ SYSCALL (ioctl(fd, TIOCCDTR, NULL));
+# endif
+#else
+ xf86Msg (X_WARNING,
+ "Option ClearDTR not supported on this OS\n");
+ return (-1);
+#endif
+ xf86MarkOptionUsedByName (options, "ClearDTR");
+ }
+
+ if ((xf86SetBoolOption (options, "ClearRTS", FALSE)))
+ {
+#ifdef CLEARRTS_SUPPORT
+ val = TIOCM_RTS;
+ SYSCALL (ioctl(fd, TIOCMBIC, &val));
+#else
+ xf86Msg (X_WARNING,
+ "Option ClearRTS not supported on this OS\n");
+ return (-1);
+#endif
+ xf86MarkOptionUsedByName (options, "ClearRTS");
+ }
+
+ SYSCALL (r = tcsetattr (fd, TCSANOW, &t));
+ return (r);
+}
+
+int
+xf86SetSerialSpeed (int fd, int speed)
+{
+ struct termios t;
+ int baud, r;
+
+ if (fd < 0)
+ return -1;
+
+ /* Don't try to set parameters for non-tty devices. */
+ if (!isatty(fd))
+ return 0;
+
+ SYSCALL (tcgetattr (fd, &t));
+
+ if ((baud = GetBaud (speed)))
+ {
+ cfsetispeed (&t, baud);
+ cfsetospeed (&t, baud);
+ }
+ else
+ {
+ xf86Msg (X_ERROR,
+ "Invalid Option BaudRate value: %d\n", speed);
+ return (-1);
+ }
+
+ SYSCALL (r = tcsetattr (fd, TCSANOW, &t));
+ return (r);
+}
+
+int
+xf86ReadSerial (int fd, void *buf, int count)
+{
+ int r;
+#ifdef DEBUG
+ int i;
+#endif
+ SYSCALL (r = read (fd, buf, count));
+#ifdef DEBUG
+ ErrorF("ReadingSerial: 0x%x",
+ (unsigned char)*(((unsigned char *)buf)));
+ for (i = 1; i < r; i++)
+ ErrorF(", 0x%x",(unsigned char)*(((unsigned char *)buf) + i));
+ ErrorF("\n");
+#endif
+ return (r);
+}
+
+int
+xf86WriteSerial (int fd, const void *buf, int count)
+{
+ int r;
+#ifdef DEBUG
+ int i;
+
+ ErrorF("WritingSerial: 0x%x",(unsigned char)*(((unsigned char *)buf)));
+ for (i = 1; i < count; i++)
+ ErrorF(", 0x%x",(unsigned char)*(((unsigned char *)buf) + i));
+ ErrorF("\n");
+#endif
+ SYSCALL (r = write (fd, buf, count));
+ return (r);
+}
+
+int
+xf86CloseSerial (int fd)
+{
+ int r;
+
+ SYSCALL (r = close (fd));
+ return (r);
+}
+
+int
+xf86WaitForInput (int fd, int timeout)
+{
+ fd_set readfds;
+ struct timeval to;
+ int r;
+
+ FD_ZERO(&readfds);
+
+ if (fd >= 0) {
+ FD_SET(fd, &readfds);
+ }
+
+ to.tv_sec = timeout / 1000000;
+ to.tv_usec = timeout % 1000000;
+
+ if (fd >= 0) {
+ SYSCALL (r = select (FD_SETSIZE, &readfds, NULL, NULL, &to));
+ }
+ else {
+ SYSCALL (r = select (FD_SETSIZE, NULL, NULL, NULL, &to));
+ }
+ xf86ErrorFVerb (9,"select returned %d\n", r);
+ return (r);
+}
+
+int
+xf86SerialSendBreak (int fd, int duration)
+{
+ int r;
+
+ SYSCALL (r = tcsendbreak (fd, duration));
+ return (r);
+
+}
+
+int
+xf86FlushInput(int fd)
+{
+ fd_set fds;
+ struct timeval timeout;
+ char c[4];
+
+#ifdef DEBUG
+ ErrorF("FlushingSerial\n");
+#endif
+ if (tcflush(fd, TCIFLUSH) == 0)
+ return 0;
+
+ timeout.tv_sec = 0;
+ timeout.tv_usec = 0;
+ FD_ZERO(&fds);
+ FD_SET(fd, &fds);
+ while (select(FD_SETSIZE, &fds, NULL, NULL, &timeout) > 0) {
+ if (read(fd, &c, sizeof(c)) < 1)
+ return 0;
+ FD_ZERO(&fds);
+ FD_SET(fd, &fds);
+ }
+ return 0;
+}
+
+static struct states {
+ int xf;
+ int os;
+} modemStates[] = {
+#ifdef TIOCM_LE
+ { XF86_M_LE, TIOCM_LE },
+#endif
+#ifdef TIOCM_DTR
+ { XF86_M_DTR, TIOCM_DTR },
+#endif
+#ifdef TIOCM_RTS
+ { XF86_M_RTS, TIOCM_RTS },
+#endif
+#ifdef TIOCM_ST
+ { XF86_M_ST, TIOCM_ST },
+#endif
+#ifdef TIOCM_SR
+ { XF86_M_SR, TIOCM_SR },
+#endif
+#ifdef TIOCM_CTS
+ { XF86_M_CTS, TIOCM_CTS },
+#endif
+#ifdef TIOCM_CAR
+ { XF86_M_CAR, TIOCM_CAR },
+#elif defined(TIOCM_CD)
+ { XF86_M_CAR, TIOCM_CD },
+#endif
+#ifdef TIOCM_RNG
+ { XF86_M_RNG, TIOCM_RNG },
+#elif defined(TIOCM_RI)
+ { XF86_M_CAR, TIOCM_RI },
+#endif
+#ifdef TIOCM_DSR
+ { XF86_M_DSR, TIOCM_DSR },
+#endif
+};
+
+static int numStates = sizeof(modemStates) / sizeof(modemStates[0]);
+
+static int
+xf2osState(int state)
+{
+ int i;
+ int ret = 0;
+
+ for (i = 0; i < numStates; i++)
+ if (state & modemStates[i].xf)
+ ret |= modemStates[i].os;
+ return ret;
+}
+
+static int
+os2xfState(int state)
+{
+ int i;
+ int ret = 0;
+
+ for (i = 0; i < numStates; i++)
+ if (state & modemStates[i].os)
+ ret |= modemStates[i].xf;
+ return ret;
+}
+
+static int
+getOsStateMask(void)
+{
+ int i;
+ int ret = 0;
+ for (i = 0; i < numStates; i++)
+ ret |= modemStates[i].os;
+ return ret;
+}
+
+static int osStateMask = 0;
+
+int
+xf86SetSerialModemState(int fd, int state)
+{
+ int ret;
+ int s;
+
+ if (fd < 0)
+ return -1;
+
+ /* Don't try to set parameters for non-tty devices. */
+ if (!isatty(fd))
+ return 0;
+
+#ifndef TIOCMGET
+ return -1;
+#else
+ if (!osStateMask)
+ osStateMask = getOsStateMask();
+
+ state = xf2osState(state);
+ SYSCALL((ret = ioctl(fd, TIOCMGET, &s)));
+ if (ret < 0)
+ return -1;
+ s &= ~osStateMask;
+ s |= state;
+ SYSCALL((ret = ioctl(fd, TIOCMSET, &s)));
+ if (ret < 0)
+ return -1;
+ else
+ return 0;
+#endif
+}
+
+int
+xf86GetSerialModemState(int fd)
+{
+ int ret;
+ int s;
+
+ if (fd < 0)
+ return -1;
+
+ /* Don't try to set parameters for non-tty devices. */
+ if (!isatty(fd))
+ return 0;
+
+#ifndef TIOCMGET
+ return -1;
+#else
+ SYSCALL((ret = ioctl(fd, TIOCMGET, &s)));
+ if (ret < 0)
+ return -1;
+ return os2xfState(s);
+#endif
+}
+
+int
+xf86SerialModemSetBits(int fd, int bits)
+{
+ int ret;
+ int s;
+
+ if (fd < 0)
+ return -1;
+
+ /* Don't try to set parameters for non-tty devices. */
+ if (!isatty(fd))
+ return 0;
+
+#ifndef TIOCMGET
+ return -1;
+#else
+ s = xf2osState(bits);
+ SYSCALL((ret = ioctl(fd, TIOCMBIS, &s)));
+ return ret;
+#endif
+}
+
+int
+xf86SerialModemClearBits(int fd, int bits)
+{
+ int ret;
+ int s;
+
+ if (fd < 0)
+ return -1;
+
+ /* Don't try to set parameters for non-tty devices. */
+ if (!isatty(fd))
+ return 0;
+
+#ifndef TIOCMGET
+ return -1;
+#else
+ s = xf2osState(bits);
+ SYSCALL((ret = ioctl(fd, TIOCMBIC, &s)));
+ return ret;
+#endif
+}