* include/sys/termios.h: Define TIOCMBIS and TIOCMBIC.

	* fhandler.h (class fhandler_serial): Declare switch_modem_lines.
	* fhandler_serial.cc (fhandler_serial::switch_modem_lines): New
	static function to set or clear DTR and/or RTS.
	(fhandler_serial::ioctl): Use switch_modem_lines for TIOCMSET
	and new TIOCMBIS and TIOCMBIC.
	* include/cygwin/version.h: Bump API minor number.

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 0b477b5..a8eec0f 100644 (file)
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,13 @@
+2005-08-02  Yitzchak Scott-Thoennes  <sthoenna@efn.org>
+
+       * include/sys/termios.h: Define TIOCMBIS and TIOCMBIC.
+       * fhandler.h (class fhandler_serial): Declare switch_modem_lines.
+       * fhandler_serial.cc (fhandler_serial::switch_modem_lines): New
+       static function to set or clear DTR and/or RTS.
+       (fhandler_serial::ioctl): Use switch_modem_lines for TIOCMSET
+       and new TIOCMBIS and TIOCMBIC.
+       * include/cygwin/version.h: Bump API minor number.
+
 2005-07-29  Christopher Faylor  <cgf@timesys.com>
 
        * fhandler_disk_file.cc (fhandler_base::pread): Don't move file offset

diff --git a/winsup/cygwin/fhandler.h b/winsup/cygwin/fhandler.h
index 9c0c45e..6b698fa 100644 (file)
--- a/winsup/cygwin/fhandler.h
+++ b/winsup/cygwin/fhandler.h
@@ -722,6 +722,7 @@ class fhandler_serial: public fhandler_base
   int tcdrain ();
   int tcflow (int);
   int ioctl (unsigned int cmd, void *);
+  int switch_modem_lines (int set, int clr);
   int tcsetattr (int a, const struct termios *t);
   int tcgetattr (struct termios *t);
   _off64_t lseek (_off64_t, int) { return 0; }

diff --git a/winsup/cygwin/fhandler_serial.cc b/winsup/cygwin/fhandler_serial.cc
index 3c6a3bc..3910ee9 100644 (file)
--- a/winsup/cygwin/fhandler_serial.cc
+++ b/winsup/cygwin/fhandler_serial.cc
@@ -376,6 +376,56 @@ fhandler_serial::tcflow (int action)
 }
 
 
+/* switch_modem_lines: set or clear RTS and/or DTR */
+int
+fhandler_serial::switch_modem_lines (int set, int clr)
+{
+  int res = 0;
+
+  if (set & TIOCM_RTS)
+    {
+      if (EscapeCommFunction (get_handle (), SETRTS))
+        rts = TIOCM_RTS;
+      else
+        {
+          __seterrno ();
+          res = -1;
+        }
+    }
+  else if (clr & TIOCM_RTS)
+    {
+      if (EscapeCommFunction (get_handle (), CLRRTS))
+        rts = 0;
+      else
+        {
+          __seterrno ();
+          res = -1;
+        }
+    }
+  if (set & TIOCM_DTR)
+    {
+      if (EscapeCommFunction (get_handle (), SETDTR))
+        rts = TIOCM_DTR;
+      else
+        {
+          __seterrno ();
+          res = -1;
+        }
+    }
+  else if (clr & TIOCM_DTR)
+    {
+      if (EscapeCommFunction (get_handle (), CLRDTR))
+        rts = 0;
+      else
+        {
+          __seterrno ();
+          res = -1;
+        }
+    }
+
+  return res;
+}
+
 /* ioctl: */
 int
 fhandler_serial::ioctl (unsigned int cmd, void *buffer)
@@ -432,44 +482,17 @@ fhandler_serial::ioctl (unsigned int cmd, void *buffer)
          }
        break;
       case TIOCMSET:
-       if (ipbuffer & TIOCM_RTS)
-         {
-           if (EscapeCommFunction (get_handle (), SETRTS))
-             rts = TIOCM_RTS;
-           else
-             {
-               __seterrno ();
-               res = -1;
-             }
-         }
-       else
-         {
-           if (EscapeCommFunction (get_handle (), CLRRTS))
-             rts = 0;
-           else
-             {
-               __seterrno ();
-               res = -1;
-             }
-         }
-       if (ipbuffer & TIOCM_DTR)
-         {
-           if (EscapeCommFunction (get_handle (), SETDTR))
-             dtr = TIOCM_DTR;
-           else
-             {
-               __seterrno ();
-               res = -1;
-             }
-         }
-       else if (EscapeCommFunction (get_handle (), CLRDTR))
-         dtr = 0;
-       else
-         {
-           __seterrno ();
-           res = -1;
-         }
+        if (switch_modem_lines (ipbuffer, ~ipbuffer))
+          res = -1;
        break;
+      case TIOCMBIS:
+       if (switch_modem_lines (ipbuffer, 0))
+          res = -1;
+        break;
+      case TIOCMBIC:
+       if (switch_modem_lines (0, ipbuffer))
+          res = -1;
+        break;
       case TIOCCBRK:
        if (ClearCommBreak (get_handle ()) == 0)
          {

diff --git a/winsup/cygwin/include/cygwin/version.h b/winsup/cygwin/include/cygwin/version.h
index 477195f..7e823cd 100644 (file)
--- a/winsup/cygwin/include/cygwin/version.h
+++ b/winsup/cygwin/include/cygwin/version.h
@@ -262,12 +262,13 @@ details. */
       133: Export __getline, __getdelim.
       134: Export getline, getdelim.
       135: Export pread, pwrite
+      136: Add TIOCMBIS/TIOCMBIC ioctl codes.
      */
 
      /* Note that we forgot to bump the api for ualarm, strtoll, strtoull */
 
 #define CYGWIN_VERSION_API_MAJOR 0
-#define CYGWIN_VERSION_API_MINOR 135
+#define CYGWIN_VERSION_API_MINOR 136
 
      /* There is also a compatibity version number associated with the
        shared memory regions.  It is incremented when incompatible

diff --git a/winsup/cygwin/include/sys/termios.h b/winsup/cygwin/include/sys/termios.h
index 926e11e..589c91a 100644 (file)
--- a/winsup/cygwin/include/sys/termios.h
+++ b/winsup/cygwin/include/sys/termios.h
@@ -1,6 +1,6 @@
 /* sys/termios.h
 
-   Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003 Red Hat, Inc.
+   Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005 Red Hat, Inc.
 
 This file is part of Cygwin.
 
@@ -14,6 +14,8 @@ details. */
 #define _SYS_TERMIOS_H
 
 #define        TIOCMGET        0x5415
+#define        TIOCMBIS        0x5416
+#define        TIOCMBIC        0x5417
 #define        TIOCMSET        0x5418
 #define        TIOCINQ         0x541B