bsd/sys/termios.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License.  The rights granted to you under the
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /* Copyright (c) 1997 Apple Computer, Inc. All Rights Reserved */
  31 /*
  32  * Copyright (c) 1988, 1989, 1993, 1994
  33  *      The Regents of the University of California.  All rights reserved.
  34  *
  35  * Redistribution and use in source and binary forms, with or without
  36  * modification, are permitted provided that the following conditions
  37  * are met:
  38  * 1. Redistributions of source code must retain the above copyright
  39  *    notice, this list of conditions and the following disclaimer.
  40  * 2. Redistributions in binary form must reproduce the above copyright
  41  *    notice, this list of conditions and the following disclaimer in the
  42  *    documentation and/or other materials provided with the distribution.
  43  * 3. All advertising materials mentioning features or use of this software
  44  *    must display the following acknowledgement:
  45  *      This product includes software developed by the University of
  46  *      California, Berkeley and its contributors.
  47  * 4. Neither the name of the University nor the names of its contributors
  48  *    may be used to endorse or promote products derived from this software
  49  *    without specific prior written permission.
  50  *
  51  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  52  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  53  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  54  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  55  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  56  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  57  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  58  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  59  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  60  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  61  * SUCH DAMAGE.
  62  *
  63  *      @(#)termios.h   8.3 (Berkeley) 3/28/94
  64  */
  65
  66 #ifndef _SYS_TERMIOS_H_
  67 #define _SYS_TERMIOS_H_
  68
  69 #include <sys/cdefs.h>
  70
  71 /*
  72  * Special Control Characters
  73  *
  74  * Index into c_cc[] character array.
  75  *
  76  *      Name         Subscript  Enabled by
  77  */
  78 #define VEOF            0       /* ICANON */
  79 #define VEOL            1       /* ICANON */
  80 #ifndef _POSIX_C_SOURCE
  81 #define VEOL2           2       /* ICANON together with IEXTEN */
  82 #endif
  83 #define VERASE          3       /* ICANON */
  84 #ifndef _POSIX_C_SOURCE
  85 #define VWERASE         4       /* ICANON together with IEXTEN */
  86 #endif
  87 #define VKILL           5       /* ICANON */
  88 #ifndef _POSIX_C_SOURCE
  89 #define VREPRINT        6       /* ICANON together with IEXTEN */
  90 #endif
  91 /*                      7          spare 1 */
  92 #define VINTR           8       /* ISIG */
  93 #define VQUIT           9       /* ISIG */
  94 #define VSUSP           10      /* ISIG */
  95 #ifndef _POSIX_C_SOURCE
  96 #define VDSUSP          11      /* ISIG together with IEXTEN */
  97 #endif
  98 #define VSTART          12      /* IXON, IXOFF */
  99 #define VSTOP           13      /* IXON, IXOFF */
 100 #ifndef _POSIX_C_SOURCE
 101 #define VLNEXT          14      /* IEXTEN */
 102 #define VDISCARD        15      /* IEXTEN */
 103 #endif
 104 #define VMIN            16      /* !ICANON */
 105 #define VTIME           17      /* !ICANON */
 106 #ifndef _POSIX_C_SOURCE
 107 #define VSTATUS         18      /* ICANON together with IEXTEN */
 108 /*                      19         spare 2 */
 109 #endif
 110 #define NCCS            20
 111
 112 #ifndef _POSIX_VDISABLE
 113 #define _POSIX_VDISABLE 0xff
 114 #endif
 115
 116 #ifndef _POSIX_C_SOURCE
 117 #define CCEQ(val, c)    ((c) == (val) ? (val) != _POSIX_VDISABLE : 0)
 118 #endif
 119
 120 /*
 121  * Input flags - software input processing
 122  */
 123 #define IGNBRK          0x00000001      /* ignore BREAK condition */
 124 #define BRKINT          0x00000002      /* map BREAK to SIGINTR */
 125 #define IGNPAR          0x00000004      /* ignore (discard) parity errors */
 126 #define PARMRK          0x00000008      /* mark parity and framing errors */
 127 #define INPCK           0x00000010      /* enable checking of parity errors */
 128 #define ISTRIP          0x00000020      /* strip 8th bit off chars */
 129 #define INLCR           0x00000040      /* map NL into CR */
 130 #define IGNCR           0x00000080      /* ignore CR */
 131 #define ICRNL           0x00000100      /* map CR to NL (ala CRMOD) */
 132 #define IXON            0x00000200      /* enable output flow control */
 133 #define IXOFF           0x00000400      /* enable input flow control */
 134 #define IXANY           0x00000800      /* any char will restart after stop */
 135 #ifndef _POSIX_C_SOURCE
 136 #define IMAXBEL         0x00002000      /* ring bell on input queue full */
 137 #endif  /*_POSIX_C_SOURCE */
 138
 139 /*
 140  * Output flags - software output processing
 141  */
 142 #define OPOST           0x00000001      /* enable following output processing */
 143 #define ONLCR           0x00000002      /* map NL to CR-NL (ala CRMOD) */
 144 #ifndef _POSIX_C_SOURCE
 145 #define OXTABS          0x00000004      /* expand tabs to spaces */
 146 #define ONOEOT          0x00000008      /* discard EOT's (^D) on output) */
 147 #endif  /*_POSIX_C_SOURCE */
 148 /*
 149  * The following block of features is unimplemented.  Use of these flags in
 150  * programs will currently result in unexpected behaviour.
 151  *
 152  * - Begin unimplemented features
 153  */
 154 #define OCRNL           0x00000010      /* map CR to NL on output */
 155 #define ONOCR           0x00000020      /* no CR output at column 0 */
 156 #define ONLRET          0x00000040      /* NL performs CR function */
 157 #define OFILL           0x00000080      /* use fill characters for delay */
 158 #define NLDLY           0x00000300      /* \n delay */
 159 #define TABDLY          0x00000c00      /* horizontal tab delay */
 160 #define CRDLY           0x00003000      /* \r delay */
 161 #define FFDLY           0x00004000      /* form feed delay */
 162 #define BSDLY           0x00008000      /* \b delay */
 163 #define VTDLY           0x00010000      /* vertical tab delay */
 164 #define OFDEL           0x00020000      /* fill is DEL, else NUL */
 165 #if !defined(_SYS_IOCTL_COMPAT_H_) || defined(_POSIX_C_SOURCE)
 166 /*
 167  * These manifest constants have the same names as those in the header
 168  * <sys/ioctl_compat.h>, so you are not permitted to have both definitions
 169  * in scope simultaneously in the same compilation unit.  Nevertheless,
 170  * they are required to be in scope when _POSIX_C_SOURCE is requested;
 171  * this means that including the <sys/ioctl_compat.h> header before this
 172  * one whien _POSIX_C_SOURCE is in scope will result in redefintions.  We
 173  * attempt to maintain these as the same values so as to avoid this being
 174  * an outright error in most compilers.
 175  */
 176 #define         NL0     0x00000000
 177 #define         NL1     0x00000100
 178 #define         NL2     0x00000200
 179 #define         NL3     0x00000300
 180 #define         TAB0    0x00000000
 181 #define         TAB1    0x00000400
 182 #define         TAB2    0x00000800
 183 #define         TAB3    0x00000c00
 184 #define         CR0     0x00000000
 185 #define         CR1     0x00001000
 186 #define         CR2     0x00002000
 187 #define         CR3     0x00003000
 188 #define         FF0     0x00000000
 189 #define         FF1     0x00004000
 190 #define         BS0     0x00000000
 191 #define         BS1     0x00008000
 192 #define         VT0     0x00000000
 193 #define         VT1     0x00010000
 194 #endif  /* !_SYS_IOCTL_COMPAT_H_ */
 195 /*
 196  * + End unimplemented features
 197  */
 198
 199 /*
 200  * Control flags - hardware control of terminal
 201  */
 202 #ifndef _POSIX_C_SOURCE
 203 #define CIGNORE         0x00000001      /* ignore control flags */
 204 #endif
 205 #define CSIZE           0x00000300      /* character size mask */
 206 #define     CS5             0x00000000      /* 5 bits (pseudo) */
 207 #define     CS6             0x00000100      /* 6 bits */
 208 #define     CS7             0x00000200      /* 7 bits */
 209 #define     CS8             0x00000300      /* 8 bits */
 210 #define CSTOPB          0x00000400      /* send 2 stop bits */
 211 #define CREAD           0x00000800      /* enable receiver */
 212 #define PARENB          0x00001000      /* parity enable */
 213 #define PARODD          0x00002000      /* odd parity, else even */
 214 #define HUPCL           0x00004000      /* hang up on last close */
 215 #define CLOCAL          0x00008000      /* ignore modem status lines */
 216 #ifndef _POSIX_C_SOURCE
 217 #define CCTS_OFLOW      0x00010000      /* CTS flow control of output */
 218 #define CRTSCTS         (CCTS_OFLOW | CRTS_IFLOW)
 219 #define CRTS_IFLOW      0x00020000      /* RTS flow control of input */
 220 #define CDTR_IFLOW      0x00040000      /* DTR flow control of input */
 221 #define CDSR_OFLOW      0x00080000      /* DSR flow control of output */
 222 #define CCAR_OFLOW      0x00100000      /* DCD flow control of output */
 223 #define MDMBUF          0x00100000      /* old name for CCAR_OFLOW */
 224 #endif
 225
 226
 227 /*
 228  * "Local" flags - dumping ground for other state
 229  *
 230  * Warning: some flags in this structure begin with
 231  * the letter "I" and look like they belong in the
 232  * input flag.
 233  */
 234
 235 #ifndef _POSIX_C_SOURCE
 236 #define ECHOKE          0x00000001      /* visual erase for line kill */
 237 #endif  /*_POSIX_C_SOURCE */
 238 #define ECHOE           0x00000002      /* visually erase chars */
 239 #define ECHOK           0x00000004      /* echo NL after line kill */
 240 #define ECHO            0x00000008      /* enable echoing */
 241 #define ECHONL          0x00000010      /* echo NL even if ECHO is off */
 242 #ifndef _POSIX_C_SOURCE
 243 #define ECHOPRT         0x00000020      /* visual erase mode for hardcopy */
 244 #define ECHOCTL         0x00000040      /* echo control chars as ^(Char) */
 245 #endif  /*_POSIX_C_SOURCE */
 246 #define ISIG            0x00000080      /* enable signals INTR, QUIT, [D]SUSP */
 247 #define ICANON          0x00000100      /* canonicalize input lines */
 248 #ifndef _POSIX_C_SOURCE
 249 #define ALTWERASE       0x00000200      /* use alternate WERASE algorithm */
 250 #endif  /*_POSIX_C_SOURCE */
 251 #define IEXTEN          0x00000400      /* enable DISCARD and LNEXT */
 252 #define EXTPROC         0x00000800      /* external processing */
 253 #define TOSTOP          0x00400000      /* stop background jobs from output */
 254 #ifndef _POSIX_C_SOURCE
 255 #define FLUSHO          0x00800000      /* output being flushed (state) */
 256 #define NOKERNINFO      0x02000000      /* no kernel output from VSTATUS */
 257 #define PENDIN          0x20000000      /* XXX retype pending input (state) */
 258 #endif  /*_POSIX_C_SOURCE */
 259 #define NOFLSH          0x80000000      /* don't flush after interrupt */
 260
 261 typedef unsigned long   tcflag_t;
 262 typedef unsigned char   cc_t;
 263 typedef long            speed_t;        /* XXX should be unsigned long */
 264
 265 struct termios {
 266         tcflag_t        c_iflag;        /* input flags */
 267         tcflag_t        c_oflag;        /* output flags */
 268         tcflag_t        c_cflag;        /* control flags */
 269         tcflag_t        c_lflag;        /* local flags */
 270         cc_t            c_cc[NCCS];     /* control chars */
 271         speed_t         c_ispeed;       /* input speed */
 272         speed_t         c_ospeed;       /* output speed */
 273 };
 274
 275 #ifdef KERNEL
 276 typedef unsigned long long      user_tcflag_t;
 277 typedef unsigned long long      user_speed_t;
 278
 279 /*
 280  * LP64 version of struct termios.  tcflag_t and speed_t are long and must
 281  * grow when we're dealing with a 64-bit process.
 282  * WARNING - keep in sync with struct termios
 283  */
 284
 285 struct user_termios {
 286         user_tcflag_t   c_iflag;        /* input flags */
 287         user_tcflag_t   c_oflag;        /* output flags */
 288         user_tcflag_t   c_cflag;        /* control flags */
 289         user_tcflag_t   c_lflag;        /* local flags */
 290         cc_t            c_cc[NCCS];     /* control chars */
 291         user_speed_t    c_ispeed __attribute((aligned(8)));     /* input speed */
 292         user_speed_t    c_ospeed;       /* output speed */
 293 };
 294
 295 #endif  /* KERNEL */
 296
 297 /*
 298  * Commands passed to tcsetattr() for setting the termios structure.
 299  */
 300 #define TCSANOW         0               /* make change immediate */
 301 #define TCSADRAIN       1               /* drain output, then change */
 302 #define TCSAFLUSH       2               /* drain output, flush input */
 303 #ifndef _POSIX_C_SOURCE
 304 #define TCSASOFT        0x10            /* flag - don't alter h.w. state */
 305 #endif
 306
 307 /*
 308  * Standard speeds
 309  */
 310 #define B0      0
 311 #define B50     50
 312 #define B75     75
 313 #define B110    110
 314 #define B134    134
 315 #define B150    150
 316 #define B200    200
 317 #define B300    300
 318 #define B600    600
 319 #define B1200   1200
 320 #define B1800   1800
 321 #define B2400   2400
 322 #define B4800   4800
 323 #define B9600   9600
 324 #define B19200  19200
 325 #define B38400  38400
 326 #ifndef _POSIX_C_SOURCE
 327 #define B7200   7200
 328 #define B14400  14400
 329 #define B28800  28800
 330 #define B57600  57600
 331 #define B76800  76800
 332 #define B115200 115200
 333 #define B230400 230400
 334 #define EXTA    19200
 335 #define EXTB    38400
 336 #endif  /* !_POSIX_C_SOURCE */
 337
 338 #ifndef KERNEL
 339
 340 #define TCIFLUSH        1
 341 #define TCOFLUSH        2
 342 #define TCIOFLUSH       3
 343 #define TCOOFF          1
 344 #define TCOON           2
 345 #define TCIOFF          3
 346 #define TCION           4
 347
 348 #include <sys/cdefs.h>
 349
 350 __BEGIN_DECLS
 351 speed_t cfgetispeed(const struct termios *);
 352 speed_t cfgetospeed(const struct termios *);
 353 int     cfsetispeed(struct termios *, speed_t);
 354 int     cfsetospeed(struct termios *, speed_t);
 355 int     tcgetattr(int, struct termios *);
 356 int     tcsetattr(int, int, const struct termios *);
 357 int     tcdrain(int);
 358 int     tcflow(int, int);
 359 int     tcflush(int, int);
 360 int     tcsendbreak(int, int);
 361
 362 #ifndef _POSIX_C_SOURCE
 363 void    cfmakeraw(struct termios *);
 364 int     cfsetspeed(struct termios *, speed_t);
 365 #endif /* !_POSIX_C_SOURCE */
 366 __END_DECLS
 367
 368 #endif /* !KERNEL */
 369
 370 #ifndef _POSIX_C_SOURCE
 371
 372 /*
 373  * Include tty ioctl's that aren't just for backwards compatibility
 374  * with the old tty driver.  These ioctl definitions were previously
 375  * in <sys/ioctl.h>.
 376  */
 377 #include <sys/ttycom.h>
 378 #endif
 379
 380 /*
 381  * END OF PROTECTED INCLUDE.
 382  */
 383 #endif /* !_SYS_TERMIOS_H_ */
 384
 385 #ifndef _POSIX_C_SOURCE
 386 #include <sys/ttydefaults.h>
 387 #endif