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001: /* Copyright (C) 1991-1994,1996-1999,2003,2010 Free Software Foundation, Inc.
002:    This file is part of the GNU C Library.
003: 
004:    The GNU C Library is free software; you can redistribute it and/or
005:    modify it under the terms of the GNU Lesser General Public
006:    License as published by the Free Software Foundation; either
007:    version 2.1 of the License, or (at your option) any later version.
008: 
009:    The GNU C Library is distributed in the hope that it will be useful,
010:    but WITHOUT ANY WARRANTY; without even the implied warranty of
011:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
012:    Lesser General Public License for more details.
013: 
014:    You should have received a copy of the GNU Lesser General Public
015:    License along with the GNU C Library; if not, write to the Free
016:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
017:    02111-1307 USA.  */
018: 
019: /*
020:  *      POSIX Standard: 7.1-2 General Terminal Interface        <termios.h>
021:  */
022: 
023: #ifndef _TERMIOS_H
024: #define _TERMIOS_H      1
025: 
026: #include <features.h>
027: #if defined __USE_UNIX98 || defined __USE_XOPEN2K8
028: /* We need `pid_t'.  */
029: # include <bits/types.h>
030: # ifndef __pid_t_defined
031: typedef __pid_t pid_t;
032: #  define __pid_t_defined
033: # endif
034: #endif
035: 
036: __BEGIN_DECLS
037: 
038: /* Get the system-dependent definitions of `struct termios', `tcflag_t',
039:    `cc_t', `speed_t', and all the macros specifying the flag bits.  */
040: #include <bits/termios.h>
041: 
042: #ifdef __USE_BSD
043: /* Compare a character C to a value VAL from the `c_cc' array in a
044:    `struct termios'.  If VAL is _POSIX_VDISABLE, no character can match it.  */
045: # define CCEQ(val, c)   ((c) == (val) && (val) != _POSIX_VDISABLE)
046: #endif
047: 
048: /* Return the output baud rate stored in *TERMIOS_P.  */
049: extern speed_t cfgetospeed (__const struct termios *__termios_p) __THROW;
050: 
051: /* Return the input baud rate stored in *TERMIOS_P.  */
052: extern speed_t cfgetispeed (__const struct termios *__termios_p) __THROW;
053: 
054: /* Set the output baud rate stored in *TERMIOS_P to SPEED.  */
055: extern int cfsetospeed (struct termios *__termios_p, speed_t __speed) __THROW;
056: 
057: /* Set the input baud rate stored in *TERMIOS_P to SPEED.  */
058: extern int cfsetispeed (struct termios *__termios_p, speed_t __speed) __THROW;
059: 
060: #ifdef  __USE_BSD
061: /* Set both the input and output baud rates in *TERMIOS_OP to SPEED.  */
062: extern int cfsetspeed (struct termios *__termios_p, speed_t __speed) __THROW;
063: #endif
064: 
065: 
066: /* Put the state of FD into *TERMIOS_P.  */
067: extern int tcgetattr (int __fd, struct termios *__termios_p) __THROW;
068: 
069: /* Set the state of FD to *TERMIOS_P.
070:    Values for OPTIONAL_ACTIONS (TCSA*) are in <bits/termios.h>.  */
071: extern int tcsetattr (int __fd, int __optional_actions,
072:                       __const struct termios *__termios_p) __THROW;
073: 
074: 
075: #ifdef  __USE_BSD
076: /* Set *TERMIOS_P to indicate raw mode.  */
077: extern void cfmakeraw (struct termios *__termios_p) __THROW;
078: #endif
079: 
080: /* Send zero bits on FD.  */
081: extern int tcsendbreak (int __fd, int __duration) __THROW;
082: 
083: /* Wait for pending output to be written on FD.
084: 
085:    This function is a cancellation point and therefore not marked with
086:    __THROW.  */
087: extern int tcdrain (int __fd);
088: 
089: /* Flush pending data on FD.
090:    Values for QUEUE_SELECTOR (TC{I,O,IO}FLUSH) are in <bits/termios.h>.  */
091: extern int tcflush (int __fd, int __queue_selector) __THROW;
092: 
093: /* Suspend or restart transmission on FD.
094:    Values for ACTION (TC[IO]{OFF,ON}) are in <bits/termios.h>.  */
095: extern int tcflow (int __fd, int __action) __THROW;
096: 
097: 
098: #ifdef __USE_UNIX98
099: /* Get process group ID for session leader for controlling terminal FD.  */
100: extern __pid_t tcgetsid (int __fd) __THROW;
101: #endif
102: 
103: 
104: #ifdef __USE_BSD
105: # include <sys/ttydefaults.h>
106: #endif
107: 
108: __END_DECLS
109: 
110: #endif /* termios.h  */
111: 

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