1 /* Copyright (C) 1991-1994,1996-1999,2003,2010 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, write to the Free 16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 02111-1307 USA. */ 18 19 /* 20 * POSIX Standard: 7.1-2 General Terminal Interface <termios.h> 21 */ 22 23 #ifndef _TERMIOS_H 24 #define _TERMIOS_H 1 25 26 #include <features.h> 27 #if defined __USE_UNIX98 || defined __USE_XOPEN2K8 28 /* We need `pid_t'. */ 29 # include <bits/types.h> 30 # ifndef __pid_t_defined 31 typedef __pid_t pid_t; 32 # define __pid_t_defined 33 # endif 34 #endif 35 36 __BEGIN_DECLS 37 38 /* Get the system-dependent definitions of `struct termios', `tcflag_t', 39 `cc_t', `speed_t', and all the macros specifying the flag bits. */ 40 #include <bits/termios.h> 41 42 #ifdef __USE_BSD 43 /* Compare a character C to a value VAL from the `c_cc' array in a 44 `struct termios'. If VAL is _POSIX_VDISABLE, no character can match it. */ 45 # define CCEQ(val, c) ((c) == (val) && (val) != _POSIX_VDISABLE) 46 #endif 47 48 /* Return the output baud rate stored in *TERMIOS_P. */ 49 extern speed_t cfgetospeed (__const struct termios *__termios_p) __THROW; 50 51 /* Return the input baud rate stored in *TERMIOS_P. */ 52 extern speed_t cfgetispeed (__const struct termios *__termios_p) __THROW; 53 54 /* Set the output baud rate stored in *TERMIOS_P to SPEED. */ 55 extern int cfsetospeed (struct termios *__termios_p, speed_t __speed) __THROW; 56 57 /* Set the input baud rate stored in *TERMIOS_P to SPEED. */ 58 extern int cfsetispeed (struct termios *__termios_p, speed_t __speed) __THROW; 59 60 #ifdef __USE_BSD 61 /* Set both the input and output baud rates in *TERMIOS_OP to SPEED. */ 62 extern int cfsetspeed (struct termios *__termios_p, speed_t __speed) __THROW; 63 #endif 64 65 66 /* Put the state of FD into *TERMIOS_P. */ 67 extern int tcgetattr (int __fd, struct termios *__termios_p) __THROW; 68 69 /* Set the state of FD to *TERMIOS_P. 70 Values for OPTIONAL_ACTIONS (TCSA*) are in <bits/termios.h>. */ 71 extern int tcsetattr (int __fd, int __optional_actions, 72 __const struct termios *__termios_p) __THROW; 73 74 75 #ifdef __USE_BSD 76 /* Set *TERMIOS_P to indicate raw mode. */ 77 extern void cfmakeraw (struct termios *__termios_p) __THROW; 78 #endif 79 80 /* Send zero bits on FD. */ 81 extern int tcsendbreak (int __fd, int __duration) __THROW; 82 83 /* Wait for pending output to be written on FD. 84 85 This function is a cancellation point and therefore not marked with 86 __THROW. */ 87 extern int tcdrain (int __fd); 88 89 /* Flush pending data on FD. 90 Values for QUEUE_SELECTOR (TC{I,O,IO}FLUSH) are in <bits/termios.h>. */ 91 extern int tcflush (int __fd, int __queue_selector) __THROW; 92 93 /* Suspend or restart transmission on FD. 94 Values for ACTION (TC[IO]{OFF,ON}) are in <bits/termios.h>. */ 95 extern int tcflow (int __fd, int __action) __THROW; 96 97 98 #ifdef __USE_UNIX98 99 /* 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
