1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _ANDROID_LEGACY_TERMIOS_INLINES_H_ 30 #define _ANDROID_LEGACY_TERMIOS_INLINES_H_ 31 32 #include <linux/termios.h> 33 #include <sys/cdefs.h> 34 #include <sys/ioctl.h> 35 #include <sys/types.h> 36 37 __BEGIN_DECLS 38 39 static __inline int tcgetattr(int fd, struct termios *s) { 40 return ioctl(fd, TCGETS, s); 41 } 42 43 static __inline int tcsetattr(int fd, int __opt, const struct termios *s) { 44 return ioctl(fd, __opt, (void *)s); 45 } 46 47 static __inline int tcflow(int fd, int action) { 48 return ioctl(fd, TCXONC, (void *)(intptr_t)action); 49 } 50 51 static __inline int tcflush(int fd, int __queue) { 52 return ioctl(fd, TCFLSH, (void *)(intptr_t)__queue); 53 } 54 55 static __inline pid_t tcgetsid(int fd) { 56 pid_t _pid; 57 return ioctl(fd, TIOCGSID, &_pid) ? (pid_t)-1 : _pid; 58 } 59 60 static __inline int tcsendbreak(int fd, int __duration) { 61 return ioctl(fd, TCSBRKP, (void *)(uintptr_t)__duration); 62 } 63 64 static __inline speed_t cfgetospeed(const struct termios *s) { 65 return (speed_t)(s->c_cflag & CBAUD); 66 } 67 68 static __inline int cfsetospeed(struct termios *s, speed_t speed) { 69 s->c_cflag = (s->c_cflag & ~CBAUD) | (speed & CBAUD); 70 return 0; 71 } 72 73 static __inline speed_t cfgetispeed(const struct termios *s) { 74 return (speed_t)(s->c_cflag & CBAUD); 75 } 76 77 static __inline int cfsetispeed(struct termios *s, speed_t speed) { 78 s->c_cflag = (s->c_cflag & ~CBAUD) | (speed & CBAUD); 79 return 0; 80 } 81 82 static __inline void cfmakeraw(struct termios *s) { 83 s->c_iflag &= 84 ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON); 85 s->c_oflag &= ~OPOST; 86 s->c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN); 87 s->c_cflag &= ~(CSIZE | PARENB); 88 s->c_cflag |= CS8; 89 } 90 91 __END_DECLS 92 93 #endif /* _ANDROID_LEGACY_TERMIOS_INLINES_H_ */ 94