f39b0856fe
Bug: https://issuetracker.google.com/146886722 (where the difference was noticed) Bug: http://b/69816452 (most recent fixes) Test: treehugger Change-Id: I487399c44f63ba276ccde74bf0c4a01e4cd4f4bf
154 lines
5.2 KiB
C
154 lines
5.2 KiB
C
/*
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* Copyright (C) 2008 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#pragma once
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/**
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* @file termios.h
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* @brief General terminal interfaces.
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*/
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#include <sys/cdefs.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <linux/termios.h>
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__BEGIN_DECLS
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#if __ANDROID_API__ >= 28
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// This file is implemented as static inlines before API level 28.
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// Strictly these functions were introduced in API level 21, but there were bugs
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// in cfmakeraw() and cfsetspeed() until 28.
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/**
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* [cfgetispeed(3)](http://man7.org/linux/man-pages/man3/cfgetispeed.3.html)
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* returns the terminal input baud rate.
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*/
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speed_t cfgetispeed(const struct termios* __t) __INTRODUCED_IN(21);
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/**
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* [cfgetospeed(3)](http://man7.org/linux/man-pages/man3/cfgetospeed.3.html)
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* returns the terminal output baud rate.
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*/
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speed_t cfgetospeed(const struct termios* __t) __INTRODUCED_IN(21);
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/**
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* [cfmakeraw(3)](http://man7.org/linux/man-pages/man3/cfmakeraw.3.html)
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* configures the terminal for "raw" mode.
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*/
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void cfmakeraw(struct termios* __t) __INTRODUCED_IN(21);
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/**
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* [cfsetspeed(3)](http://man7.org/linux/man-pages/man3/cfsetspeed.3.html)
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* sets the terminal input and output baud rate.
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*
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* Returns 0 on success and returns -1 and sets `errno` on failure.
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*/
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int cfsetspeed(struct termios* __t, speed_t __speed) __INTRODUCED_IN(21);
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/**
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* [cfsetispeed(3)](http://man7.org/linux/man-pages/man3/cfsetispeed.3.html)
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* sets the terminal input baud rate.
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*
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* Returns 0 on success and returns -1 and sets `errno` on failure.
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*/
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int cfsetispeed(struct termios* __t, speed_t __speed) __INTRODUCED_IN(21);
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/**
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* [cfsetospeed(3)](http://man7.org/linux/man-pages/man3/cfsetospeed.3.html)
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* sets the terminal output baud rate.
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*
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* Returns 0 on success and returns -1 and sets `errno` on failure.
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*/
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int cfsetospeed(struct termios* __t, speed_t __speed) __INTRODUCED_IN(21);
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/**
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* [tcdrain(3)](http://man7.org/linux/man-pages/man3/tcdrain.3.html)
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* waits until all output has been written.
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*
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* Returns 0 on success and returns -1 and sets `errno` on failure.
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*/
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int tcdrain(int __fd) __INTRODUCED_IN(21);
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/**
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* [tcflow(3)](http://man7.org/linux/man-pages/man3/tcflow.3.html)
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* suspends (`TCOOFF`) or resumes (`TCOON`) output, or transmits a
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* stop (`TCIOFF`) or start (`TCION`) to suspend or resume input.
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*
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* Returns 0 on success and returns -1 and sets `errno` on failure.
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*/
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int tcflow(int __fd, int __action) __INTRODUCED_IN(21);
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/**
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* [tcflush(3)](http://man7.org/linux/man-pages/man3/tcflush.3.html)
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* discards pending input (`TCIFLUSH`), output (`TCOFLUSH`), or
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* both (`TCIOFLUSH`). (In `<stdio.h>` terminology, this is a purge rather
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* than a flush.)
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*
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* Returns 0 on success and returns -1 and sets `errno` on failure.
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*/
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int tcflush(int __fd, int __queue) __INTRODUCED_IN(21);
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/**
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* [tcgetattr(3)](http://man7.org/linux/man-pages/man3/tcgetattr.3.html)
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* reads the configuration of the given terminal.
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*
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* Returns 0 on success and returns -1 and sets `errno` on failure.
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*/
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int tcgetattr(int __fd, struct termios* __t) __INTRODUCED_IN(21);
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/**
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* [tcgetsid(3)](http://man7.org/linux/man-pages/man3/tcgetsid.3.html)
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* returns the session id corresponding to the given fd.
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*
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* Returns a non-negative session id on success and
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* returns -1 and sets `errno` on failure.
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*/
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pid_t tcgetsid(int __fd) __INTRODUCED_IN(21);
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/**
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* [tcsendbreak(3)](http://man7.org/linux/man-pages/man3/tcsendbreak.3.html)
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* sends a break.
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*
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* Returns 0 on success and returns -1 and sets `errno` on failure.
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*/
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int tcsendbreak(int __fd, int __duration) __INTRODUCED_IN(21);
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/**
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* [tcsetattr(3)](http://man7.org/linux/man-pages/man3/tcsetattr.3.html)
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* writes the configuration of the given terminal.
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*
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* Returns 0 on success and returns -1 and sets `errno` on failure.
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*/
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int tcsetattr(int __fd, int __optional_actions, const struct termios* __t) __INTRODUCED_IN(21);
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#endif
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__END_DECLS
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#include <android/legacy_termios_inlines.h>
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