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Merge branch 'termios-iflag-docs' into 'master'

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add descriptions to termios iflags

See merge request redox-os/relibc!1528
This commit is contained in:
Jeremy Soller
2026-07-06 12:16:41 -06:00
parent 52bb3bbfe3 ff37890ea2
commit 4910ce92b7
4 changed files with 59 additions and 44 deletions
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src/header/termios/constants.rs
+39
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@@ -0,0 +1,39 @@
// These constants have values shared between Redox and Linux.
/* c_cc { */
/// Non-POSIX, see <https://www.man7.org/linux/man-pages/man3/termios.3.html>.
///
/// SWTCH character (not supported under Linux).
/// Used in System V to switch shells in `shell layers`, a predecessor to shell
/// job control.
pub const VSWTCH: usize = 7;
/// SUSP character.
/// Send `SIGTSTP` signal.
/// Canonical and Non-Canonical mode.
pub const VSUSP: usize = 10;
/// Size of the array `c_cc` for control characters.
pub const NCCS: usize = 32;
/* } c_cc */
/* c_iflag { */
/// Ignore break condition.
pub const IGNBRK: usize = 0o000_001;
/// Signal interrupt on break.
pub const BRKINT: usize = 0o000_002;
/// Ignore characters with parity errors.
pub const IGNPAR: usize = 0o000_004;
/// Mark parity errors.
pub const PARMRK: usize = 0o000_010;
/// Enable input parity check.
pub const INPCK: usize = 0o000_020;
/// Strip character.
pub const ISTRIP: usize = 0o000_040;
/// Map NL to CR on input.
pub const INLCR: usize = 0o000_100;
/// Ignore CR.
pub const IGNCR: usize = 0o000_200;
/// Map CR to NL on input.
pub const ICRNL: usize = 0o000_400;
/// Enable any character to restart output.
pub const IXANY: usize = 0o004_000;
/* } c_iflag */
src/header/termios/linux.rs
+15 -22
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@@ -29,12 +29,6 @@ pub const VTIME: usize = 5;
/// Minimum number of characters for noncanonical read.
/// Non-Canonical mode only.
pub const VMIN: usize = 6;
/// Non-POSIX, see <https://www.man7.org/linux/man-pages/man3/termios.3.html>.
///
/// SWTCH character (not supported under Linux).
/// Used in System V to switch shells in `shell layers`, a predecessor to shell
/// job control.
pub const VSWTCH: usize = 7;
/// START character.
/// Restarts output stopped by the STOP character.
/// Canonical and Non-Canonical mode.
@@ -43,10 +37,6 @@ pub const VSTART: usize = 8;
/// Stops the output until the START character is typed.
/// Canonical and Non-Canonical mode.
pub const VSTOP: usize = 9;
/// SUSP character.
/// Send `SIGTSTP` signal.
/// Canonical and Non-Canonical mode.
pub const VSUSP: usize = 10;
/// EOL character.
/// Additional end-of-line character.
/// Canonical mode only.
@@ -77,25 +67,28 @@ pub const VLNEXT: usize = 15;
/// EOL2 character.
/// Another end-of-line character.
pub const VEOL2: usize = 16;
/// Size of the array `c_cc` for control characters.
pub const NCCS: usize = 32;
/* } c_cc */
/* c_iflag { */
pub const IGNBRK: usize = 0o000_001;
pub const BRKINT: usize = 0o000_002;
pub const IGNPAR: usize = 0o000_004;
pub const PARMRK: usize = 0o000_010;
pub const INPCK: usize = 0o000_020;
pub const ISTRIP: usize = 0o000_040;
pub const INLCR: usize = 0o000_100;
pub const IGNCR: usize = 0o000_200;
pub const ICRNL: usize = 0o000_400;
/// Non-POSIX, see <https://www.man7.org/linux/man-pages/man3/termios.3.html>.
///
/// Map uppercase characters to lowercase on input.
pub const IUCLC: usize = 0o001_000;
/// Enable start/stop output control.
pub const IXON: usize = 0o002_000;
pub const IXANY: usize = 0o004_000;
/// Enable start/stop input control.
pub const IXOFF: usize = 0o010_000;
/// Non-POSIX, see <https://www.man7.org/linux/man-pages/man3/termios.3.html>.
///
/// Ring bell when input queue is full.
///
/// # Implemetation
/// Linux acts as if this is always set.
pub const IMAXBEL: usize = 0o020_000;
/// Non-POSIX, see <https://www.man7.org/linux/man-pages/man3/termios.3.html>.
///
/// Input is UTF8; this allows character-erase to be correctly performed in
/// cooked mode.
pub const IUTF8: usize = 0o040_000;
/* } c_iflag */
src/header/termios/mod.rs
+3
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@@ -14,6 +14,9 @@ pub use crate::header::bits_winsize::winsize;
pub use self::sys::*;
pub mod constants;
pub use constants::*;
#[cfg(target_os = "linux")]
#[path = "linux.rs"]
pub mod sys;
src/header/termios/redox.rs
+2 -22
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@@ -32,12 +32,6 @@ pub const VKILL: usize = 5;
/// REPRINT character.
/// Reprints unread characters.
pub const VREPRINT: usize = 6;
/// Non-POSIX, see <https://www.man7.org/linux/man-pages/man3/termios.3.html>.
///
/// SWTCH character (not supported under Linux).
/// Used in System V to switch shells in `shell layers`, a predecessor to shell
/// job control.
pub const VSWTCH: usize = 7;
/// INTR character.
/// Send a `SIGINT` signal.
/// Canonical and Non-Canonical mode.
@@ -46,10 +40,6 @@ pub const VINTR: usize = 8;
/// Send a `SIGQUIT` signal.
/// Canonical and Non-Canonical mode.
pub const VQUIT: usize = 9;
/// SUSP character.
/// Send `SIGTSTP` signal.
/// Canonical and Non-Canonical mode.
pub const VSUSP: usize = 10;
/// START character.
/// Restarts output stopped by the STOP character.
/// Canonical and Non-Canonical mode.
@@ -77,23 +67,13 @@ pub const VMIN: usize = 16;
/// Timeout in decideconds for noncanonical read.
/// Non-Canonical mode only.
pub const VTIME: usize = 17;
/// Size of the array `c_cc` for control characters.
pub const NCCS: usize = 32;
/* } c_cc */
/* c_iflag { */
pub const IGNBRK: usize = 0o000_001;
pub const BRKINT: usize = 0o000_002;
pub const IGNPAR: usize = 0o000_004;
pub const PARMRK: usize = 0o000_010;
pub const INPCK: usize = 0o000_020;
pub const ISTRIP: usize = 0o000_040;
pub const INLCR: usize = 0o000_100;
pub const IGNCR: usize = 0o000_200;
pub const ICRNL: usize = 0o000_400;
/// Enable start/stop output control.
pub const IXON: usize = 0o001_000;
/// Enable start/stop input control.
pub const IXOFF: usize = 0o002_000;
pub const IXANY: usize = 0o004_000;
/* } c_iflag */
/* c_oflag { */