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utils/pty: add streaming spawn and terminal sizing primitives (#13695)

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Enhance pty utils:
* Support closing stdin
* Separate stderr and stdout streams to allow consumers differentiate them
* Provide compatibility helper to merge both streams back into combined one
* Support specifying terminal size for pty, including on-demand resizes while process is already running
* Support terminating the process while still consuming its outputs
This commit is contained in:
Ruslan Nigmatullin
2026-03-06 15:13:12 -08:00
committed by GitHub
parent 4e68fb96e2
commit 5b04cc657f
10 changed files with 316 additions and 104 deletions
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8
codex-rs/utils/pty/src/lib.rs
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@@ -7,14 +7,20 @@ mod tests;
#[cfg(windows)]
mod win;
pub const DEFAULT_OUTPUT_BYTES_CAP: usize = 1024 * 1024;
/// Spawn a non-interactive process using regular pipes for stdin/stdout/stderr.
pub use pipe::spawn_process as spawn_pipe_process;
/// Spawn a non-interactive process using regular pipes, but close stdin immediately.
pub use pipe::spawn_process_no_stdin as spawn_pipe_process_no_stdin;
/// Combine stdout/stderr receivers into a single broadcast receiver.
pub use process::combine_output_receivers;
/// Handle for interacting with a spawned process (PTY or pipe).
pub use process::ProcessHandle;
/// Bundle of process handles plus output and exit receivers returned by spawn helpers.
/// Bundle of process handles plus split output and exit receivers returned by spawn helpers.
pub use process::SpawnedProcess;
/// Terminal size in character cells used for PTY spawn and resize operations.
pub use process::TerminalSize;
/// Backwards-compatible alias for ProcessHandle.
pub type ExecCommandSession = ProcessHandle;
/// Backwards-compatible alias for SpawnedProcess.