zellij-org/zellij · error

could not find raw file descriptor

Error message

could not find raw file descriptor

What it means

Error "could not find raw file descriptor" thrown in zellij-org/zellij.

Source

Thrown at zellij-server/src/os_input_output_unix.rs:397

                    .non_fatal();
            },
        }
        Ok(())
    }

    pub fn write_to_tty_stdin(&self, terminal_id: u32, buf: &[u8]) -> Result<usize> {
        let err_context = || format!("failed to write to stdin of TTY ID {}", terminal_id);

        let fd = match self
            .terminal_id_to_raw_fd
            .lock()
            .to_anyhow()
            .with_context(err_context)?
            .get(&terminal_id)
        {
            Some(Some(fd)) => *fd,
            _ => {
                return Err(anyhow!("could not find raw file descriptor")).with_context(err_context)
            },
        };

        try_write_to_fd(fd, buf).with_context(err_context)
    }

    pub fn tcdrain(&self, terminal_id: u32) -> Result<()> {
        let err_context = || format!("failed to tcdrain to TTY ID {}", terminal_id);

        match self
            .terminal_id_to_raw_fd
            .lock()
            .to_anyhow()
            .with_context(err_context)?
            .get(&terminal_id)
        {
            Some(Some(fd)) => {
                termios::tcdrain(unsafe { BorrowedFd::borrow_raw(*fd) }).with_context(err_context)

View on GitHub (pinned to 98a0837077)

When it happens

Trigger: Thrown at zellij-server/src/os_input_output_unix.rs:397 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of zellij-org/zellij@98a0837077 (2026-08-16). Data as JSON: /api/errors/67a70af7cdb91826. Report an issue: GitHub.