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Diffstat (limited to 'docs')
| -rw-r--r-- | docs/fs.md | 5 |
1 files changed, 3 insertions, 2 deletions
@@ -818,8 +818,9 @@ terminal (a REPL, `less`) takes none: write to `pty/data` for it -- which is also when the third field of `pty/status` reads 1. `pty/status` is one line, three right-aligned fields and a newline: the pty's columns and rows, then busy (0 or 1). The size, and `pty/ctl`'s `winsize` read back, is -what `winsize C R` last set, until the pane itself resizes and gives the pty -its grid again. A line written +what `winsize C R` last set (R of 1 is taken as 2: a one-row pty loses +its prompt's mark and would read busy for ever), until the pane itself +resizes and gives the pty its grid again. A line written before a new terminal's shell has drawn its first prompt is not busy: it waits for that prompt (a respawn meanwhile keeps it waiting for the new shell's) and is sent then, so the first command a script gives a fresh |