diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/fs.md | 6 |
1 files changed, 5 insertions, 1 deletions
@@ -563,7 +563,11 @@ command whose end mark carried no status, which is not a success; `error out of memory` is an answer that could not be made. The header is always the whole first line. It reads `busy` at once when a command is running or text is typed at the prompt, -which is also when the third field of `pty/status` reads 1. A line written +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 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 |