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Diffstat (limited to 'docs/fs.md')
| -rw-r--r-- | docs/fs.md | 12 |
1 files changed, 10 insertions, 2 deletions
@@ -819,9 +819,17 @@ nothing empties it rather than leave the last rows), while a plain word's `LookWord list` search keeps a pane a pattern, ENOSPC for no room or slot, EBUSY for a held lock) -- and logs its reason exactly once, as `err <serial|-> <file>: <why>`, with no `msg` for it. A builtin a click runs (Save, get's -`Modified`, Tty with no room, Edit) is no exception. What is not a +`Modified`, Tty with no room, Edit) is no exception. The rule is a write's: +a refused open or truncation -- an OTRUNC open, such as `data`'s after a +failed `addr` --, create or remove answers its error and +logs no `err`, and so do a write to `pane/new` (`permission denied`: it is +only read) and a write on a fid opened OREAD (`bad use of fid`). Every +refusal is said in words, Plan 9's where pardes has none of its own +(`permission denied`, `file does not exist`, `bad argument`), never a C +library string such as `Operation not permitted`. What is not a failure: a look that finds nothing answers nothing and logs one `err` -(`look: no match for ...`, the same miss again counted, `(x2)`, as any +(`look: no match for ...`, quoting what was written in every form -- +`no match for "zzq:#3"`, `no match for "zzq:2"` -- the same miss again counted, `(x2)`, as any repeated `err` is), the write succeeding; and a command line run in a command pane ends in its own time, told by its `exit` record. |