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Diffstat (limited to 'docs')
| -rw-r--r-- | docs/fs.md | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -156,7 +156,10 @@ effect, as acme's ctl does. Blank lines are skipped. A mount cuts a big write into pieces of at most one message (msize 64 KiB, 65536 negotiated, less the header), and each line runs once it is whole. A write that does not fill its message is -whole, so its last line runs even without a newline (`printf Save > exec`). An `Edit` whose `{` or +whole, so its last line runs even without a newline (`printf Save > exec`), +unless it is a multiple of 4096 bytes: that is where a writer's buffer (stdio, +a mount's page cache) filled and cut a line, so its tail waits for the next +write or the close. An `Edit` whose `{` or `a`/`c`/`i` text is still open waits for the next write on that open, and fails at the close if it never ends (``unmatched `{'``). A line held past 1 MiB is refused. |