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doc: improve jsshDB flock description

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Kay Marquardt (Gnadelwartz) 2020-12-29 11:27:22 +01:00
parent 2aa5c75fe0
commit d083390dcb
1 changed files with 3 additions and 3 deletions
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doc/6_reference.md
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@ -609,12 +609,12 @@ Slow functions:
A jssh fileDB consists of two files and must reside inside `BASHBOT_ETC` or `BASHBOT_DATA`.
- `filename.jssh` is the file containing the key/value pairs in json.sh format.
- `filename.jssh` is the file containing the key/value pairs in JSON.sh format.
- `filename.jssh.flock` is used to provide read/write locking with flock
Path names containing `..` or not located in `BASHBOT_ETC` or `BASHBOT_DATA` are refused by jsshDB functions with an error.
jsshDB functions use file locking with flock if flock is available. Write/update operations are serialised to wait until
jsshDB functions use file locking if `flock is available, read/write operations are serialised to wait until
previous operations are finished, see "man flock". To avoid deadlocks bashbot use a timeout of 10s for write and 5s for read operations.
For every `jssh_...DB` function a `jsshj_...DB_async` function exists also. In case don't want locking, use `jssh_...DB_async` functions.
@ -1146,5 +1146,5 @@ The name of your bot is available as bash variable "$ME", there is no need to ca
#### [Prev Best Practice](5_practice.md)
#### [Next Notes for Developers](7_develop.md)
#### $$VERSION$$ v1.21-dev-31-gfee0615
#### $$VERSION$$ v1.21-dev-32-g2aa5c75