package octez-libs
A package that contains multiple base libraries used by the Octez suite
Install
Dune Dependency
Authors
Maintainers
Sources
tezos-18.1.tar.gz
sha256=aa2f5bc99cc4ca2217c52a1af2a2cdfd3b383208cb859ca2e79ca0903396ca1d
sha512=d68bb3eb615e3dcccc845fddfc9901c95b3c6dc8e105e39522ce97637b1308a7fa7aa1d271351d5933febd7476b2819e1694f31198f1f0919681f1f9cc97cb3a
doc/octez-libs.stdlib-unix/Tezos_stdlib_unix/Lwt_lock_file/index.html
Module Tezos_stdlib_unix.Lwt_lock_fileSource
Simple abstraction over Unix lockfiles
Source
val try_with_lock :
when_locked:(unit -> 'a Tezos_error_monad.Error_monad.tzresult Lwt.t) ->
filename:string ->
(unit -> 'a Tezos_error_monad.Error_monad.tzresult Lwt.t) ->
'a Tezos_error_monad.Error_monad.tzresult Lwt.ttry_with_lock ?close_on_exec ?unlink_on_exit ~when_locked ~filename f tries to take a lock on file filename and calls f if the lock was successfully taken. If the lock was previously taken, when_locked is called instead and f is ignored.
This function may fail with an I/O exception wrapped in the error monad if something unexpected happened.