package octez-libs
A package that contains multiple base libraries used by the Octez suite
Install
Dune Dependency
Authors
Maintainers
Sources
tezos-octez-v20.1.tag.bz2
sha256=ddfb5076eeb0b32ac21c1eed44e8fc86a6743ef18ab23fff02d36e365bb73d61
sha512=d22a827df5146e0aa274df48bc2150b098177ff7e5eab52c6109e867eb0a1f0ec63e6bfbb0e3645a6c2112de3877c91a17df32ccbff301891ce4ba630c997a65
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.