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tldr/pages/common/flock.md
Juri Dispan 5561eb8f56
lckdo, mispipe, pee, vidir, vipe, zrun: add pages; flock: edit page (#12113)
* lckdo, mispipe, pee, vidir, vipe, zrun: add pages

* Apply suggestions from code review

Co-authored-by: Vitor Henrique <87824454+vitorhcl@users.noreply.github.com>

* fix errors

* flock: move page

---------

Co-authored-by: Vitor Henrique <87824454+vitorhcl@users.noreply.github.com>
2024-01-24 09:20:02 +01:00

632 B

flock

Manage locks from shell scripts. It can be used to ensure that only one process of a command is running. More information: https://manned.org/flock.

  • Run a command with a file lock as soon as the lock is not required by others:

flock {{path/to/lock.lock}} --command "{{command}}"

  • Run a command with a file lock, and exit if the lock doesn't exist:

flock {{path/to/lock.lock}} --nonblock --command "{{command}}"

  • Run a command with a file lock, and exit with a specific error code if the lock doesn't exist:

flock {{path/to/lock.lock}} --nonblock --conflict-exit-code {{error_code}} -c "{{command}}"