mirror of https://github.com/CrimsonTome/tldr.git
18 lines
632 B
Markdown
18 lines
632 B
Markdown
# flock
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> Manage locks from shell scripts.
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> It can be used to ensure that only one process of a command is running.
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> More information: <https://manned.org/flock>.
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- Run a command with a file lock as soon as the lock is not required by others:
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`flock {{path/to/lock.lock}} --command "{{command}}"`
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- Run a command with a file lock, and exit if the lock doesn't exist:
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`flock {{path/to/lock.lock}} --nonblock --command "{{command}}"`
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- Run a command with a file lock, and exit with a specific error code if the lock doesn't exist:
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`flock {{path/to/lock.lock}} --nonblock --conflict-exit-code {{error_code}} -c "{{command}}"`
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