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17 lines
693 B
Markdown
17 lines
693 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}} {{[-c|--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}} {{[-n|--nonblock]}} {{[-c|--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}} {{[-n|--nonblock]}} {{[-E|--conflict-exit-code]}} {{error_code}} {{[-c|--command]}} "{{command}}"`
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