lock {flock}

Locking/Unlocking

Description

Locks a file in exclusive or shared mode.

Usage

lock(path, exclusive = TRUE)

Arguments

path

Character. The path.

exclusive

Logical. The lock type, exclusive or shared.

Details

The file is created if it doesn't exist.

Value

Returns an object of type FileLock, which is to be used for the unlock call.

Author(s)

Ivan Popivanov

Examples

## Not run: 
require(flock)

file.lock = lock("~/file.lock")
# Critical section code goes here
unlock(file.lock)

## End(Not run)