Determine if only one instance is running: Difference between revisions
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m (→{{header|Sidef}}: replaced "File::" with "File.") |
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| Line 832: | Line 832: | ||
# Now call the flock() method on it |
# Now call the flock() method on it |
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fh.flock(File |
fh.flock(File.LOCK_EX | File.LOCK_NB) |
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|| die "I'm already running!"; |
|| die "I'm already running!"; |
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| Line 839: | Line 839: | ||
Sys.sleep(20); |
Sys.sleep(20); |
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say 'Done!';</lang> |
say 'Done!';</lang> |
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=={{header|Swift}}== |
=={{header|Swift}}== |
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Uses NSDistributedNotificationCenter. Works with Swift 1.2. |
Uses NSDistributedNotificationCenter. Works with Swift 1.2. |
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