use flock instead of fcntl locking
tree637fb262a160f886bc737cc5fc802311237d4f03
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drwxr-xr-x - Documentation
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-rw-r--r-- 465 MANIFEST
-rw-r--r-- 1213 Makefile.PL
-rw-r--r-- 3538 README
drwxr-xr-x - lib
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-rwxr-xr-x 707 ssoma-mda
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drwxr-xr-x - t