Sha256: 37115a52c6e7ba4b4fa13aae8552fff90b53e6ace994452adc0ba07c2df0cdec
Contents?: true
Size: 840 Bytes
Versions: 9
Compression:
Stored size: 840 Bytes
Contents
# -*- encoding: utf-8 -*-
class LockFile
attr_accessor :logger, :path, :quiet
# By default print errors
@quiet = false
def initialize(path, logger = nil)
if path == nil
raise "file path cannot be nil"
end
@path = path
@logger = logger || $logger
end
def lock(waiting_unlock = false)
flags = File::WRONLY | File::TRUNC | File::CREAT
@f = File.open(@path, flags)
flags = File::LOCK_EX
flags |= File::LOCK_NB if waiting_unlock == false
unless @f.flock flags
log "File '#{@path}' already open in exclusive mode.\n"
return true
end
return false
end
def unlock
@f.close
File.delete( @f.path)
rescue Errno::ENOENT
#do nothing
end
def log(str)
return if @quiet
if @logger
@logger.warn str
else
print str
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems