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locking++

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Ward Wouts 2009-01-30 09:08:44 +00:00
parent e44b81f854
commit 8b8a8c560c
1 changed files with 14 additions and 4 deletions
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18
pbatch/pb.rb
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@ -79,24 +79,34 @@ end
def increasejobscounter
jobscounter = 0
if File.exists(COUNTERFILE)
File.new(COUNTERFILE, "r+").flock(File::LOCK_EX){|file|
jobscounter = file.read.to_i
if FileTest.exists?(COUNTERFILE)
File.new(COUNTERFILE).flock(File::LOCK_EX)
File.open(COUNTERFILE, "r+"){|file|
jobscounter = file.read
if jobscounter.empty?
jobscounter = 0
end
jobscounter = jobscounter.to_i
jobscounter += 1
file.seek(0)
file.puts jobscounter
}
File.new(COUNTERFILE, "r+").flock(File::LOCK_UN)
else
File.new(COUNTERFILE, "w").flock(File::LOCK_EX){|file|
File.open(COUNTERFILE, "w"){|file|
File.new(COUNTERFILE).flock(File::LOCK_EX)
jobscounter = 1
file.puts jobscounter
}
File.new(COUNTERFILE, "r+").flock(File::LOCK_UN)
end
return jobscounter
end
def addjob
p ARGV.join(" ")
jobnumber=sprintf("%06d", increasejobscounter)
p jobnumber
end
def addjobfromfile