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Bug #9480 » watcher.rb

joshc (Josh C), 02/04/2014 11:56 PM

 
require 'Win32API'

class Watcher
OpenProcess = Win32API.new('kernel32', 'OpenProcess', 'LIL', 'L')
WaitForSingleObject = Win32API.new('kernel32', 'WaitForSingleObject', 'LL', 'L')

SYNCHRONIZE = 0x100000
WAIT_OBJECT_0 = 0
TIMEOUT = 10 * 60 * 1000 # 10mins

attr_reader :pid

def initialize(io)
@pid = io.gets.chomp.to_i
@timeout = io.gets.chomp.to_i
@info = io.gets.chomp
end

def waitpid
handle = OpenProcess.call(SYNCHRONIZE, 0, pid)
WaitForSingleObject.call(handle, TIMEOUT)
end

def execute
case waitpid
when WAIT_OBJECT_0
$stderr.puts("Process #{@pid} completed")
else
$stderr.puts("Failed to wait for #{@pid}")
end
end
end

if __FILE__ == $0
watcher = Watcher.new($stdin)
watcher.execute
end
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