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puma--puma/lib/puma/daemon_ext.rb

24 lines
573 B
Ruby

module Process
# This overrides the default version because it is broken if it
# exists.
def self.daemon(nochdir=false, noclose=false)
exit if fork # Parent exits, child continues.
Process.setsid # Become session leader.
exit if fork # Zap session leader. See [1].
Dir.chdir "/" unless nochdir # Release old working directory.
if !noclose
null = File.open "/dev/null", "w+"
STDIN.reopen null
STDOUT.reopen null
STDERR.reopen null
end
0
end
end