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Versions: 14
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Stored size: 1.27 KB
Contents
require 'ffi'
module Puma
module JRubyRestart
extend FFI::Library
ffi_lib 'c'
attach_function :execlp, [:string, :varargs], :int
attach_function :chdir, [:string], :int
attach_function :fork, [], :int
attach_function :exit, [:int], :void
attach_function :setsid, [], :int
def self.chdir_exec(dir, argv)
chdir(dir)
cmd = argv.first
argv = ([:string] * argv.size).zip(argv).flatten
argv << :string
argv << nil
execlp(cmd, *argv)
raise SystemCallError.new(FFI.errno)
end
def self.daemon?
ENV.key? 'PUMA_DAEMON_RESTART'
end
def self.daemon_init
return false unless ENV.key? 'PUMA_DAEMON_RESTART'
master = ENV['PUMA_DAEMON_RESTART']
Process.kill "SIGUSR2", master.to_i
setsid
null = File.open "/dev/null", "w+"
STDIN.reopen null
STDOUT.reopen null
STDERR.reopen null
true
end
def self.daemon_start(dir, argv)
ENV['PUMA_DAEMON_RESTART'] = Process.pid.to_s
cmd = argv.first
argv = ([:string] * argv.size).zip(argv).flatten
argv << :string
argv << nil
chdir(dir)
ret = fork
return ret if ret != 0
execlp(cmd, *argv)
raise SystemCallError.new(FFI.errno)
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems