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26 lines
592 B
Ruby
26 lines
592 B
Ruby
# frozen_string_literal: true
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require 'ffi'
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module Puma
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module JRubyRestart
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extend FFI::Library
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ffi_lib 'c'
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attach_function :execlp, [:string, :varargs], :int
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attach_function :chdir, [:string], :int
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attach_function :fork, [], :int
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attach_function :exit, [:int], :void
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attach_function :setsid, [], :int
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def self.chdir_exec(dir, argv)
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chdir(dir)
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cmd = argv.first
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argv = ([:string] * argv.size).zip(argv).flatten
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argv << :string
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argv << nil
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execlp(cmd, *argv)
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raise SystemCallError.new(FFI.errno)
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end
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end
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end
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