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puma--puma/lib/puma/jruby_restart.rb
2011-12-06 13:28:54 -08:00

22 lines
448 B
Ruby

require 'ffi'
module Puma
module JRubyRestart
extend FFI::Library
ffi_lib 'c'
attach_function :execlp, [:string, :varargs], :int
attach_function :chdir, [:string], :int
def self.chdir_exec(dir, cmd, *argv)
chdir(dir)
argv.unshift(cmd)
argv = ([:string] * argv.size).zip(argv).flatten
argv <<:int
argv << 0
execlp(cmd, *argv)
raise SystemCallError.new(FFI.errno)
end
end
end