19 lines
427 B
Ruby
19 lines
427 B
Ruby
require 'ffi'
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require 'rbconfig'
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class Timeval < FFI::Struct
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layout tv_sec: :ulong, tv_usec: :ulong
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end
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module LibC
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extend FFI::Library
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if FFI::Platform.windows?
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ffi_lib RbConfig::CONFIG["LIBRUBY_SO"]
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else
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ffi_lib FFI::Library::LIBC
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end
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attach_function :gettimeofday, [ :pointer, :pointer ], :int
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end
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t = Timeval.new
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LibC.gettimeofday(t.pointer, nil)
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puts "t.tv_sec=#{t[:tv_sec]} t.tv_usec=#{t[:tv_usec]}"
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