19 lines
534 B
Ruby
19 lines
534 B
Ruby
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require 'rubygems'
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require 'ffi'
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class Timeval < FFI::Struct
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rb_maj, rb_min, rb_micro = RUBY_VERSION.split('.')
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if rb_maj.to_i >= 1 && rb_min.to_i >= 9 || RUBY_PLATFORM =~ /java/
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layout :tv_sec => :ulong, :tv_usec => :ulong
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else
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layout :tv_sec, :ulong, 0, :tv_usec, :ulong, 4
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end
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end
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module LibC
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extend FFI::Library
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ffi_lib FFI::Library::LIBC
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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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