58 lines
1.2 KiB
Ruby
58 lines
1.2 KiB
Ruby
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module MacOSHardware
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# These methods use info spewed out by sysctl.
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# Look in <mach/machine.h> for decoding info.
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def cpu_type
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@@cpu_type ||= `/usr/sbin/sysctl -n hw.cputype`.to_i
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case @@cpu_type
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when 7
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:intel
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when 18
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:ppc
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else
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:dunno
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end
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end
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def intel_family
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@@intel_family ||= `/usr/sbin/sysctl -n hw.cpufamily`.to_i
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case @@intel_family
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when 0x73d67300 # Yonah: Core Solo/Duo
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:core
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when 0x426f69ef # Merom: Core 2 Duo
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:core2
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when 0x78ea4fbc # Penryn
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:penryn
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when 0x6b5a4cd2 # Nehalem
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:nehalem
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when 0x573B5EEC # Arrandale
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:arrandale
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when 0x5490B78C # Sandy Bridge
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:sandybridge
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when 0x1F65E835 # Ivy Bridge
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:ivybridge
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else
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:dunno
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end
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end
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def processor_count
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@@processor_count ||= `/usr/sbin/sysctl -n hw.ncpu`.to_i
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end
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def is_64_bit?
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return @@is_64_bit if defined? @@is_64_bit
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@@is_64_bit = sysctl_bool("hw.cpu64bit_capable")
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end
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protected
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def sysctl_bool(property)
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result = nil
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IO.popen("/usr/sbin/sysctl -n #{property} 2>/dev/null") do |f|
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result = f.gets.to_i # should be 0 or 1
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end
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$?.success? && result == 1 # sysctl call succeded and printed 1
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end
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end
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