Class: OsCtl::Lib::SysConf

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/libosctl/sys_conf.rb

Constant Summary collapse

VALUES = 
%i[page_size tics_per_second].freeze

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SysConf

Returns a new instance of SysConf.



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# File 'lib/libosctl/sys_conf.rb', line 16

def initialize
  @values = {}
end

Instance Method Details

#get(name) ⇒ Object

Parameters:

  • name (Symbol) 


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# File 'lib/libosctl/sys_conf.rb', line 21

def get(name)
  unless VALUES.include?(name)
    raise ArgumentError, "#{name.inspect} is not known"
  end

  @values[name] ||= send(:"get_#{name}")
end

#get_page_size ⇒ Object (protected) 



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# File 'lib/libosctl/sys_conf.rb', line 35

def get_page_size
  Etc.sysconf(Etc::SC_PAGESIZE)
end

#get_tics_per_second ⇒ Object (protected) 



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# File 'lib/libosctl/sys_conf.rb', line 39

def get_tics_per_second
  Etc.sysconf(Etc::SC_CLK_TCK)
end