class Einhorn::PrctlLinux
Constants
- IntStruct
Reading integers is hard with fiddle. :(
Public Class Methods
get_pdeathsig()
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# File lib/einhorn/prctl_linux.rb, line 19 def self.get_pdeathsig out = IntStruct.malloc out.i = 0 if PrctlRaw.prctl(PrctlRaw::GET_PDEATHSIG, out.to_i, 0, 0, 0) != 0 then raise SystemCallError.new("get_pdeathsig", Fiddle.last_error) end signo = out.i if signo == 0 then return nil end return Signal.signame(signo) end
set_pdeathsig(signal)
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# File lib/einhorn/prctl_linux.rb, line 34 def self.set_pdeathsig(signal) case when signal == nil signo = 0 when signal.instance_of?(String) signo = Signal.list.fetch(signal) else signo = signal end if PrctlRaw.prctl(PrctlRaw::SET_PDEATHSIG, signo, 0, 0, 0) != 0 then raise SystemCallError.new("set_pdeathsig(#{signal})", Fiddle.last_error) end end