Method: OpenCL.set_program_release_callback

Defined in:
lib/opencl_ruby_ffi/Program.rb

.set_program_release_callback(program, options = {}, &block) ⇒ Object

Attaches a callback to program that will be called on program release

Attributes

  • program - the Program to attach the callback to

  • options - a hash containing named options

  • block - if provided, a callback invoked when program is released. Signature of the callback is { |Pointer to the program, Pointer to user_data| … }

Options

  • :user_data - a Pointer (or convertible to Pointer using to_ptr) to the memory area to pass to the callback



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# File 'lib/opencl_ruby_ffi/Program.rb', line 241

def self.set_program_release_callback( program, options = {}, &block )
  if block
    wrapper_block = lambda { |p, u|
      block.call(p, u)
      @@callbacks.delete(wrapper_block)
    }
    @@callbacks[wrapper_block] = options[:user_data]
  else
    wrapper_block = nil
  end
  error = clSetProgramReleaseCallback( program, wrapper_block, options[:user_data] )
  error_check(error)
  return program
end