Sha256: ba027365bf7d883f3384f65d8db1be694c109940001130cb51acd901801aa33c

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Size: 1.97 KB

Versions: 114

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Stored size: 1.97 KB

Contents

#
# Author:: John Keiser (<jkeiser@opscode.com>)
# Copyright:: Copyright 2011 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

require 'chef/win32/api/process'
require 'chef/win32/api/psapi'
require 'chef/win32/api/system'
require 'chef/win32/error'

class Chef
  module ReservedNames::Win32
    class Handle
      extend Chef::ReservedNames::Win32::API::Process

      # See http://msdn.microsoft.com/en-us/library/windows/desktop/ms683179(v=vs.85).aspx
      # The handle value returned by the GetCurrentProcess function is the pseudo handle (HANDLE)-1 (which is 0xFFFFFFFF)
      CURRENT_PROCESS_HANDLE = 4294967295

      def initialize(handle)
        @handle = handle
        ObjectSpace.define_finalizer(self, Handle.close_handle_finalizer(handle))
      end

      attr_reader :handle

      def self.close_handle_finalizer(handle)
        # According to http://msdn.microsoft.com/en-us/library/windows/desktop/ms683179(v=vs.85).aspx, it is not necessary
        # to close the pseudo handle returned by the GetCurrentProcess function.  The docs also say that it doesn't hurt to call
        # CloseHandle on it. However, doing so from inside of Ruby always seems to produce an invalid handle error.
        proc { close_handle(handle) unless handle == CURRENT_PROCESS_HANDLE }
      end

      def self.close_handle(handle)
        unless CloseHandle(handle)
          Chef::ReservedNames::Win32::Error.raise!
        end
      end

    end
  end
end

Version data entries

114 entries across 114 versions & 1 rubygems

Version Path
chef-12.6.0 lib/chef/win32/handle.rb
chef-12.6.0-universal-mingw32 lib/chef/win32/handle.rb
chef-12.5.1-universal-mingw32 lib/chef/win32/handle.rb
chef-12.5.1 lib/chef/win32/handle.rb
chef-12.4.3-universal-mingw32 lib/chef/win32/handle.rb
chef-12.4.3 lib/chef/win32/handle.rb
chef-12.4.2-universal-mingw32 lib/chef/win32/handle.rb
chef-12.4.2 lib/chef/win32/handle.rb
chef-12.5.0.alpha.1 lib/chef/win32/handle.rb
chef-12.4.1-universal-mingw32 lib/chef/win32/handle.rb
chef-12.4.1 lib/chef/win32/handle.rb
chef-12.4.0 lib/chef/win32/handle.rb
chef-12.4.0-universal-mingw32 lib/chef/win32/handle.rb
chef-12.4.0.rc.2 lib/chef/win32/handle.rb
chef-12.4.0.rc.2-universal-mingw32 lib/chef/win32/handle.rb
chef-12.4.0.rc.0 lib/chef/win32/handle.rb
chef-12.4.0.rc.0-universal-mingw32 lib/chef/win32/handle.rb
chef-11.18.12-x86-mingw32 lib/chef/win32/handle.rb
chef-11.18.12 lib/chef/win32/handle.rb
chef-12.3.0-x86-mingw32 lib/chef/win32/handle.rb