1 files changed, 84 insertions, 0 deletions
diff --git a/lib/chef/win32/process.rb b/lib/chef/win32/process.rb
new file mode 100644
index 0000000000..2df39bb918
--- /dev/null
+++ b/lib/chef/win32/process.rb
@@ -0,0 +1,84 @@
+#
+# 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/error'
+require 'chef/win32/handle'
+require 'ffi'
+
+class Chef
+  module ReservedNames::Win32
+    class Process
+      include Chef::ReservedNames::Win32::API::Process
+      extend Chef::ReservedNames::Win32::API::Process
+      include Chef::ReservedNames::Win32::API::PSAPI
+      extend Chef::ReservedNames::Win32::API::PSAPI
+
+      def initialize(handle)
+        @handle = handle
+      end
+
+      attr_reader :handle
+
+      def id
+        Process.get_process_id(handle)
+      end
+
+      def handle_count
+        Process.get_process_handle_count(handle)
+      end
+
+      def memory_info
+        Process.get_process_memory_info(handle)
+      end
+
+      def self.get_current_process
+        Process.new(Handle.new(GetCurrentProcess()))
+      end
+
+      def self.get_process_handle_count(handle)
+        handle_count = FFI::MemoryPointer.new :uint32
+        unless GetProcessHandleCount(handle.handle, handle_count)
+          Chef::ReservedNames::Win32::Error.raise!
+        end
+        handle_count.read_uint32
+      end
+
+      def self.get_process_id(handle)
+        # Must have PROCESS_QUERY_INFORMATION or PROCESS_QUERY_LIMITED_INFORMATION rights
+        result = GetProcessId(handle.handle)
+        if result == 0
+          Chef::ReservedNames::Win32::Error.raise!
+        end
+        result
+      end
+
+        # Must have PROCESS_QUERY_INFORMATION or PROCESS_QUERY_LIMITED_INFORMATION rights,
+        # AND the PROCESS_VM_READ right
+      def self.get_process_memory_info(handle)
+        memory_info = PROCESS_MEMORY_COUNTERS.new
+        unless GetProcessMemoryInfo(handle.handle, memory_info, memory_info.size)
+          Chef::ReservedNames::Win32::Error.raise!
+        end
+        memory_info
+      end
+
+    end
+  end
+end