AU: Class to perform delta updates.

src/platform/update_engine/subprocess.h

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROMEOS_PLATFORM_UPDATE_ENGINE_SUBPROCESS_H__
 #define CHROMEOS_PLATFORM_UPDATE_ENGINE_SUBPROCESS_H__
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 11 matching lines @@
 class Subprocess {
  public:
   static void Init() {
     CHECK(!subprocess_singleton_);
     subprocess_singleton_ = new Subprocess;
   }
    
   typedef void(*ExecCallback)(int return_code, void *p);
 
   // Returns a tag > 0 on success.
-  uint32 Exec(const std::vector<std::string>& cmd,
-              ExecCallback callback,
-              void* p);
+  uint32_t Exec(const std::vector<std::string>& cmd,
+                ExecCallback callback,
+                void* p);
 
   // Used to cancel the callback. The process will still run to completion.
-  void CancelExec(uint32 tag);
+  void CancelExec(uint32_t tag);
 
   // Executes a command synchronously. Returns true on success.
   static bool SynchronousExec(const std::vector<std::string>& cmd,
                               int* return_code);
 
   // Gets the one instance
   static Subprocess& Get() {
     return *subprocess_singleton_;
   }
   
@@ skipping 22 matching lines @@
 
   std::map<int, SubprocessCallbackRecord> callback_records_;
 
   Subprocess() {}
   DISALLOW_COPY_AND_ASSIGN(Subprocess);
 };
 
 }  // namespace chromeos_update_engine
 
 #endif  // CHROMEOS_PLATFORM_UPDATE_ENGINE_SUBPROCESS_H__