For actions, switch bool success into an exit code.

filesystem_copier_action.cc

 // Copyright (c) 2010 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.
 
 #include "update_engine/filesystem_copier_action.h"
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <stdlib.h>
@@ skipping 27 matching lines @@
   if (!HasInputObject()) {
     LOG(ERROR) << "FilesystemCopierAction missing input object.";
     return;
   }
   install_plan_ = GetInputObject();
 
   if (install_plan_.is_full_update) {
     // No copy needed. Done!
     if (HasOutputPipe())
       SetOutputObject(install_plan_);
-    abort_action_completer.set_success(true);
+    abort_action_completer.set_code(kActionCodeSuccess);
     return;
   }
 
   string source = copy_source_;
   if (source.empty()) {
     source = copying_kernel_install_path_ ?
         utils::BootKernelDevice(utils::BootDevice()) :
         utils::BootDevice();
   }
 
   const string destination = copying_kernel_install_path_ ?
       install_plan_.kernel_install_path :
       install_plan_.install_path;
-  
+
   int src_fd = open(source.c_str(), O_RDONLY);
   if (src_fd < 0) {
     PLOG(ERROR) << "Unable to open " << source << " for reading:";
     return;
   }
   int dst_fd = open(destination.c_str(),
                     O_WRONLY | O_TRUNC | O_CREAT,
                     0644);
   if (dst_fd < 0) {
     close(src_fd);
@@ skipping 30 matching lines @@
 
 void FilesystemCopierAction::Cleanup(bool success, bool was_cancelled) {
   g_object_unref(src_stream_);
   src_stream_ = NULL;
   g_object_unref(dst_stream_);
   dst_stream_ = NULL;
   if (was_cancelled)
     return;
   if (success && HasOutputPipe())
     SetOutputObject(install_plan_);
-  processor_->ActionComplete(this, success);
+  processor_->ActionComplete(
+      this,
+      success ? kActionCodeSuccess : kActionCodeError);
 }
 
 void FilesystemCopierAction::AsyncReadyCallback(GObject *source_object,
                                                 GAsyncResult *res) {
   GError* error = NULL;
   CHECK(canceller_);
   bool was_cancelled = g_cancellable_is_cancelled(canceller_) == TRUE;
   g_object_unref(canceller_);
   canceller_ = NULL;
 
@@ skipping 46 matching lines @@
       src_stream_,
       &buffer_[0],
       buffer_.size(),
       G_PRIORITY_DEFAULT,
       canceller_,
       &FilesystemCopierAction::StaticAsyncReadyCallback,
       this);
 }
 
 }  // namespace chromeos_update_engine