Add an interface for nacl to create delete-on-close temp files,

ppapi/native_client/src/trusted/plugin/service_runtime.h

 /* -*- c++ -*- */
 /*
  * Copyright (c) 2012 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.
  */
 
 // A class containing information regarding a socket connection to a
 // service runtime instance.
 
 #ifndef NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SERVICE_RUNTIME_H_
 #define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SERVICE_RUNTIME_H_
 
+#include <map>
+
 #include "native_client/src/include/nacl_macros.h"
 #include "native_client/src/include/nacl_scoped_ptr.h"
 #include "native_client/src/include/nacl_string.h"
 #include "native_client/src/shared/platform/nacl_sync.h"
 #include "native_client/src/shared/srpc/nacl_srpc.h"
 #include "native_client/src/trusted/desc/nacl_desc_wrapper.h"
 #include "native_client/src/trusted/nonnacl_util/sel_ldr_launcher.h"
 #include "native_client/src/trusted/plugin/utility.h"
 #include "native_client/src/trusted/reverse_service/reverse_service.h"
 #include "native_client/src/trusted/weak_ref/weak_ref.h"
@@ skipping 59 matching lines @@
                              bool* op_result)
       : desc(desc_to_close),
         op_complete_ptr(op_complete),
         op_result_ptr(op_result) {}
 
   int32_t desc;
   bool* op_complete_ptr;
   bool* op_result_ptr;
 };
 
+enum QuotaDataType {
+  PepperQuotaType,
+  TempQuotaType
+};
+
+struct QuotaData {
+  QuotaData(QuotaDataType type_, PP_Resource resource_)
+      : type(type_), resource(resource_) {}
+  QuotaData()
+      : type(PepperQuotaType), resource(0) {}
+
+  QuotaDataType type;
+  PP_Resource resource;
+};
+
 struct QuotaRequest {
  public:
-  QuotaRequest(PP_Resource file_resource,
+  QuotaRequest(QuotaData quota_data,
                int64_t start_offset,
                int64_t quota_bytes_requested,
                int64_t* quota_bytes_granted,
                bool* op_complete)
-      : resource(file_resource),
+      : data(quota_data),
         offset(start_offset),
         bytes_requested(quota_bytes_requested),
         bytes_granted(quota_bytes_granted),
         op_complete_ptr(op_complete) { }
 
-  PP_Resource resource;
+  QuotaData data;
   int64_t offset;
   int64_t bytes_requested;
   int64_t* bytes_granted;
   bool* op_complete_ptr;
 };
 
 // Do not invoke from the main thread, since the main methods will
 // invoke CallOnMainThread and then wait on a condvar for the task to
 // complete: if invoked from the main thread, the main method not
 // returning (and thus unblocking the main thread) means that the
@@ skipping 27 matching lines @@
   virtual void ReportCrash();
 
   virtual void ReportExitStatus(int exit_status);
 
   virtual int64_t RequestQuotaForWrite(nacl::string file_id,
                                        int64_t offset,
                                        int64_t bytes_to_write);
 
   void AddQuotaManagedFile(const nacl::string& file_id,
                            const pp::FileIO& file_io);
+  void AddTempQuotaManagedFile(const nacl::string& file_id);
 
  protected:
   virtual void Log_MainThreadContinuation(LogToJavaScriptConsoleResource* p,
                                           int32_t err);
 
   virtual void PostMessage_MainThreadContinuation(PostMessageResource* p,
                                                   int32_t err);
 
   virtual void OpenManifestEntry_MainThreadContinuation(
       OpenManifestEntryResource* p,
@@ skipping 20 matching lines @@
       int32_t err);
 
  private:
   nacl::WeakRefAnchor* anchor_;  // holds a ref
   Plugin* plugin_;  // value may be copied, but should be used only in
                     // main thread in WeakRef-protected callbacks.
   const Manifest* manifest_;
   ServiceRuntime* service_runtime_;
   NaClMutex mu_;
   NaClCondVar cv_;
-  std::map<int64_t, PP_Resource> quota_map_;
+  std::map<int64_t, QuotaData> quota_map_;
   bool shutting_down_;
 
   nacl::scoped_ptr<PnaclCoordinator> pnacl_coordinator_;
 
   pp::CompletionCallback init_done_cb_;
   pp::CompletionCallback crash_cb_;
 };
 
 //  ServiceRuntime abstracts a NativeClient sel_ldr instance.
 class ServiceRuntime {
@@ skipping 51 matching lines @@
 
   PluginReverseInterface* rev_interface_;
 
   NaClMutex mu_;
   int exit_status_;
 };
 
 }  // namespace plugin
 
 #endif  // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SERVICE_RUNTIME_H_