NaCl: Move src/trusted/plugin/ to components/nacl/renderer/plugin/

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

-// 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.
-
-#ifndef NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PNACL_TRANSLATE_THREAD_H_
-#define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PNACL_TRANSLATE_THREAD_H_
-
-#include <deque>
-#include <vector>
-
-#include "native_client/src/include/nacl_macros.h"
-#include "native_client/src/include/nacl_scoped_ptr.h"
-#include "native_client/src/shared/platform/nacl_threads.h"
-#include "native_client/src/shared/platform/nacl_sync_checked.h"
-
-#include "ppapi/cpp/completion_callback.h"
-
-#include "ppapi/native_client/src/trusted/plugin/plugin_error.h"
-#include "ppapi/native_client/src/trusted/plugin/service_runtime.h"
-
-struct PP_PNaClOptions;
-
-namespace nacl {
-class DescWrapper;
-}
-
-
-namespace plugin {
-
-class NaClSubprocess;
-class Plugin;
-class PnaclCoordinator;
-class PnaclResources;
-class TempFile;
-
-class PnaclTranslateThread {
- public:
-  PnaclTranslateThread();
-  ~PnaclTranslateThread();
-
-  // Start the translation process. It will continue to run and consume data
-  // as it is passed in with PutBytes.
-  void RunTranslate(const pp::CompletionCallback& finish_callback,
-                    const std::vector<TempFile*>* obj_files,
-                    TempFile* nexe_file,
-                    nacl::DescWrapper* invalid_desc_wrapper,
-                    ErrorInfo* error_info,
-                    PnaclResources* resources,
-                    PP_PNaClOptions* pnacl_options,
-                    const std::string &architecture_attributes,
-                    PnaclCoordinator* coordinator,
-                    Plugin* plugin);
-
-  // Kill the llc and/or ld subprocesses. This happens by closing the command
-  // channel on the plugin side, which causes the trusted code in the nexe to
-  // exit, which will cause any pending SRPCs to error. Because this is called
-  // on the main thread, the translation thread must not use the subprocess
-  // objects without the lock, other than InvokeSrpcMethod, which does not
-  // race with service runtime shutdown.
-  void AbortSubprocesses();
-
-  // Send bitcode bytes to the translator. Called from the main thread.
-  void PutBytes(const void* data, int count);
-
-  // Notify the translator that the end of the bitcode stream has been reached.
-  // Called from the main thread.
-  void EndStream();
-
-  int64_t GetCompileTime() const { return compile_time_; }
-
-  // Returns true if RunTranslate() has been called, false otherwise.
-  bool started() const { return plugin_ != NULL; }
-
- private:
-  // Helper thread entry point for translation. Takes a pointer to
-  // PnaclTranslateThread and calls DoTranslate().
-  static void WINAPI DoTranslateThread(void* arg);
-  // Runs the streaming translation. Called from the helper thread.
-  void DoTranslate() ;
-  // Signal that Pnacl translation failed, from the translation thread only.
-  void TranslateFailed(PP_NaClError err_code,
-                       const std::string& error_string);
-  // Run the LD subprocess, returning true on success.
-  // On failure, it returns false and runs the callback.
-  bool RunLdSubprocess();
-
-
-  // Callback to run when tasks are completed or an error has occurred.
-  pp::CompletionCallback report_translate_finished_;
-
-  nacl::scoped_ptr<NaClThread> translate_thread_;
-
-  // Used to guard llc_subprocess and ld_subprocess
-  struct NaClMutex subprocess_mu_;
-  nacl::scoped_ptr<NaClSubprocess> llc_subprocess_;
-  nacl::scoped_ptr<NaClSubprocess> ld_subprocess_;
-  // Used to ensure the subprocesses don't get shutdown more than once.
-  bool llc_subprocess_active_;
-  bool ld_subprocess_active_;
-
-  bool subprocesses_aborted_;
-
-  // Condition variable to synchronize communication with the SRPC thread.
-  // SRPC thread waits on this condvar if data_buffers_ is empty (meaning
-  // there is no bitcode to send to the translator), and the main thread
-  // appends to data_buffers_ and signals it when it receives bitcode.
-  struct NaClCondVar buffer_cond_;
-  // Mutex for buffer_cond_.
-  struct NaClMutex cond_mu_;
-  // Data buffers from FileDownloader are enqueued here to pass from the
-  // main thread to the SRPC thread. Protected by cond_mu_
-  std::deque<std::vector<char> > data_buffers_;
-  // Whether all data has been downloaded and copied to translation thread.
-  // Associated with buffer_cond_
-  bool done_;
-
-  int64_t compile_time_;
-
-  // Data about the translation files, owned by the coordinator
-  const std::vector<TempFile*>* obj_files_;
-  TempFile* nexe_file_;
-  nacl::DescWrapper* invalid_desc_wrapper_;
-  ErrorInfo* coordinator_error_info_;
-  PnaclResources* resources_;
-  PP_PNaClOptions* pnacl_options_;
-  std::string architecture_attributes_;
-  PnaclCoordinator* coordinator_;
-  Plugin* plugin_;
- private:
-  NACL_DISALLOW_COPY_AND_ASSIGN(PnaclTranslateThread);
-};
-
-}
-#endif // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PNACL_TRANSLATE_THREAD_H_