New NaCl zygote implementation 2

content/browser/zygote_host_linux.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 CONTENT_BROWSER_ZYGOTE_HOST_LINUX_H_
 #define CONTENT_BROWSER_ZYGOTE_HOST_LINUX_H_
 #pragma once
 
 #include <unistd.h>
 
@@ skipping 16 matching lines @@
 // process.
 class ZygoteHost {
  public:
   // Returns the singleton instance.
   static ZygoteHost* GetInstance();
 
   void Init(const std::string& sandbox_cmd);
 
   // Tries to start a renderer process.  Returns its pid on success, otherwise
   // base::kNullProcessHandle;
-  pid_t ForkRenderer(const std::vector<std::string>& command_line,
-                     const base::GlobalDescriptors::Mapping& mapping);
+  pid_t ForkRequest(const std::vector<std::string>& command_line,
+                    const base::GlobalDescriptors::Mapping& mapping,
+                    const std::string& process_type);
   void EnsureProcessTerminated(pid_t process);
 
   // Get the termination status (and, optionally, the exit code) of
   // the process. |exit_code| is set to the exit code of the child
   // process. (|exit_code| may be NULL.)
   base::TerminationStatus GetTerminationStatus(base::ProcessHandle handle,
                                                int* exit_code);
 
   // These are the command codes used on the wire between the browser and the
   // zygote.
   enum {
     kCmdFork = 0,                  // Fork off a new renderer.
     kCmdReap = 1,                  // Reap a renderer child.
     kCmdGetTerminationStatus = 2,  // Check what happend to a child process.
     kCmdGetSandboxStatus = 3,      // Read a bitmask of kSandbox*
+    kCmdNaClFork = 4,              // Fork off a Native Client loader
   };
 
   // These form a bitmask which describes the conditions of the sandbox that
   // the zygote finds itself in.
   enum {
     kSandboxSUID = 1 << 0,     // SUID sandbox active
     kSandboxPIDNS = 1 << 1,    // SUID sandbox is using the PID namespace
     kSandboxNetNS = 1 << 2,    // SUID sandbox is using the network namespace
     kSandboxSeccomp = 1 << 3,  // seccomp sandbox active.
   };
@@ skipping 25 matching lines @@
   base::Lock control_lock_;
   pid_t pid_;
   bool init_;
   bool using_suid_sandbox_;
   std::string sandbox_binary_;
   bool have_read_sandbox_status_word_;
   int sandbox_status_;
 };
 
 #endif  // CONTENT_BROWSER_ZYGOTE_HOST_LINUX_H_