POSIX: Transfer network data using shared memory

chrome/common/ipc_message_utils.h

 // Copyright (c) 2006-2008 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 CHROME_COMMON_IPC_MESSAGE_UTILS_H_
 #define CHROME_COMMON_IPC_MESSAGE_UTILS_H_
 
 #include <string>
 #include <vector>
 #include <map>
 
 #include "base/file_path.h"
 #include "base/string_util.h"
 #include "base/tuple.h"
 #if defined(OS_POSIX)
-#include "chrome/common/file_descriptor_posix.h"
+#include "chrome/common/descriptor_set_posix.h"
 #endif
 #include "chrome/common/ipc_sync_message.h"
 #include "chrome/common/thumbnail_score.h"
 #include "webkit/glue/cache_manager.h"
 #include "webkit/glue/console_message_level.h"
 #include "webkit/glue/find_in_page_request.h"
 #include "webkit/glue/webcursor.h"
 #include "webkit/glue/window_open_disposition.h"
 
 // Forward declarations.
@@ skipping 634 matching lines @@
 struct ParamTraits<gfx::Size> {
   typedef gfx::Size param_type;
   static void Write(Message* m, const param_type& p);
   static bool Read(const Message* m, void** iter, param_type* r);
   static void Log(const param_type& p, std::wstring* l);
 };
 
 #if defined(OS_POSIX)
 
 template<>
-struct ParamTraits<FileDescriptor> {
-  typedef FileDescriptor param_type;
+struct ParamTraits<base::FileDescriptor> {
+  typedef base::FileDescriptor param_type;
   static void Write(Message* m, const param_type& p) {
     if (p.auto_close) {
-      m->descriptor_set()->AddAndAutoClose(p.fd);
+      if (!m->descriptor_set()->AddAndAutoClose(p.fd))
+        NOTREACHED();
     } else {
-      m->descriptor_set()->Add(p.fd);
+      if (!m->descriptor_set()->Add(p.fd))
+        NOTREACHED();
     }
   }
   static bool Read(const Message* m, void** iter, param_type* r) {
     r->auto_close = false;
     r->fd = m->descriptor_set()->NextDescriptor();
 
     // We always return true here because some of the IPC message logging
     // functions want to parse the message multiple times. On the second and
     // later attempts, the descriptor_set will be empty and so will return -1,
     // however, failing to parse at log time is a fatal error.
@@ skipping 687 matching lines @@
     l->append(L"<FindInPageRequest>");
   }
 };
 
 //-----------------------------------------------------------------------------
 
 }  // namespace IPC
 
 #endif  // CHROME_COMMON_IPC_MESSAGE_UTILS_H_