[dart:io] Namespaces for file IO

runtime/bin/process_macos.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/globals.h"
 #if defined(HOST_OS_MACOS)
 
 #include "bin/process.h"
 
 #if !HOST_OS_IOS
 #include <crt_externs.h>  // NOLINT
 #endif
 #include <errno.h>      // NOLINT
 #include <fcntl.h>      // NOLINT
 #include <mach/mach.h>  // NOLINT
 #include <poll.h>       // NOLINT
 #include <signal.h>     // NOLINT
 #include <stdio.h>      // NOLINT
 #include <stdlib.h>     // NOLINT
 #include <string.h>     // NOLINT
 #include <unistd.h>     // NOLINT
 
 #include "bin/dartutils.h"
 #include "bin/fdutils.h"
 #include "bin/lockers.h"
 #include "bin/log.h"
+#include "bin/namespace.h"
 #include "bin/thread.h"
 
 #include "platform/signal_blocker.h"
 #include "platform/utils.h"
 
 namespace dart {
 namespace bin {
 
 int Process::global_exit_code_ = 0;
 Mutex* Process::global_exit_code_mutex_ = new Mutex();
@@ skipping 695 matching lines @@
   intptr_t* out_;
   intptr_t* err_;
   intptr_t* id_;
   intptr_t* exit_event_;
   char** os_error_message_;
 
   DISALLOW_ALLOCATION();
   DISALLOW_IMPLICIT_CONSTRUCTORS(ProcessStarter);
 };
 
-int Process::Start(const char* path,
+int Process::Start(Namespace* namespc,
+                   const char* path,
                    char* arguments[],
                    intptr_t arguments_length,
                    const char* working_directory,
                    char* environment[],
                    intptr_t environment_length,
                    ProcessStartMode mode,
                    intptr_t* in,
                    intptr_t* out,
                    intptr_t* err,
                    intptr_t* id,
@@ skipping 320 matching lines @@
     bzero(&act, sizeof(act));
     act.sa_handler = SIG_DFL;
     VOID_NO_RETRY_EXPECTED(sigaction(signal, &act, NULL));
   }
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(HOST_OS_MACOS)