VM: Service isolate under precompilation.

runtime/include/dart_api.h

 /*
  * 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.
  */
 
 #ifndef INCLUDE_DART_API_H_
 #define INCLUDE_DART_API_H_
 
 /** \mainpage Dart Embedding API Reference
@@ skipping 2697 matching lines @@
  * Gets the library for the root script for the current isolate.
  *
  * If the root script has not yet been set for the current isolate,
  * this function returns Dart_Null().  This function never returns an
  * error handle.
  *
  * \return Returns the root Library for the current isolate or Dart_Null().
  */
 DART_EXPORT Dart_Handle Dart_RootLibrary();
 
+
+/**
+ * Sets the root library for the current isolate.
+ *
+ * \return Returns an error handle if `library` is not a library handle.
+ */
+DART_EXPORT Dart_Handle Dart_SetRootLibrary(Dart_Handle library);
+
+
 /**
  * Lookup or instantiate a type by name and type arguments from a Library.
  *
  * \param library The library containing the class or interface.
  * \param class_name The class name for the type.
  * \param number_of_type_arguments Number of type arguments.
  *   For non parametric types the number of type arguments would be 0.
  * \param type_arguments Pointer to an array of type arguments.
  *   For non parameteric types a NULL would be passed in for this argument.
  *
@@ skipping 215 matching lines @@
 
 DART_EXPORT Dart_Handle Dart_CreatePrecompiledSnapshot(
     uint8_t** vm_isolate_snapshot_buffer,
     intptr_t* vm_isolate_snapshot_size,
     uint8_t** isolate_snapshot_buffer,
     intptr_t* isolate_snapshot_size,
     uint8_t** instructions_snapshot_buffer,
     intptr_t* instructions_snapshot_size);
 
 #endif  /* INCLUDE_DART_API_H_ */  /* NOLINT */