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      1 // Copyright 2014 the V8 project authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef V8_LIBPLATFORM_LIBPLATFORM_H_
      6 #define V8_LIBPLATFORM_LIBPLATFORM_H_
      7 
      8 #include "include/v8-platform.h"
      9 
     10 namespace v8 {
     11 namespace platform {
     12 
     13 /**
     14  * Returns a new instance of the default v8::Platform implementation.
     15  *
     16  * The caller will take ownership of the returned pointer. |thread_pool_size|
     17  * is the number of worker threads to allocate for background jobs. If a value
     18  * of zero is passed, a suitable default based on the current number of
     19  * processors online will be chosen.
     20  */
     21 v8::Platform* CreateDefaultPlatform(int thread_pool_size = 0);
     22 
     23 
     24 /**
     25  * Pumps the message loop for the given isolate.
     26  *
     27  * The caller has to make sure that this is called from the right thread.
     28  * Returns true if a task was executed, and false otherwise. This call does
     29  * not block if no task is pending. The |platform| has to be created using
     30  * |CreateDefaultPlatform|.
     31  */
     32 bool PumpMessageLoop(v8::Platform* platform, v8::Isolate* isolate);
     33 
     34 
     35 }  // namespace platform
     36 }  // namespace v8
     37 
     38 #endif  // V8_LIBPLATFORM_LIBPLATFORM_H_
     39