Remove GC prologue and epilogue callbacks.

runtime/vm/dart_api_impl.cc

 // Copyright (c) 2013, 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 "include/dart_api.h"
 #include "include/dart_mirrors_api.h"
 #include "include/dart_native_api.h"
 
 #include "lib/stacktrace.h"
 #include "platform/assert.h"
@@ skipping 1004 matching lines @@
   NoSafepointScope no_safepoint_scope;
   ASSERT(isolate == Isolate::Current());
   ApiState* state = isolate->api_state();
   ASSERT(state != NULL);
   FinalizablePersistentHandle* weak_ref =
       FinalizablePersistentHandle::Cast(object);
   weak_ref->EnsureFreeExternal(isolate);
   state->weak_persistent_handles().FreeHandle(weak_ref);
 }
 
-// --- Garbage Collection Callbacks --
-
-DART_EXPORT Dart_Handle
-Dart_SetGcCallbacks(Dart_GcPrologueCallback prologue_callback,
-                    Dart_GcEpilogueCallback epilogue_callback) {
-  Thread* thread = Thread::Current();
-  Isolate* isolate = thread->isolate();
-  CHECK_ISOLATE(isolate);
-  DARTSCOPE(thread);
-  if (prologue_callback != NULL) {
-    if (isolate->gc_prologue_callback() != NULL) {
-      return Api::NewError(
-          "%s permits only one gc prologue callback to be registered, please "
-          "remove the existing callback and then add this callback",
-          CURRENT_FUNC);
-    }
-  } else {
-    if (isolate->gc_prologue_callback() == NULL) {
-      return Api::NewError(
-          "%s expects 'prologue_callback' to be present in the callback set.",
-          CURRENT_FUNC);
-    }
-  }
-  if (epilogue_callback != NULL) {
-    if (isolate->gc_epilogue_callback() != NULL) {
-      return Api::NewError(
-          "%s permits only one gc epilogue callback to be registered, please "
-          "remove the existing callback and then add this callback",
-          CURRENT_FUNC);
-    }
-  } else {
-    if (isolate->gc_epilogue_callback() == NULL) {
-      return Api::NewError(
-          "%s expects 'epilogue_callback' to be present in the callback set.",
-          CURRENT_FUNC);
-    }
-  }
-  isolate->set_gc_prologue_callback(prologue_callback);
-  isolate->set_gc_epilogue_callback(epilogue_callback);
-  return Api::Success();
-}
-
 // --- Initialization and Globals ---
 
 DART_EXPORT const char* Dart_VersionString() {
   return Version::String();
 }
 
 DART_EXPORT char* Dart_Initialize(Dart_InitializeParams* params) {
   if (params == NULL) {
     return strdup(
         "Dart_Initialize: "
@@ skipping 5664 matching lines @@
 #endif
 }
 
 DART_EXPORT void Dart_DumpNativeStackTrace(void* context) {
 #ifndef PRODUCT
   Profiler::DumpStackTrace(context);
 #endif
 }
 
 }  // namespace dart