Automatic thread cleanup on non-Windows platforms.

runtime/vm/dart.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 "vm/dart.h"
 
 #include "vm/code_observers.h"
 #include "vm/cpu.h"
 #include "vm/dart_api_state.h"
 #include "vm/dart_entry.h"
@@ skipping 99 matching lines @@
   // Create the read-only handles area.
   ASSERT(predefined_handles_ == NULL);
   predefined_handles_ = new ReadOnlyHandles();
   // Create the VM isolate and finish the VM initialization.
   ASSERT(thread_pool_ == NULL);
   thread_pool_ = new ThreadPool();
   {
     ASSERT(vm_isolate_ == NULL);
     ASSERT(Flags::Initialized());
     const bool is_vm_isolate = true;
+    Thread::EnsureInit();
     vm_isolate_ = Isolate::Init("vm-isolate", is_vm_isolate);
     StackZone zone(vm_isolate_);
     HandleScope handle_scope(vm_isolate_);
     Heap::Init(vm_isolate_,
                0,  // New gen size 0; VM isolate should only allocate in old.
                FLAG_old_gen_heap_size * MBInWords,
                FLAG_external_max_size * MBInWords);
     ObjectStore::Init(vm_isolate_);
     TargetCPUFeatures::InitOnce();
     Object::InitOnce(vm_isolate_);
@@ skipping 69 matching lines @@
   if (vm_isolate_ == NULL) {
     return "VM already terminated.";
   }
 
   ASSERT(Isolate::Current() == NULL);
 
   delete thread_pool_;
   thread_pool_ = NULL;
 
   // Set the VM isolate as current isolate.
+  Thread::EnsureInit();
   Thread::EnterIsolate(vm_isolate_);
 
   // There is a planned and known asymmetry here: We exit one scope for the VM
   // isolate to account for the scope that was entered in Dart_InitOnce.
   Dart_ExitScope();
 
   ShutdownIsolate();
   vm_isolate_ = NULL;
 
   TargetCPUFeatures::Cleanup();
@@ skipping 129 matching lines @@
   return predefined_handles_->handles_.AllocateScopedHandle();
 }
 
 
 bool Dart::IsReadOnlyHandle(uword address) {
   ASSERT(predefined_handles_ != NULL);
   return predefined_handles_->handles_.IsValidScopedHandle(address);
 }
 
 }  // namespace dart