Remove preemption thread and API

test/cctest/test-api.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 14463 matching lines @@
   // result has the 'x' property.
   context1->Enter();
   context1->Global()->Set(v8_str("other"), context0->Global());
   Local<Value> value = CompileRun("var instance = new other.C(); instance.x");
   CHECK(value->IsInt32());
   CHECK_EQ(42, value->Int32Value());
   context1->Exit();
 }
 
 
-class ApplyInterruptTest {
- public:
-  ApplyInterruptTest() : block_(0) {}
-  ~ApplyInterruptTest() {}
-  void RunTest() {
-    gc_count_ = 0;
-    gc_during_apply_ = 0;
-    apply_success_ = false;
-    gc_success_ = false;
-    GCThread gc_thread(this);
-    gc_thread.Start();
-    v8::Isolate* isolate = CcTest::isolate();
-    v8::Locker::StartPreemption(isolate, 1);
-
-    LongRunningApply();
-    {
-      v8::Unlocker unlock(isolate);
-      gc_thread.Join();
-    }
-    v8::Locker::StopPreemption(isolate);
-    CHECK(apply_success_);
-    CHECK(gc_success_);
-  }
-
- private:
-  // Number of garbage collections required.
-  static const int kRequiredGCs = 2;
-
-  class GCThread : public i::Thread {
-   public:
-    explicit GCThread(ApplyInterruptTest* test)
-        : Thread("GCThread"), test_(test) {}
-    virtual void Run() {
-      test_->CollectGarbage();
-    }
-   private:
-     ApplyInterruptTest* test_;
-  };
-
-  void CollectGarbage() {
-    block_.Wait();
-    while (gc_during_apply_ < kRequiredGCs) {
-      {
-        v8::Locker lock(CcTest::isolate());
-        v8::Isolate::Scope isolate_scope(CcTest::isolate());
-        CcTest::heap()->CollectAllGarbage(i::Heap::kNoGCFlags);
-        gc_count_++;
-      }
-      i::OS::Sleep(1);
-    }
-    gc_success_ = true;
-  }
-
-  void LongRunningApply() {
-    block_.Signal();
-    int rounds = 0;
-    while (gc_during_apply_ < kRequiredGCs) {
-      int gc_before = gc_count_;
-      {
-        const char* c_source =
-            "function do_very_little(bar) {"
-            "  this.foo = bar;"
-            "}"
-            "for (var i = 0; i < 100000; i++) {"
-            "  do_very_little.apply(this, ['bar']);"
-            "}";
-        Local<String> source = String::New(c_source);
-        Local<Script> script = Script::Compile(source);
-        Local<Value> result = script->Run();
-        // Check that no exception was thrown.
-        CHECK(!result.IsEmpty());
-      }
-      int gc_after = gc_count_;
-      gc_during_apply_ += gc_after - gc_before;
-      rounds++;
-    }
-    apply_success_ = true;
-  }
-
-  i::Semaphore block_;
-  int gc_count_;
-  int gc_during_apply_;
-  bool apply_success_;
-  bool gc_success_;
-};
-
-
-// Test that nothing bad happens if we get a preemption just when we were
-// about to do an apply().
-TEST(ApplyInterruption) {
-  v8::Locker lock(CcTest::isolate());
-  v8::V8::Initialize();
-  v8::HandleScope scope(CcTest::isolate());
-  Local<Context> local_env;
-  {
-    LocalContext env;
-    local_env = env.local();
-  }
-
-  // Local context should still be live.
-  CHECK(!local_env.IsEmpty());
-  local_env->Enter();
-
-  // Should complete without problems.
-  ApplyInterruptTest().RunTest();
-
-  local_env->Exit();
-}
-
-
 // Verify that we can clone an object
 TEST(ObjectClone) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
 
   const char* sample =
     "var rv = {};"      \
     "rv.alpha = 'hello';" \
     "rv.beta = 123;"     \
     "rv;";
@@ skipping 6208 matching lines @@
   }
   for (int i = 0; i < runs; i++) {
     Local<String> expected;
     if (i != 0) {
       CHECK_EQ(v8_str("escape value"), values[i]);
     } else {
       CHECK(values[i].IsEmpty());
     }
   }
 }