Revert "Send SIGPROF signals on the profiler event processor thread"

test/cctest/test-cpu-profiler.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 //
 // Tests of profiles generator and utilities.
 
 #include "v8.h"
 #include "cpu-profiler-inl.h"
 #include "cctest.h"
 #include "../include/v8-profiler.h"
 
 using i::CodeEntry;
 using i::CpuProfile;
 using i::CpuProfiler;
 using i::CpuProfilesCollection;
 using i::ProfileGenerator;
 using i::ProfileNode;
 using i::ProfilerEventsProcessor;
 using i::TokenEnumerator;
 
 
 TEST(StartStop) {
   CpuProfilesCollection profiles;
   ProfileGenerator generator(&profiles);
-  ProfilerEventsProcessor processor(&generator, NULL, 100);
+  ProfilerEventsProcessor processor(&generator);
   processor.Start();
   processor.Stop();
   processor.Join();
 }
 
 static v8::Persistent<v8::Context> env;
 
 static void InitializeVM() {
   if (env.IsEmpty()) env = v8::Context::New();
   v8::HandleScope scope;
@@ skipping 43 matching lines @@
 
 TEST(CodeEvents) {
   InitializeVM();
   i::Isolate* isolate = i::Isolate::Current();
   i::Heap* heap = isolate->heap();
   i::Factory* factory = isolate->factory();
   TestSetup test_setup;
   CpuProfilesCollection profiles;
   profiles.StartProfiling("", 1);
   ProfileGenerator generator(&profiles);
-  ProfilerEventsProcessor processor(&generator, NULL, 100);
+  ProfilerEventsProcessor processor(&generator);
   processor.Start();
 
   // Enqueue code creation events.
   i::HandleScope scope(isolate);
   const char* aaa_str = "aaa";
   i::Handle<i::String> aaa_name = factory->NewStringFromAscii(
       i::Vector<const char>(aaa_str, i::StrLength(aaa_str)));
   processor.CodeCreateEvent(i::Logger::FUNCTION_TAG,
                             *aaa_name,
                             heap->empty_string(),
@@ skipping 40 matching lines @@
 template<typename T>
 static int CompareProfileNodes(const T* p1, const T* p2) {
   return strcmp((*p1)->entry()->name(), (*p2)->entry()->name());
 }
 
 TEST(TickEvents) {
   TestSetup test_setup;
   CpuProfilesCollection profiles;
   profiles.StartProfiling("", 1);
   ProfileGenerator generator(&profiles);
-  ProfilerEventsProcessor processor(&generator, NULL, 100);
+  ProfilerEventsProcessor processor(&generator);
   processor.Start();
 
   processor.CodeCreateEvent(i::Logger::BUILTIN_TAG,
                             "bbb",
                             ToAddress(0x1200),
                             0x80);
   processor.CodeCreateEvent(i::Logger::STUB_TAG, 5, ToAddress(0x1300), 0x10);
   processor.CodeCreateEvent(i::Logger::BUILTIN_TAG,
                             "ddd",
                             ToAddress(0x1400),
@@ skipping 69 matching lines @@
 }
 
 
 // http://code.google.com/p/v8/issues/detail?id=1398
 // Long stacks (exceeding max frames limit) must not be erased.
 TEST(Issue1398) {
   TestSetup test_setup;
   CpuProfilesCollection profiles;
   profiles.StartProfiling("", 1);
   ProfileGenerator generator(&profiles);
-  ProfilerEventsProcessor processor(&generator, NULL, 100);
+  ProfilerEventsProcessor processor(&generator);
   processor.Start();
 
   processor.CodeCreateEvent(i::Logger::BUILTIN_TAG,
                             "bbb",
                             ToAddress(0x1200),
                             0x80);
 
   i::TickSample* sample = processor.TickSampleEvent();
   sample->pc = ToAddress(0x1200);
   sample->tos = 0;
@@ skipping 144 matching lines @@
   CHECK_EQ(NULL, v8::CpuProfiler::FindProfile(uid2));
   CHECK_EQ(p3, v8::CpuProfiler::FindProfile(uid3));
   const_cast<v8::CpuProfile*>(p2)->Delete();
   CHECK_EQ(1, v8::CpuProfiler::GetProfilesCount());
   CHECK_EQ(NULL, v8::CpuProfiler::FindProfile(uid2));
   CHECK_EQ(p3, v8::CpuProfiler::FindProfile(uid3));
   const_cast<v8::CpuProfile*>(p3)->Delete();
   CHECK_EQ(0, CpuProfiler::GetProfilesCount());
   CHECK_EQ(NULL, v8::CpuProfiler::FindProfile(uid3));
 }