Clean up a small bit of SharedState cruft.

Author: brixen

vm/environment.cpp

@@ -120,7 +120,7 @@ namespace rubinius {
     delete finalizer_thread_;
 
     VM::discard(state, root_vm);
-    SharedState::discard(shared);
+    delete shared;
     delete state;
 
     for(int i = 0; i < argc_; i++) {

vm/shared_state.cpp

@@ -56,8 +56,6 @@ namespace rubinius {
     , username("")
     , pid("")
   {
-    ref();
-
     internal_threads_ = new InternalThreads();
 
     for(int i = 0; i < Primitives::cTotalPrimitives; i++) {
@@ -94,26 +92,12 @@ namespace rubinius {
     delete internal_threads_;
   }
 
-  void SharedState::add_managed_thread(ManagedThread* thr) {
-    SYNC_TL;
-    threads_.push_back(thr);
-  }
-
-  void SharedState::remove_managed_thread(ManagedThread* thr) {
-    SYNC_TL;
-    threads_.remove(thr);
-  }
-
   int SharedState::size() {
     return sizeof(SharedState) +
       sizeof(WorldState) +
       symbols.bytes_used();
   }
 
-  void SharedState::discard(SharedState* ss) {
-    if(ss->deref()) delete ss;
-  }
-
   uint32_t SharedState::new_thread_id() {
     return atomic::fetch_and_add(&thread_ids_, 1);
   }
@@ -129,8 +113,6 @@ namespace rubinius {
     VM* vm = new VM(id, *this);
     threads_.push_back(vm);
 
-    this->ref();
-
     // If there is no root vm, then the first one created becomes it.
     if(!root_vm_) root_vm_ = vm;
     return vm;
@@ -139,7 +121,6 @@ namespace rubinius {
   void SharedState::remove_vm(VM* vm) {
     SYNC_TL;
     threads_.remove(vm);
-    this->deref();
 
     // Don't delete ourself here, it's too problematic.
   }

vm/shared_state.hpp

@@ -3,7 +3,6 @@
 
 #include "config.h"
 
-#include "util/refcount.hpp"
 #include "gc/variable_buffer.hpp"
 #include "gc/root_buffer.hpp"
 
@@ -85,7 +84,7 @@ namespace rubinius {
    * single process.
    */
 
-  class SharedState : public RefCount, public Lockable {
+  class SharedState : public Lockable {
   private:
     InternalThreads* internal_threads_;
     SignalThread* signal_thread_;
@@ -150,8 +149,6 @@ namespace rubinius {
     SharedState(Environment* env, Configuration& config, ConfigParser& cp);
     ~SharedState();
 
-    static void discard(SharedState* ss);
-
     int size();
 
     void set_initialized() {
@@ -188,9 +185,6 @@ namespace rubinius {
 
     Array* vm_threads(STATE);
 
-    void add_managed_thread(ManagedThread* thr);
-    void remove_managed_thread(ManagedThread* thr);
-
     int global_serial() const {
       return global_serial_;
     }

vm/test/test.hpp

@@ -8,6 +8,7 @@
 #include "configuration.hpp"
 #include "metrics.hpp"
 #include "vm/detection.hpp"
+#include "vm/gc/immix_marker.hpp"
 
 #include <cxxtest/TestSuite.h>
 
@@ -30,8 +31,14 @@ class VMTest {
   }
 
   void destroy() {
+    if(ObjectMemory* om = state->memory()) {
+      if(ImmixMarker* im = om->immix_marker()) {
+        im->stop(state);
+      }
+    }
+
     VM::discard(state, state->vm());
-    SharedState::discard(shared);
+    delete shared;
     delete state;
   }
 

vm/util/refcount.hpp

@@ -9,7 +9,6 @@
 #include "gc/managed.hpp"
 #include "vm_thread_state.hpp"
 
-#include "util/refcount.hpp"
 #include "util/thread.hpp"
 
 #include "gc/variable_buffer.hpp"