Pass self to lock methods.

This avoids frequent recomputation of
Thread::Current/pthread_getspecific.

Also add a futex based reader/writer mutex that is disabled.

Change-Id: I118fdb99ef1d1c4bfda6446ba3a0d8b6ab31eaee

1 files changed, 0 insertions, 15 deletions

diff --git a/src/stack.cc b/src/stack.cc
index 2567c50568..7ec57b41b2 100644
--- a/src/stack.cc
+++ b/src/stack.cc
@@ -24,21 +24,6 @@
 
 namespace art {
 
-void ManagedStack::PushManagedStackFragment(ManagedStack* fragment) {
-  // Copy this top fragment into given fragment.
-  memcpy(fragment, this, sizeof(ManagedStack));
-  // Clear this fragment, which has become the top.
-  memset(this, 0, sizeof(ManagedStack));
-  // Link our top fragment onto the given fragment.
-  link_ = fragment;
-}
-
-void ManagedStack::PopManagedStackFragment(const ManagedStack& fragment) {
-  DCHECK(&fragment == link_);
-  // Copy this given fragment back to the top.
-  memcpy(this, &fragment, sizeof(ManagedStack));
-}
-
 size_t ManagedStack::NumShadowFrameReferences() const {
   size_t count = 0;
   for (const ManagedStack* current_fragment = this; current_fragment != NULL;