# HG changeset patch
# User Yasumasa Suenaga  <yasuenag@gmail.com>
# Date 1522634216 -32400
# Node ID a4e61cec5f0e181a00bf8a2a5eb2060396af438a
# Parent  c8b1c5b3c6839f925a400ebeb9df36961ad2be49
Bug 3527: Remove unused code for deadlock detector
Reviewed-by: ykubota
https://github.com/HeapStats/heapstats/pull/132

diff -r c8b1c5b3c683 -r a4e61cec5f0e ChangeLog
--- a/ChangeLog	Thu Mar 29 13:43:09 2018 +0900
+++ b/ChangeLog	Mon Apr 02 10:56:56 2018 +0900
@@ -1,3 +1,7 @@
+2018-04-02 Yasumasa Suenaga <yasuenag@gmail.com>
+
+	* Bug 3527: Remove unused code for deadlock detector
+
 2018-03-29 KUBOTA Yuji <kubota.yuji@lab.ntt.co.jp>
 
 	* Bump to 2.1
diff -r c8b1c5b3c683 -r a4e61cec5f0e agent/src/heapstats-engines/vmFunctions.cpp
--- a/agent/src/heapstats-engines/vmFunctions.cpp	Thu Mar 29 13:43:09 2018 +0900
+++ b/agent/src/heapstats-engines/vmFunctions.cpp	Mon Apr 02 10:56:56 2018 +0900
@@ -1,7 +1,7 @@
 /*!
  * \file vmFunctions.cpp
  * \brief This file includes functions in HotSpot VM.<br>
- * Copyright (C) 2014-2017 Yasumasa Suenaga
+ * Copyright (C) 2014-2018 Yasumasa Suenaga
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -198,14 +198,6 @@
     }
   }
 
-  /* Search "ObjectSynchronizer::get_lock_owner()" function symbol. */
-  getLockOwner = (TGetLockOwner) this->symFinder->findSymbol(
-                                                           GETLOCKOWNER_SYMBOL);
-  if (unlikely(getLockOwner == NULL)) {
-    logger->printWarnMsg("ObjectSynchronizer::get_lock_owner() not found.");
-    return false;
-  }
-
   /* Search "ThreadSafepointState::create()" function symbol. */
   threadSafepointStateCreate = (TVMThreadFunction) this->symFinder->findSymbol(
                                             THREADSAFEPOINTSTATE_CREATE_SYMBOL);
diff -r c8b1c5b3c683 -r a4e61cec5f0e agent/src/heapstats-engines/vmFunctions.hpp
--- a/agent/src/heapstats-engines/vmFunctions.hpp	Thu Mar 29 13:43:09 2018 +0900
+++ b/agent/src/heapstats-engines/vmFunctions.hpp	Mon Apr 02 10:56:56 2018 +0900
@@ -1,7 +1,7 @@
 /*!
  * \file vmFunctions.hpp
  * \brief This file includes functions in HotSpot VM.
- * Copyright (C) 2014-2017 Yasumasa Suenaga
+ * Copyright (C) 2014-2018 Yasumasa Suenaga
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -136,11 +136,6 @@
 
 
 /*!
- * \brief Symbol of ObjectSynchronizer::get_lock_owner().
- */
-#define GETLOCKOWNER_SYMBOL "_ZN18ObjectSynchronizer14get_lock_ownerE6Handleb"
-
-/*!
  * \brief Symbol of ThreadSafepointState::create().
  */
 #define THREADSAFEPOINTSTATE_CREATE_SYMBOL \
@@ -271,16 +266,6 @@
 typedef void (*TSR_Handler)(int sig, siginfo_t *siginfo, ucontext_t *context);
 
 /*!
- * \brief function type of
- * "JavaThread* ObjectSynchronizer::get_lock_owner(Handle h_obj, bool doLock)".
- * \param monitor_oop [in] Target monitor oop.
- * \param doLock      [in] Enable oop lock.
- * \return Monitor owner thread oop.<br>
- *         Value is NULL, if owner is none.
- */
-typedef void *(*TGetLockOwner)(void *monitor_oop, bool doLock);
-
-/*!
  * \brief function type of common thread operation.
  * \param thread [in] Target thread object is inner JVM class instance.
  */
@@ -364,11 +349,6 @@
   TSR_Handler sr_handler;
 
   /*!
-   * \brief Function pointer for "ObjectSynchronizer::get_lock_owner()".
-   */
-  TGetLockOwner getLockOwner;
-
-  /*!
    * \brief Function pointer for "ThreadSafepointState::create()".
    */
   TVMThreadFunction threadSafepointStateCreate;
@@ -476,10 +456,6 @@
 
   inline void *GetSRHandlerPointer(void) { return (void *)sr_handler; }
 
-  inline void *GetLockOwner(void *monitor_oop, bool doLock) {
-    return getLockOwner(monitor_oop, doLock);
-  }
-
   inline void ThreadSafepointStateCreate(void *thread) {
     threadSafepointStateCreate(thread);
   }