src/hotspot/share/memory/arena.hpp

*** 1,7 ****
  /*
!  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 197,212 ****
        return old;
      }
    }
  
    // Fast delete in area.  Common case is: NOP (except for storage reclaimed)
!   void Afree(void *ptr, size_t size) {
  #ifdef ASSERT
      if (ZapResourceArea) memset(ptr, badResourceValue, size); // zap freed memory
!     if (UseMallocOnly) return;
  #endif
!     if (((char*)ptr) + size == _hwm) _hwm = (char*)ptr;
    }
  
    void *Arealloc( void *old_ptr, size_t old_size, size_t new_size,
        AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM);
  
--- 197,218 ----
        return old;
      }
    }
  
    // Fast delete in area.  Common case is: NOP (except for storage reclaimed)
!   bool Afree(void *ptr, size_t size) {
  #ifdef ASSERT
      if (ZapResourceArea) memset(ptr, badResourceValue, size); // zap freed memory
!     if (UseMallocOnly) return true;
  #endif
!     if (((char*)ptr) + size == _hwm) {
!       _hwm = (char*)ptr;
!       return true;
!     } else {
!       // Unable to fast free, so we just drop it.
!       return false;
!     }
    }
  
    void *Arealloc( void *old_ptr, size_t old_size, size_t new_size,
        AllocFailType alloc_failmode = AllocFailStrategy::EXIT_OOM);