1 /*
   2  * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *

 133                      size_t capacity, bool read_only, bool allow_exec);
 134   void  write_bytes(const void* buffer, int count);
 135   void  write_bytes_aligned(const void* buffer, int count);
 136   char* map_region(int i);
 137   void  unmap_region(int i);
 138   void  close();
 139   bool  is_open() { return _file_open; }
 140   ReservedSpace reserve_shared_memory();
 141 
 142   // JVM/TI RedefineClasses() support:
 143   // Remap the shared readonly space to shared readwrite, private.
 144   bool  remap_shared_readonly_as_readwrite();
 145 
 146   // Errors.
 147   static void fail_stop(const char *msg, ...);
 148   void fail_continue(const char *msg, ...);
 149 
 150   // Return true if given address is in the mapped shared space.
 151   bool is_in_shared_space(const void* p) NOT_CDS_RETURN_(false);
 152   void print_shared_spaces() NOT_CDS_RETURN;









 153 };
 154 
 155 #endif // SHARE_VM_MEMORY_FILEMAP_HPP

   1 /*
   2  * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *

 133                      size_t capacity, bool read_only, bool allow_exec);
 134   void  write_bytes(const void* buffer, int count);
 135   void  write_bytes_aligned(const void* buffer, int count);
 136   char* map_region(int i);
 137   void  unmap_region(int i);
 138   void  close();
 139   bool  is_open() { return _file_open; }
 140   ReservedSpace reserve_shared_memory();
 141 
 142   // JVM/TI RedefineClasses() support:
 143   // Remap the shared readonly space to shared readwrite, private.
 144   bool  remap_shared_readonly_as_readwrite();
 145 
 146   // Errors.
 147   static void fail_stop(const char *msg, ...);
 148   void fail_continue(const char *msg, ...);
 149 
 150   // Return true if given address is in the mapped shared space.
 151   bool is_in_shared_space(const void* p) NOT_CDS_RETURN_(false);
 152   void print_shared_spaces() NOT_CDS_RETURN;
 153 
 154   static size_t shared_spaces_size() {
 155     return align_size_up(SharedReadOnlySize + SharedReadWriteSize +
 156                          SharedMiscDataSize + SharedMiscCodeSize,
 157                          os::vm_allocation_granularity());
 158   }
 159 
 160   // Stop CDS sharing and unmap CDS regions.
 161   static void stop_sharing_and_unmap(const char* msg);
 162 };
 163 
 164 #endif // SHARE_VM_MEMORY_FILEMAP_HPP