/*

 * Copyright (c) 1997, 2008, 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.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

inline const char* os::file_separator()                { return "\\"; }

inline const char* os::line_separator()                { return "\r\n"; }

inline const char* os::path_separator()                { return ";"; }

inline const char* os::jlong_format_specifier()        { return "%I64d"; }

inline const char* os::julong_format_specifier()       { return "%I64u"; }

// File names are case-insensitive on windows only

inline int os::file_name_strcmp(const char* s, const char* t) {

  return _stricmp(s, t);

}

// Used to improve time-sharing on some systems

inline void os::loop_breaker(int attempts) {}

inline bool os::obsolete_option(const JavaVMOption *option) {

  return false;

}

inline bool os::uses_stack_guard_pages() {

  return os::win32::is_nt();

}

inline bool os::allocate_stack_guard_pages() {

  assert(uses_stack_guard_pages(), "sanity check");

  return true;

}

inline int os::readdir_buf_size(const char *path)

{

  /* As Windows doesn't use the directory entry buffer passed to

     os::readdir() this can be as short as possible */

  return 1;

}

// Bang the shadow pages if they need to be touched to be mapped.

inline void os::bang_stack_shadow_pages() {

  // Write to each page of our new frame to force OS mapping.

  // If we decrement stack pointer more than one page

  // the OS may not map an intervening page into our space

  // and may fault on a memory access to interior of our frame.

  address sp = current_stack_pointer();

  for (int pages = 1; pages <= StackShadowPages; pages++) {

    *((int *)(sp - (pages * vm_page_size()))) = 0;

  }

}

inline bool os::numa_has_static_binding()   { return true;   }

inline bool os::numa_has_group_homing()     { return false;  }