/*+
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 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.+
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.+
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 *+
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 * This code is free software; you can redistribute it and/or modify it+
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 * under the terms of the GNU General Public License version 2 only, as+
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 * published by the Free Software Foundation.+
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 *+
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 * This code is distributed in the hope that it will be useful, but WITHOUT+
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or+
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License+
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 * version 2 for more details (a copy is included in the LICENSE file that+
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 * accompanied this code).+
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 *+
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 * You should have received a copy of the GNU General Public License version+
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 * 2 along with this work; if not, write to the Free Software Foundation,+
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.+
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 *+
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA+
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 * or visit www.oracle.com if you need additional information or have any+
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 * questions.+
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 *+
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 */+
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+
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#ifndef OS_WINDOWS_VM_OS_WINDOWS_INLINE_HPP+
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#define OS_WINDOWS_VM_OS_WINDOWS_INLINE_HPP+
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+
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#include "runtime/os.hpp"+
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+
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inline const char* os::dll_file_extension()            { return ".dll"; }+
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+
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inline const int os::default_file_open_flags() { return O_BINARY | O_NOINHERIT;}+
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+
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// File names are case-insensitive on windows only+
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inline int os::file_name_strcmp(const char* s, const char* t) {+
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  return _stricmp(s, t);+
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}+
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+
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inline void  os::dll_unload(void *lib) {+
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  ::FreeLibrary((HMODULE)lib);+
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}+
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+
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inline void* os::dll_lookup(void *lib, const char *name) {+
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  return (void*)::GetProcAddress((HMODULE)lib, name);+
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}+
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+
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inline bool os::obsolete_option(const JavaVMOption *option) {+
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  return false;+
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}+
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+
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inline bool os::uses_stack_guard_pages() {+
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  return os::win32::is_nt();+
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}+
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+
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inline bool os::allocate_stack_guard_pages() {+
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  assert(uses_stack_guard_pages(), "sanity check");+
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  return true;+
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}+
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+
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inline int os::readdir_buf_size(const char *path)+
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{+
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  /* As Windows doesn't use the directory entry buffer passed to+
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     os::readdir() this can be as short as possible */+
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+
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  return 1;+
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}+
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+
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// Bang the shadow pages if they need to be touched to be mapped.+
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inline void os::bang_stack_shadow_pages() {+
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  // Write to each page of our new frame to force OS mapping.+
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  // If we decrement stack pointer more than one page+
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  // the OS may not map an intervening page into our space+
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  // and may fault on a memory access to interior of our frame.+
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  address sp = current_stack_pointer();+
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  for (int pages = 1; pages <= StackShadowPages; pages++) {+
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    *((int *)(sp - (pages * vm_page_size()))) = 0;+
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  }+
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}+
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+
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inline bool os::numa_has_static_binding()   { return true;   }+
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inline bool os::numa_has_group_homing()     { return false;  }+
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+
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inline size_t os::read(int fd, void *buf, unsigned int nBytes) {+
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  return ::read(fd, buf, nBytes);+
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}+
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+
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inline size_t os::restartable_read(int fd, void *buf, unsigned int nBytes) {+
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  return ::read(fd, buf, nBytes);+
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}+
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+
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inline size_t os::write(int fd, const void *buf, unsigned int nBytes) {+
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  return ::write(fd, buf, nBytes);+
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}+
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+
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inline int os::close(int fd) {+
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  return ::close(fd);+
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}+
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+
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inline bool os::supports_monotonic_clock() {+
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  return win32::_has_performance_count;+
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}+
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+
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inline void os::exit(int num) {+
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  win32::exit_process_or_thread(win32::EPT_PROCESS, num);+
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}+
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+
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#endif // OS_WINDOWS_VM_OS_WINDOWS_INLINE_HPP+
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