os_windows.inline.hpp revision 141
0N/A/*
0N/A * Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
0N/A * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
0N/A * CA 95054 USA or visit www.sun.com if you need additional information or
0N/A * have any questions.
0N/A *
0N/A */
0N/A
0N/Ainline const char* os::file_separator() { return "\\"; }
0N/Ainline const char* os::line_separator() { return "\r\n"; }
0N/Ainline const char* os::path_separator() { return ";"; }
0N/A
0N/Ainline const char* os::jlong_format_specifier() { return "%I64d"; }
0N/Ainline const char* os::julong_format_specifier() { return "%I64u"; }
0N/A
0N/A// File names are case-insensitive on windows only
0N/Ainline int os::file_name_strcmp(const char* s, const char* t) {
0N/A return _stricmp(s, t);
0N/A}
0N/A
0N/A// Used to improve time-sharing on some systems
0N/Ainline void os::loop_breaker(int attempts) {}
0N/A
0N/Ainline bool os::obsolete_option(const JavaVMOption *option) {
0N/A return false;
0N/A}
0N/A
0N/Ainline bool os::uses_stack_guard_pages() {
0N/A return os::win32::is_nt();
0N/A}
0N/A
0N/Ainline bool os::allocate_stack_guard_pages() {
0N/A assert(uses_stack_guard_pages(), "sanity check");
0N/A return true;
0N/A}
0N/A
0N/Ainline int os::readdir_buf_size(const char *path)
0N/A{
0N/A /* As Windows doesn't use the directory entry buffer passed to
0N/A os::readdir() this can be as short as possible */
0N/A
0N/A return 1;
0N/A}
0N/A
0N/A// Bang the shadow pages if they need to be touched to be mapped.
0N/Ainline void os::bang_stack_shadow_pages() {
0N/A // Write to each page of our new frame to force OS mapping.
0N/A // If we decrement stack pointer more than one page
0N/A // the OS may not map an intervening page into our space
0N/A // and may fault on a memory access to interior of our frame.
0N/A address sp = current_stack_pointer();
0N/A for (int pages = 1; pages <= StackShadowPages; pages++) {
0N/A *((int *)(sp - (pages * vm_page_size()))) = 0;
0N/A }
0N/A}
141N/A
141N/Ainline bool os::numa_has_static_binding() { return true; }
141N/Ainline bool os::numa_has_group_homing() { return false; }