src/os/windows/vm/os_windows.inline.hpp

Tue, 23 Nov 2010 13:22:55 -0800

author
stefank
date
Tue, 23 Nov 2010 13:22:55 -0800
changeset 2314
f95d63e2154a
parent 1907
c18cbe5936b8
child 2322
828eafbd85cc
permissions
-rw-r--r--

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

duke@435 1 /*
stefank@2314 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #ifndef OS_WINDOWS_VM_OS_WINDOWS_INLINE_HPP
stefank@2314 26 #define OS_WINDOWS_VM_OS_WINDOWS_INLINE_HPP
stefank@2314 27
stefank@2314 28 #include "runtime/atomic.hpp"
stefank@2314 29 #include "runtime/os.hpp"
stefank@2314 30 #ifdef TARGET_OS_ARCH_windows_x86
stefank@2314 31 # include "atomic_windows_x86.inline.hpp"
stefank@2314 32 # include "orderAccess_windows_x86.inline.hpp"
stefank@2314 33 #endif
stefank@2314 34
duke@435 35 inline const char* os::file_separator() { return "\\"; }
duke@435 36 inline const char* os::line_separator() { return "\r\n"; }
duke@435 37 inline const char* os::path_separator() { return ";"; }
duke@435 38
duke@435 39 inline const char* os::jlong_format_specifier() { return "%I64d"; }
duke@435 40 inline const char* os::julong_format_specifier() { return "%I64u"; }
duke@435 41
duke@435 42 // File names are case-insensitive on windows only
duke@435 43 inline int os::file_name_strcmp(const char* s, const char* t) {
duke@435 44 return _stricmp(s, t);
duke@435 45 }
duke@435 46
duke@435 47 // Used to improve time-sharing on some systems
duke@435 48 inline void os::loop_breaker(int attempts) {}
duke@435 49
duke@435 50 inline bool os::obsolete_option(const JavaVMOption *option) {
duke@435 51 return false;
duke@435 52 }
duke@435 53
duke@435 54 inline bool os::uses_stack_guard_pages() {
duke@435 55 return os::win32::is_nt();
duke@435 56 }
duke@435 57
duke@435 58 inline bool os::allocate_stack_guard_pages() {
duke@435 59 assert(uses_stack_guard_pages(), "sanity check");
duke@435 60 return true;
duke@435 61 }
duke@435 62
duke@435 63 inline int os::readdir_buf_size(const char *path)
duke@435 64 {
duke@435 65 /* As Windows doesn't use the directory entry buffer passed to
duke@435 66 os::readdir() this can be as short as possible */
duke@435 67
duke@435 68 return 1;
duke@435 69 }
duke@435 70
duke@435 71 // Bang the shadow pages if they need to be touched to be mapped.
duke@435 72 inline void os::bang_stack_shadow_pages() {
duke@435 73 // Write to each page of our new frame to force OS mapping.
duke@435 74 // If we decrement stack pointer more than one page
duke@435 75 // the OS may not map an intervening page into our space
duke@435 76 // and may fault on a memory access to interior of our frame.
duke@435 77 address sp = current_stack_pointer();
duke@435 78 for (int pages = 1; pages <= StackShadowPages; pages++) {
duke@435 79 *((int *)(sp - (pages * vm_page_size()))) = 0;
duke@435 80 }
duke@435 81 }
iveresov@576 82
iveresov@576 83 inline bool os::numa_has_static_binding() { return true; }
iveresov@576 84 inline bool os::numa_has_group_homing() { return false; }
stefank@2314 85
stefank@2314 86 #endif // OS_WINDOWS_VM_OS_WINDOWS_INLINE_HPP

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