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src/os/windows/vm/os_windows.inline.hpp@c18cbe5936b8 (annotated)

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

Thu, 27 May 2010 19:08:38 -0700

author

trims

date

Thu, 27 May 2010 19:08:38 -0700

changeset 1907

c18cbe5936b8

parent 631

d1605aabd0a1

child 2314

f95d63e2154a

permissions

-rw-r--r--

6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

duke@435	1	/*
trims@1907	2	* Copyright (c) 1997, 2008, 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
duke@435	25	inline const char* os::file_separator() { return "\\"; }
duke@435	26	inline const char* os::line_separator() { return "\r\n"; }
duke@435	27	inline const char* os::path_separator() { return ";"; }
duke@435	28
duke@435	29	inline const char* os::jlong_format_specifier() { return "%I64d"; }
duke@435	30	inline const char* os::julong_format_specifier() { return "%I64u"; }
duke@435	31
duke@435	32	// File names are case-insensitive on windows only
duke@435	33	inline int os::file_name_strcmp(const char* s, const char* t) {
duke@435	34	return _stricmp(s, t);
duke@435	35	}
duke@435	36
duke@435	37	// Used to improve time-sharing on some systems
duke@435	38	inline void os::loop_breaker(int attempts) {}
duke@435	39
duke@435	40	inline bool os::obsolete_option(const JavaVMOption *option) {
duke@435	41	return false;
duke@435	42	}
duke@435	43
duke@435	44	inline bool os::uses_stack_guard_pages() {
duke@435	45	return os::win32::is_nt();
duke@435	46	}
duke@435	47
duke@435	48	inline bool os::allocate_stack_guard_pages() {
duke@435	49	assert(uses_stack_guard_pages(), "sanity check");
duke@435	50	return true;
duke@435	51	}
duke@435	52
duke@435	53	inline int os::readdir_buf_size(const char *path)
duke@435	54	{
duke@435	55	/* As Windows doesn't use the directory entry buffer passed to
duke@435	56	os::readdir() this can be as short as possible */
duke@435	57
duke@435	58	return 1;
duke@435	59	}
duke@435	60
duke@435	61	// Bang the shadow pages if they need to be touched to be mapped.
duke@435	62	inline void os::bang_stack_shadow_pages() {
duke@435	63	// Write to each page of our new frame to force OS mapping.
duke@435	64	// If we decrement stack pointer more than one page
duke@435	65	// the OS may not map an intervening page into our space
duke@435	66	// and may fault on a memory access to interior of our frame.
duke@435	67	address sp = current_stack_pointer();
duke@435	68	for (int pages = 1; pages <= StackShadowPages; pages++) {
duke@435	69	*((int *)(sp - (pages * vm_page_size()))) = 0;
duke@435	70	}
duke@435	71	}
iveresov@576	72
iveresov@576	73	inline bool os::numa_has_static_binding() { return true; }
iveresov@576	74	inline bool os::numa_has_group_homing() { return false; }