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/*
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* Copyright 1999-2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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inline void* os::thread_local_storage_at(int index) {
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return pthread_getspecific((pthread_key_t)index);
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}
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inline const char* os::file_separator() {
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return "/";
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}
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inline const char* os::line_separator() {
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return "\n";
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}
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inline const char* os::path_separator() {
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return ":";
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}
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inline const char* os::jlong_format_specifier() {
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return "%lld";
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}
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inline const char* os::julong_format_specifier() {
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return "%llu";
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}
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// File names are case-sensitive on windows only
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inline int os::file_name_strcmp(const char* s1, const char* s2) {
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return strcmp(s1, s2);
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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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inline bool os::uses_stack_guard_pages() {
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return true;
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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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// On Linux, reservations are made on a page by page basis, nothing to do.
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inline void os::split_reserved_memory(char *base, size_t size,
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size_t split, bool realloc) {
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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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}
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inline DIR* os::opendir(const char* dirname)
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{
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assert(dirname != NULL, "just checking");
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return ::opendir(dirname);
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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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return NAME_MAX + sizeof(dirent) + 1;
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}
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inline struct dirent* os::readdir(DIR* dirp, dirent *dbuf)
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{
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dirent* p;
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int status;
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assert(dirp != NULL, "just checking");
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// NOTE: Linux readdir_r (on RH 6.2 and 7.2 at least) is NOT like the POSIX
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// version. Here is the doc for this function:
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// http://www.gnu.org/manual/glibc-2.2.3/html_node/libc_262.html
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if((status = ::readdir_r(dirp, dbuf, &p)) != 0) {
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errno = status;
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return NULL;
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} else
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return p;
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}
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inline int os::closedir(DIR *dirp)
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{
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assert(dirp != NULL, "just checking");
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return ::closedir(dirp);
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}
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// macros for restartable system calls
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#define RESTARTABLE(_cmd, _result) do { \
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_result = _cmd; \
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} while(((int)_result == OS_ERR) && (errno == EINTR))
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#define RESTARTABLE_RETURN_INT(_cmd) do { \
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int _result; \
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RESTARTABLE(_cmd, _result); \
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return _result; \
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} while(false)
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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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