| /* |
| * Copyright 1999-2006 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| * |
| */ |
| |
| inline void* os::thread_local_storage_at(int index) { |
| return pthread_getspecific((pthread_key_t)index); |
| } |
| |
| inline const char* os::file_separator() { |
| return "/"; |
| } |
| |
| inline const char* os::line_separator() { |
| return "\n"; |
| } |
| |
| inline const char* os::path_separator() { |
| return ":"; |
| } |
| |
| inline const char* os::jlong_format_specifier() { |
| return "%lld"; |
| } |
| |
| inline const char* os::julong_format_specifier() { |
| return "%llu"; |
| } |
| |
| // File names are case-sensitive on windows only |
| inline int os::file_name_strcmp(const char* s1, const char* s2) { |
| return strcmp(s1, s2); |
| } |
| |
| inline bool os::obsolete_option(const JavaVMOption *option) { |
| return false; |
| } |
| |
| inline bool os::uses_stack_guard_pages() { |
| return true; |
| } |
| |
| inline bool os::allocate_stack_guard_pages() { |
| assert(uses_stack_guard_pages(), "sanity check"); |
| return true; |
| } |
| |
| |
| // On Linux, reservations are made on a page by page basis, nothing to do. |
| inline void os::split_reserved_memory(char *base, size_t size, |
| size_t split, bool realloc) { |
| } |
| |
| |
| // Bang the shadow pages if they need to be touched to be mapped. |
| inline void os::bang_stack_shadow_pages() { |
| } |
| |
| inline DIR* os::opendir(const char* dirname) |
| { |
| assert(dirname != NULL, "just checking"); |
| return ::opendir(dirname); |
| } |
| |
| inline int os::readdir_buf_size(const char *path) |
| { |
| return NAME_MAX + sizeof(dirent) + 1; |
| } |
| |
| inline struct dirent* os::readdir(DIR* dirp, dirent *dbuf) |
| { |
| dirent* p; |
| int status; |
| assert(dirp != NULL, "just checking"); |
| |
| // NOTE: Linux readdir_r (on RH 6.2 and 7.2 at least) is NOT like the POSIX |
| // version. Here is the doc for this function: |
| // http://www.gnu.org/manual/glibc-2.2.3/html_node/libc_262.html |
| |
| if((status = ::readdir_r(dirp, dbuf, &p)) != 0) { |
| errno = status; |
| return NULL; |
| } else |
| return p; |
| } |
| |
| inline int os::closedir(DIR *dirp) |
| { |
| assert(dirp != NULL, "just checking"); |
| return ::closedir(dirp); |
| } |
| |
| // macros for restartable system calls |
| |
| #define RESTARTABLE(_cmd, _result) do { \ |
| _result = _cmd; \ |
| } while(((int)_result == OS_ERR) && (errno == EINTR)) |
| |
| #define RESTARTABLE_RETURN_INT(_cmd) do { \ |
| int _result; \ |
| RESTARTABLE(_cmd, _result); \ |
| return _result; \ |
| } while(false) |