author | goetz |
Tue, 29 Apr 2014 15:17:27 +0200 | |
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/* |
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* Copyright (c) 1997, 2014, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#ifndef OS_SOLARIS_VM_OS_SOLARIS_INLINE_HPP |
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#define OS_SOLARIS_VM_OS_SOLARIS_INLINE_HPP |
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#include "runtime/atomic.inline.hpp" |
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#include "runtime/orderAccess.inline.hpp" |
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#include "runtime/os.hpp" |
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// System includes |
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#include <sys/param.h> |
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#include <dlfcn.h> |
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#include <sys/socket.h> |
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#include <sys/poll.h> |
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#include <sys/filio.h> |
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#include <unistd.h> |
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#include <netdb.h> |
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#include <setjmp.h> |
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inline const char* os::file_separator() { return "/"; } |
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inline const char* os::line_separator() { return "\n"; } |
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inline const char* os::path_separator() { return ":"; } |
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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::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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int r = thr_main() ; |
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guarantee (r == 0 || r == 1, "CR6501650 or CR6493689") ; |
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return r; |
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} |
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// On Solaris, reservations are made on a page by page basis, nothing to do. |
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inline void os::pd_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 void os::dll_unload(void *lib) { ::dlclose(lib); } |
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inline DIR* os::opendir(const char* dirname) { |
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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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int size = pathconf(path, _PC_NAME_MAX); |
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return (size < 0 ? MAXPATHLEN : size) + sizeof(dirent) + 1; |
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} |
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inline struct dirent* os::readdir(DIR* dirp, dirent* dbuf) { |
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assert(dirp != NULL, "just checking"); |
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#if defined(_LP64) || defined(_GNU_SOURCE) || _FILE_OFFSET_BITS==64 |
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dirent* p; |
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int status; |
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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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#else // defined(_LP64) || defined(_GNU_SOURCE) || _FILE_OFFSET_BITS==64 |
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return ::readdir_r(dirp, dbuf); |
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#endif // defined(_LP64) || defined(_GNU_SOURCE) || _FILE_OFFSET_BITS==64 |
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} |
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inline int os::closedir(DIR *dirp) { |
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assert(dirp != NULL, "argument is NULL"); |
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return ::closedir(dirp); |
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} |
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////////////////////////////////////////////////////////////////////////////// |
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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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do { \ |
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_result = _cmd; \ |
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} while((_result == OS_ERR) && (errno == EINTR)); \ |
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} while(false) |
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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 false; } |
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inline bool os::numa_has_group_homing() { return true; } |
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inline int os::socket(int domain, int type, int protocol) { |
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return ::socket(domain, type, protocol); |
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} |
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inline int os::listen(int fd, int count) { |
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if (fd < 0) return OS_ERR; |
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return ::listen(fd, count); |
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} |
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inline int os::socket_shutdown(int fd, int howto){ |
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return ::shutdown(fd, howto); |
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} |
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inline int os::get_sock_name(int fd, struct sockaddr* him, socklen_t* len){ |
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return ::getsockname(fd, him, len); |
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} |
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inline int os::get_host_name(char* name, int namelen){ |
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return ::gethostname(name, namelen); |
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} |
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inline struct hostent* os::get_host_by_name(char* name) { |
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return ::gethostbyname(name); |
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} |
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inline int os::get_sock_opt(int fd, int level, int optname, |
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char* optval, socklen_t* optlen) { |
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return ::getsockopt(fd, level, optname, optval, optlen); |
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} |
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inline int os::set_sock_opt(int fd, int level, int optname, |
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const char *optval, socklen_t optlen) { |
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return ::setsockopt(fd, level, optname, optval, optlen); |
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} |
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inline bool os::supports_monotonic_clock() { |
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// javaTimeNanos() is monotonic on Solaris, see getTimeNanos() comments |
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return true; |
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} |
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#endif // OS_SOLARIS_VM_OS_SOLARIS_INLINE_HPP |