Mercurial > hg > truffle
annotate src/os/solaris/vm/os_solaris.inline.hpp @ 6842:b9a9ed0f8eeb
7197424: update copyright year to match last edit in jdk8 hotspot repository
Summary: Update copyright year to 2012 for relevant files
Reviewed-by: dholmes, coleenp
| author | mikael |
|---|---|
| date | Tue, 09 Oct 2012 10:09:34 -0700 |
| parents | d2a62e0f25eb |
| children | cd3d6a6b95d9 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef OS_SOLARIS_VM_OS_SOLARIS_INLINE_HPP |
| 26 #define OS_SOLARIS_VM_OS_SOLARIS_INLINE_HPP | |
| 27 | |
| 28 #include "runtime/atomic.hpp" | |
| 29 #include "runtime/os.hpp" | |
| 30 #ifdef TARGET_OS_ARCH_solaris_x86 | |
| 31 # include "atomic_solaris_x86.inline.hpp" | |
| 32 # include "orderAccess_solaris_x86.inline.hpp" | |
| 33 #endif | |
| 34 #ifdef TARGET_OS_ARCH_solaris_sparc | |
| 35 # include "atomic_solaris_sparc.inline.hpp" | |
| 36 # include "orderAccess_solaris_sparc.inline.hpp" | |
| 37 #endif | |
| 38 | |
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39 // System includes |
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40 #include <sys/param.h> |
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41 #include <dlfcn.h> |
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42 #include <sys/socket.h> |
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43 #include <sys/poll.h> |
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44 #include <sys/filio.h> |
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45 #include <unistd.h> |
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46 #include <netdb.h> |
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47 #include <setjmp.h> |
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48 |
| 0 | 49 inline const char* os::file_separator() { return "/"; } |
| 50 inline const char* os::line_separator() { return "\n"; } | |
| 51 inline const char* os::path_separator() { return ":"; } | |
| 52 | |
| 53 inline const char* os::jlong_format_specifier() { return "%lld"; } | |
| 54 inline const char* os::julong_format_specifier() { return "%llu"; } | |
| 55 | |
| 56 // File names are case-sensitive on windows only | |
| 57 inline int os::file_name_strcmp(const char* s1, const char* s2) { | |
| 58 return strcmp(s1, s2); | |
| 59 } | |
| 60 | |
| 61 inline bool os::uses_stack_guard_pages() { | |
| 62 return true; | |
| 63 } | |
| 64 | |
| 65 inline bool os::allocate_stack_guard_pages() { | |
| 66 assert(uses_stack_guard_pages(), "sanity check"); | |
| 67 int r = thr_main() ; | |
| 68 guarantee (r == 0 || r == 1, "CR6501650 or CR6493689") ; | |
| 69 return r; | |
| 70 } | |
| 71 | |
| 72 | |
| 73 // On Solaris, reservations are made on a page by page basis, nothing to do. | |
| 6197 | 74 inline void os::pd_split_reserved_memory(char *base, size_t size, |
| 0 | 75 size_t split, bool realloc) { |
| 76 } | |
| 77 | |
| 78 | |
| 79 // Bang the shadow pages if they need to be touched to be mapped. | |
| 80 inline void os::bang_stack_shadow_pages() { | |
| 81 } | |
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82 inline void os::dll_unload(void *lib) { ::dlclose(lib); } |
| 0 | 83 |
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84 inline DIR* os::opendir(const char* dirname) { |
| 0 | 85 assert(dirname != NULL, "just checking"); |
| 86 return ::opendir(dirname); | |
| 87 } | |
| 88 | |
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89 inline int os::readdir_buf_size(const char *path) { |
| 0 | 90 int size = pathconf(path, _PC_NAME_MAX); |
| 91 return (size < 0 ? MAXPATHLEN : size) + sizeof(dirent) + 1; | |
| 92 } | |
| 93 | |
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94 inline struct dirent* os::readdir(DIR* dirp, dirent* dbuf) { |
| 0 | 95 assert(dirp != NULL, "just checking"); |
| 96 #if defined(_LP64) || defined(_GNU_SOURCE) | |
| 97 dirent* p; | |
| 98 int status; | |
| 99 | |
| 100 if((status = ::readdir_r(dirp, dbuf, &p)) != 0) { | |
| 101 errno = status; | |
| 102 return NULL; | |
| 103 } else | |
| 104 return p; | |
| 105 #else // defined(_LP64) || defined(_GNU_SOURCE) | |
| 106 return ::readdir_r(dirp, dbuf); | |
| 107 #endif // defined(_LP64) || defined(_GNU_SOURCE) | |
| 108 } | |
| 109 | |
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110 inline int os::closedir(DIR *dirp) { |
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111 assert(dirp != NULL, "argument is NULL"); |
| 0 | 112 return ::closedir(dirp); |
| 113 } | |
| 114 | |
| 115 ////////////////////////////////////////////////////////////////////////////// | |
| 116 //////////////////////////////////////////////////////////////////////////////// | |
| 117 | |
| 118 // macros for interruptible io and system calls and system call restarting | |
| 119 | |
| 120 #define _INTERRUPTIBLE(_setup, _cmd, _result, _thread, _clear, _before, _after, _int_enable) \ | |
| 121 do { \ | |
| 122 _setup; \ | |
| 123 _before; \ | |
| 124 OSThread* _osthread = _thread->osthread(); \ | |
| 125 if (_int_enable && _thread->has_last_Java_frame()) { \ | |
| 126 /* this is java interruptible io stuff */ \ | |
| 127 if (os::is_interrupted(_thread, _clear)) { \ | |
| 128 os::Solaris::bump_interrupted_before_count(); \ | |
| 129 _result = OS_INTRPT; \ | |
| 130 } else { \ | |
| 131 /* _cmd always expands to an assignment to _result */ \ | |
| 132 if ((_cmd) < 0 && errno == EINTR \ | |
| 133 && os::is_interrupted(_thread, _clear)) { \ | |
| 134 os::Solaris::bump_interrupted_during_count(); \ | |
| 135 _result = OS_INTRPT; \ | |
| 136 } \ | |
| 137 } \ | |
| 138 } else { \ | |
| 139 /* this is normal blocking io stuff */ \ | |
| 140 _cmd; \ | |
| 141 } \ | |
| 142 _after; \ | |
| 143 } while(false) | |
| 144 | |
| 145 // Interruptible io support + restarting of interrupted system calls | |
| 146 | |
| 147 #ifndef ASSERT | |
| 148 | |
| 149 #define INTERRUPTIBLE(_cmd, _result, _clear) do { \ | |
| 150 _INTERRUPTIBLE( JavaThread* _thread = (JavaThread*)ThreadLocalStorage::thread(),_result = _cmd, _result, _thread, _clear, , , UseVMInterruptibleIO); \ | |
| 151 } while((_result == OS_ERR) && (errno == EINTR)) | |
| 152 | |
| 153 #else | |
| 154 | |
| 155 // This adds an assertion that it is only called from thread_in_native | |
| 156 // The call overhead is skipped for performance in product mode | |
| 157 #define INTERRUPTIBLE(_cmd, _result, _clear) do { \ | |
| 158 _INTERRUPTIBLE(JavaThread* _thread = os::Solaris::setup_interruptible_native(), _result = _cmd, _result, _thread, _clear, , os::Solaris::cleanup_interruptible_native(_thread), UseVMInterruptibleIO ); \ | |
| 159 } while((_result == OS_ERR) && (errno == EINTR)) | |
| 160 | |
| 161 #endif | |
| 162 | |
| 163 // Used for calls from _thread_in_vm, not from _thread_in_native | |
| 164 #define INTERRUPTIBLE_VM(_cmd, _result, _clear) do { \ | |
| 165 _INTERRUPTIBLE(JavaThread* _thread = os::Solaris::setup_interruptible(), _result = _cmd, _result, _thread, _clear, , os::Solaris::cleanup_interruptible(_thread), UseVMInterruptibleIO ); \ | |
| 166 } while((_result == OS_ERR) && (errno == EINTR)) | |
| 167 | |
| 168 /* Use NORESTART when the system call cannot return EINTR, when something other | |
| 169 than a system call is being invoked, or when the caller must do EINTR | |
| 170 handling. */ | |
| 171 | |
| 172 #ifndef ASSERT | |
| 173 | |
| 174 #define INTERRUPTIBLE_NORESTART(_cmd, _result, _clear) \ | |
| 175 _INTERRUPTIBLE( JavaThread* _thread = (JavaThread*)ThreadLocalStorage::thread(),_result = _cmd, _result, _thread, _clear, , , UseVMInterruptibleIO) | |
| 176 | |
| 177 #else | |
| 178 | |
| 179 // This adds an assertion that it is only called from thread_in_native | |
| 180 // The call overhead is skipped for performance in product mode | |
| 181 #define INTERRUPTIBLE_NORESTART(_cmd, _result, _clear) \ | |
| 182 _INTERRUPTIBLE(JavaThread* _thread = os::Solaris::setup_interruptible_native(), _result = _cmd, _result, _thread, _clear, , os::Solaris::cleanup_interruptible_native(_thread), UseVMInterruptibleIO ) | |
| 183 | |
| 184 #endif | |
| 185 | |
| 186 // Don't attend to UseVMInterruptibleIO. Always allow interruption. | |
| 187 // Also assumes that it is called from the _thread_blocked state. | |
| 188 // Used by os_sleep(). | |
| 189 | |
| 190 #define INTERRUPTIBLE_NORESTART_VM_ALWAYS(_cmd, _result, _thread, _clear) \ | |
| 191 _INTERRUPTIBLE(os::Solaris::setup_interruptible_already_blocked(_thread), _result = _cmd, _result, _thread, _clear, , , true ) | |
| 192 | |
| 193 #define INTERRUPTIBLE_RETURN_INT(_cmd, _clear) do { \ | |
| 194 int _result; \ | |
| 195 do { \ | |
| 196 INTERRUPTIBLE(_cmd, _result, _clear); \ | |
| 197 } while((_result == OS_ERR) && (errno == EINTR)); \ | |
| 198 return _result; \ | |
| 199 } while(false) | |
| 200 | |
| 201 #define INTERRUPTIBLE_RETURN_INT_VM(_cmd, _clear) do { \ | |
| 202 int _result; \ | |
| 203 do { \ | |
| 204 INTERRUPTIBLE_VM(_cmd, _result, _clear); \ | |
| 205 } while((_result == OS_ERR) && (errno == EINTR)); \ | |
| 206 return _result; \ | |
| 207 } while(false) | |
| 208 | |
| 209 #define INTERRUPTIBLE_RETURN_INT_NORESTART(_cmd, _clear) do { \ | |
| 210 int _result; \ | |
| 211 INTERRUPTIBLE_NORESTART(_cmd, _result, _clear); \ | |
| 212 return _result; \ | |
| 213 } while(false) | |
| 214 | |
| 215 /* Use the RESTARTABLE macros when interruptible io is not needed */ | |
| 216 | |
| 217 #define RESTARTABLE(_cmd, _result) do { \ | |
| 218 do { \ | |
| 219 _result = _cmd; \ | |
| 220 } while((_result == OS_ERR) && (errno == EINTR)); \ | |
| 221 } while(false) | |
| 222 | |
| 223 #define RESTARTABLE_RETURN_INT(_cmd) do { \ | |
| 224 int _result; \ | |
| 225 RESTARTABLE(_cmd, _result); \ | |
| 226 return _result; \ | |
| 227 } while(false) | |
| 141 | 228 |
| 229 inline bool os::numa_has_static_binding() { return false; } | |
| 230 inline bool os::numa_has_group_homing() { return true; } | |
| 1972 | 231 |
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232 inline int os::socket(int domain, int type, int protocol) { |
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233 return ::socket(domain, type, protocol); |
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234 } |
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235 |
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236 inline int os::listen(int fd, int count) { |
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237 if (fd < 0) return OS_ERR; |
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238 |
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239 return ::listen(fd, count); |
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240 } |
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241 |
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242 inline int os::socket_shutdown(int fd, int howto){ |
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243 return ::shutdown(fd, howto); |
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244 } |
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245 |
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246 inline int os::get_sock_name(int fd, struct sockaddr* him, socklen_t* len){ |
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247 return ::getsockname(fd, him, len); |
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248 } |
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249 |
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250 inline int os::get_host_name(char* name, int namelen){ |
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251 return ::gethostname(name, namelen); |
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252 } |
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253 |
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254 inline struct hostent* os::get_host_by_name(char* name) { |
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255 return ::gethostbyname(name); |
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256 } |
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257 |
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258 inline int os::get_sock_opt(int fd, int level, int optname, |
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259 char* optval, socklen_t* optlen) { |
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260 return ::getsockopt(fd, level, optname, optval, optlen); |
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261 } |
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262 |
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263 inline int os::set_sock_opt(int fd, int level, int optname, |
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264 const char *optval, socklen_t optlen) { |
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265 return ::setsockopt(fd, level, optname, optval, optlen); |
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266 } |
| 1972 | 267 #endif // OS_SOLARIS_VM_OS_SOLARIS_INLINE_HPP |