Mercurial > hg > truffle
comparison src/os/aix/vm/os_aix.inline.hpp @ 14415:666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
Reviewed-by: kvn
author | simonis |
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date | Fri, 06 Sep 2013 20:16:09 +0200 |
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children | 97586c131ac8 ce8f6bb717c9 |
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14414:b83f7d608548 | 14415:666e6ce3976c |
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1 /* | |
2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. | |
3 * Copyright 2012, 2013 SAP AG. All rights reserved. | |
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
5 * | |
6 * This code is free software; you can redistribute it and/or modify it | |
7 * under the terms of the GNU General Public License version 2 only, as | |
8 * published by the Free Software Foundation. | |
9 * | |
10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 * version 2 for more details (a copy is included in the LICENSE file that | |
14 * accompanied this code). | |
15 * | |
16 * You should have received a copy of the GNU General Public License version | |
17 * 2 along with this work; if not, write to the Free Software Foundation, | |
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
19 * | |
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
21 * or visit www.oracle.com if you need additional information or have any | |
22 * questions. | |
23 * | |
24 */ | |
25 | |
26 #ifndef OS_AIX_VM_OS_AIX_INLINE_HPP | |
27 #define OS_AIX_VM_OS_AIX_INLINE_HPP | |
28 | |
29 #include "runtime/atomic.hpp" | |
30 #include "runtime/os.hpp" | |
31 #ifdef TARGET_OS_ARCH_aix_ppc | |
32 # include "atomic_aix_ppc.inline.hpp" | |
33 # include "orderAccess_aix_ppc.inline.hpp" | |
34 #endif | |
35 | |
36 // System includes | |
37 | |
38 #include <unistd.h> | |
39 #include <sys/socket.h> | |
40 #include <sys/poll.h> | |
41 #include <sys/ioctl.h> | |
42 #include <netdb.h> | |
43 | |
44 // Defined in the system headers included above. | |
45 #undef rem_size | |
46 | |
47 inline void* os::thread_local_storage_at(int index) { | |
48 return pthread_getspecific((pthread_key_t)index); | |
49 } | |
50 | |
51 inline const char* os::file_separator() { | |
52 return "/"; | |
53 } | |
54 | |
55 inline const char* os::line_separator() { | |
56 return "\n"; | |
57 } | |
58 | |
59 inline const char* os::path_separator() { | |
60 return ":"; | |
61 } | |
62 | |
63 // File names are case-sensitive on windows only | |
64 inline int os::file_name_strcmp(const char* s1, const char* s2) { | |
65 return strcmp(s1, s2); | |
66 } | |
67 | |
68 inline bool os::obsolete_option(const JavaVMOption *option) { | |
69 return false; | |
70 } | |
71 | |
72 inline bool os::uses_stack_guard_pages() { | |
73 return true; | |
74 } | |
75 | |
76 inline bool os::allocate_stack_guard_pages() { | |
77 assert(uses_stack_guard_pages(), "sanity check"); | |
78 return true; | |
79 } | |
80 | |
81 | |
82 // On Aix, reservations are made on a page by page basis, nothing to do. | |
83 inline void os::pd_split_reserved_memory(char *base, size_t size, | |
84 size_t split, bool realloc) { | |
85 } | |
86 | |
87 | |
88 // Bang the shadow pages if they need to be touched to be mapped. | |
89 inline void os::bang_stack_shadow_pages() { | |
90 } | |
91 | |
92 inline void os::dll_unload(void *lib) { | |
93 ::dlclose(lib); | |
94 } | |
95 | |
96 inline const int os::default_file_open_flags() { return 0;} | |
97 | |
98 inline DIR* os::opendir(const char* dirname) | |
99 { | |
100 assert(dirname != NULL, "just checking"); | |
101 return ::opendir(dirname); | |
102 } | |
103 | |
104 inline int os::readdir_buf_size(const char *path) | |
105 { | |
106 // according to aix sys/limits, NAME_MAX must be retrieved at runtime. */ | |
107 const long my_NAME_MAX = pathconf(path, _PC_NAME_MAX); | |
108 return my_NAME_MAX + sizeof(dirent) + 1; | |
109 } | |
110 | |
111 inline jlong os::lseek(int fd, jlong offset, int whence) { | |
112 return (jlong) ::lseek64(fd, offset, whence); | |
113 } | |
114 | |
115 inline int os::fsync(int fd) { | |
116 return ::fsync(fd); | |
117 } | |
118 | |
119 inline char* os::native_path(char *path) { | |
120 return path; | |
121 } | |
122 | |
123 inline int os::ftruncate(int fd, jlong length) { | |
124 return ::ftruncate64(fd, length); | |
125 } | |
126 | |
127 inline struct dirent* os::readdir(DIR* dirp, dirent *dbuf) | |
128 { | |
129 dirent* p; | |
130 int status; | |
131 assert(dirp != NULL, "just checking"); | |
132 | |
133 // NOTE: Linux readdir_r (on RH 6.2 and 7.2 at least) is NOT like the POSIX | |
134 // version. Here is the doc for this function: | |
135 // http://www.gnu.org/manual/glibc-2.2.3/html_node/libc_262.html | |
136 | |
137 if((status = ::readdir_r(dirp, dbuf, &p)) != 0) { | |
138 errno = status; | |
139 return NULL; | |
140 } else | |
141 return p; | |
142 } | |
143 | |
144 inline int os::closedir(DIR *dirp) { | |
145 assert(dirp != NULL, "argument is NULL"); | |
146 return ::closedir(dirp); | |
147 } | |
148 | |
149 // macros for restartable system calls | |
150 | |
151 #define RESTARTABLE(_cmd, _result) do { \ | |
152 _result = _cmd; \ | |
153 } while(((int)_result == OS_ERR) && (errno == EINTR)) | |
154 | |
155 #define RESTARTABLE_RETURN_INT(_cmd) do { \ | |
156 int _result; \ | |
157 RESTARTABLE(_cmd, _result); \ | |
158 return _result; \ | |
159 } while(false) | |
160 | |
161 // We don't have NUMA support on Aix, but we need this for compilation. | |
162 inline bool os::numa_has_static_binding() { ShouldNotReachHere(); return true; } | |
163 inline bool os::numa_has_group_homing() { ShouldNotReachHere(); return false; } | |
164 | |
165 inline size_t os::restartable_read(int fd, void *buf, unsigned int nBytes) { | |
166 size_t res; | |
167 RESTARTABLE( (size_t) ::read(fd, buf, (size_t) nBytes), res); | |
168 return res; | |
169 } | |
170 | |
171 inline size_t os::write(int fd, const void *buf, unsigned int nBytes) { | |
172 size_t res; | |
173 RESTARTABLE((size_t) ::write(fd, buf, (size_t) nBytes), res); | |
174 return res; | |
175 } | |
176 | |
177 inline int os::close(int fd) { | |
178 return ::close(fd); | |
179 } | |
180 | |
181 inline int os::socket_close(int fd) { | |
182 return ::close(fd); | |
183 } | |
184 | |
185 inline int os::socket(int domain, int type, int protocol) { | |
186 return ::socket(domain, type, protocol); | |
187 } | |
188 | |
189 inline int os::recv(int fd, char* buf, size_t nBytes, uint flags) { | |
190 RESTARTABLE_RETURN_INT(::recv(fd, buf, nBytes, flags)); | |
191 } | |
192 | |
193 inline int os::send(int fd, char* buf, size_t nBytes, uint flags) { | |
194 RESTARTABLE_RETURN_INT(::send(fd, buf, nBytes, flags)); | |
195 } | |
196 | |
197 inline int os::raw_send(int fd, char* buf, size_t nBytes, uint flags) { | |
198 return os::send(fd, buf, nBytes, flags); | |
199 } | |
200 | |
201 inline int os::timeout(int fd, long timeout) { | |
202 julong prevtime,newtime; | |
203 struct timeval t; | |
204 | |
205 gettimeofday(&t, NULL); | |
206 prevtime = ((julong)t.tv_sec * 1000) + t.tv_usec / 1000; | |
207 | |
208 for(;;) { | |
209 struct pollfd pfd; | |
210 | |
211 pfd.fd = fd; | |
212 pfd.events = POLLIN | POLLERR; | |
213 | |
214 int res = ::poll(&pfd, 1, timeout); | |
215 | |
216 if (res == OS_ERR && errno == EINTR) { | |
217 | |
218 // On Linux any value < 0 means "forever" | |
219 | |
220 if(timeout >= 0) { | |
221 gettimeofday(&t, NULL); | |
222 newtime = ((julong)t.tv_sec * 1000) + t.tv_usec / 1000; | |
223 timeout -= newtime - prevtime; | |
224 if(timeout <= 0) | |
225 return OS_OK; | |
226 prevtime = newtime; | |
227 } | |
228 } else | |
229 return res; | |
230 } | |
231 } | |
232 | |
233 inline int os::listen(int fd, int count) { | |
234 return ::listen(fd, count); | |
235 } | |
236 | |
237 inline int os::connect(int fd, struct sockaddr* him, socklen_t len) { | |
238 RESTARTABLE_RETURN_INT(::connect(fd, him, len)); | |
239 } | |
240 | |
241 inline int os::accept(int fd, struct sockaddr* him, socklen_t* len) { | |
242 // Linux doc says this can't return EINTR, unlike accept() on Solaris. | |
243 // But see attachListener_linux.cpp, LinuxAttachListener::dequeue(). | |
244 return (int)::accept(fd, him, len); | |
245 } | |
246 | |
247 inline int os::recvfrom(int fd, char* buf, size_t nBytes, uint flags, | |
248 sockaddr* from, socklen_t* fromlen) { | |
249 RESTARTABLE_RETURN_INT((int)::recvfrom(fd, buf, nBytes, flags, from, fromlen)); | |
250 } | |
251 | |
252 inline int os::sendto(int fd, char* buf, size_t len, uint flags, | |
253 struct sockaddr* to, socklen_t tolen) { | |
254 RESTARTABLE_RETURN_INT((int)::sendto(fd, buf, len, flags, to, tolen)); | |
255 } | |
256 | |
257 inline int os::socket_shutdown(int fd, int howto) { | |
258 return ::shutdown(fd, howto); | |
259 } | |
260 | |
261 inline int os::bind(int fd, struct sockaddr* him, socklen_t len) { | |
262 return ::bind(fd, him, len); | |
263 } | |
264 | |
265 inline int os::get_sock_name(int fd, struct sockaddr* him, socklen_t* len) { | |
266 return ::getsockname(fd, him, len); | |
267 } | |
268 | |
269 inline int os::get_host_name(char* name, int namelen) { | |
270 return ::gethostname(name, namelen); | |
271 } | |
272 | |
273 inline struct hostent* os::get_host_by_name(char* name) { | |
274 return ::gethostbyname(name); | |
275 } | |
276 | |
277 inline int os::get_sock_opt(int fd, int level, int optname, | |
278 char* optval, socklen_t* optlen) { | |
279 return ::getsockopt(fd, level, optname, optval, optlen); | |
280 } | |
281 | |
282 inline int os::set_sock_opt(int fd, int level, int optname, | |
283 const char* optval, socklen_t optlen) { | |
284 return ::setsockopt(fd, level, optname, optval, optlen); | |
285 } | |
286 #endif // OS_AIX_VM_OS_AIX_INLINE_HPP |