Mercurial > hg > truffle
annotate src/os/bsd/vm/os_bsd.inline.hpp @ 4717:11c26bfcf8c7
7091417: recvfrom's 6th input should be of type socklen_t
Summary: Revamp class os's socket method formal args to match socket.h, insert casts in appropriate places, and copyin-copyout int*'s that s/b socklen_t*'s in jvm.cpp.
Reviewed-by: coleenp, dholmes
Contributed-by: erik.gahlin@oracle.com, rickard.backman@oracle.com, nils.loodin@oracle.com, markus.gronlund@oracle.com
| author | phh |
|---|---|
| date | Wed, 21 Dec 2011 15:48:16 -0500 |
| parents | f08d439fab8c |
| children | d2a62e0f25eb |
| rev | line source |
|---|---|
| 3960 | 1 /* |
| 2 * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved. | |
| 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 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 #ifndef OS_BSD_VM_OS_BSD_INLINE_HPP | |
| 26 #define OS_BSD_VM_OS_BSD_INLINE_HPP | |
| 27 | |
| 28 #include "runtime/atomic.hpp" | |
| 29 #include "runtime/os.hpp" | |
| 30 #ifdef TARGET_OS_ARCH_bsd_x86 | |
| 31 # include "atomic_bsd_x86.inline.hpp" | |
| 32 # include "orderAccess_bsd_x86.inline.hpp" | |
| 33 #endif | |
| 34 #ifdef TARGET_OS_ARCH_bsd_zero | |
| 35 # include "atomic_bsd_zero.inline.hpp" | |
| 36 # include "orderAccess_bsd_zero.inline.hpp" | |
| 37 #endif | |
| 38 | |
| 39 // System includes | |
| 40 | |
| 41 #include <unistd.h> | |
| 42 #include <sys/socket.h> | |
| 43 #include <sys/poll.h> | |
| 44 #include <netdb.h> | |
| 45 | |
| 46 inline void* os::thread_local_storage_at(int index) { | |
| 47 return pthread_getspecific((pthread_key_t)index); | |
| 48 } | |
| 49 | |
| 50 inline const char* os::file_separator() { | |
| 51 return "/"; | |
| 52 } | |
| 53 | |
| 54 inline const char* os::line_separator() { | |
| 55 return "\n"; | |
| 56 } | |
| 57 | |
| 58 inline const char* os::path_separator() { | |
| 59 return ":"; | |
| 60 } | |
| 61 | |
| 62 inline const char* os::jlong_format_specifier() { | |
| 63 return "%lld"; | |
| 64 } | |
| 65 | |
| 66 inline const char* os::julong_format_specifier() { | |
| 67 return "%llu"; | |
| 68 } | |
| 69 | |
| 70 // File names are case-sensitive on windows only | |
| 71 inline int os::file_name_strcmp(const char* s1, const char* s2) { | |
| 72 return strcmp(s1, s2); | |
| 73 } | |
| 74 | |
| 75 inline bool os::obsolete_option(const JavaVMOption *option) { | |
| 76 return false; | |
| 77 } | |
| 78 | |
| 79 inline bool os::uses_stack_guard_pages() { | |
| 80 return true; | |
| 81 } | |
| 82 | |
| 83 inline bool os::allocate_stack_guard_pages() { | |
| 84 assert(uses_stack_guard_pages(), "sanity check"); | |
| 85 #if !defined(__FreeBSD__) || __FreeBSD__ < 5 | |
| 86 // Since FreeBSD 4 uses malloc() for allocating the thread stack | |
| 87 // there is no need to do anything extra to allocate the guard pages | |
| 88 return false; | |
| 89 #else | |
| 90 // FreeBSD 5+ uses mmap MAP_STACK for allocating the thread stacks. | |
| 91 // Must 'allocate' them or guard pages are ignored. | |
| 92 return true; | |
| 93 #endif | |
| 94 } | |
| 95 | |
| 96 | |
| 97 // On Bsd, reservations are made on a page by page basis, nothing to do. | |
| 98 inline void os::split_reserved_memory(char *base, size_t size, | |
| 99 size_t split, bool realloc) { | |
| 100 } | |
| 101 | |
| 102 | |
| 103 // Bang the shadow pages if they need to be touched to be mapped. | |
| 104 inline void os::bang_stack_shadow_pages() { | |
| 105 } | |
| 106 | |
| 107 inline void os::dll_unload(void *lib) { | |
| 108 ::dlclose(lib); | |
| 109 } | |
| 110 | |
| 111 inline const int os::default_file_open_flags() { return 0;} | |
| 112 | |
| 113 inline DIR* os::opendir(const char* dirname) | |
| 114 { | |
| 115 assert(dirname != NULL, "just checking"); | |
| 116 return ::opendir(dirname); | |
| 117 } | |
| 118 | |
| 119 inline int os::readdir_buf_size(const char *path) | |
| 120 { | |
| 121 return NAME_MAX + sizeof(dirent) + 1; | |
| 122 } | |
| 123 | |
| 124 inline jlong os::lseek(int fd, jlong offset, int whence) { | |
| 125 return (jlong) ::lseek(fd, offset, whence); | |
| 126 } | |
| 127 | |
| 128 inline int os::fsync(int fd) { | |
| 129 return ::fsync(fd); | |
| 130 } | |
| 131 | |
| 132 inline char* os::native_path(char *path) { | |
| 133 return path; | |
| 134 } | |
| 135 | |
| 136 inline int os::ftruncate(int fd, jlong length) { | |
| 137 return ::ftruncate(fd, length); | |
| 138 } | |
| 139 | |
| 140 inline struct dirent* os::readdir(DIR* dirp, dirent *dbuf) | |
| 141 { | |
| 142 dirent* p; | |
| 143 int status; | |
| 144 assert(dirp != NULL, "just checking"); | |
| 145 | |
| 146 // NOTE: Bsd readdir_r (on RH 6.2 and 7.2 at least) is NOT like the POSIX | |
| 147 // version. Here is the doc for this function: | |
| 148 // http://www.gnu.org/manual/glibc-2.2.3/html_node/libc_262.html | |
| 149 | |
| 150 if((status = ::readdir_r(dirp, dbuf, &p)) != 0) { | |
| 151 errno = status; | |
| 152 return NULL; | |
| 153 } else | |
| 154 return p; | |
| 155 } | |
| 156 | |
| 157 inline int os::closedir(DIR *dirp) { | |
| 158 assert(dirp != NULL, "argument is NULL"); | |
| 159 return ::closedir(dirp); | |
| 160 } | |
| 161 | |
| 162 // macros for restartable system calls | |
| 163 | |
| 164 #define RESTARTABLE(_cmd, _result) do { \ | |
| 165 _result = _cmd; \ | |
| 166 } while(((int)_result == OS_ERR) && (errno == EINTR)) | |
| 167 | |
| 168 #define RESTARTABLE_RETURN_INT(_cmd) do { \ | |
| 169 int _result; \ | |
| 170 RESTARTABLE(_cmd, _result); \ | |
| 171 return _result; \ | |
| 172 } while(false) | |
| 173 | |
| 174 inline bool os::numa_has_static_binding() { return true; } | |
| 175 inline bool os::numa_has_group_homing() { return false; } | |
| 176 | |
| 177 inline size_t os::restartable_read(int fd, void *buf, unsigned int nBytes) { | |
| 178 size_t res; | |
| 179 RESTARTABLE( (size_t) ::read(fd, buf, (size_t) nBytes), res); | |
| 180 return res; | |
| 181 } | |
| 182 | |
| 183 inline size_t os::write(int fd, const void *buf, unsigned int nBytes) { | |
| 184 size_t res; | |
| 185 RESTARTABLE((size_t) ::write(fd, buf, (size_t) nBytes), res); | |
| 186 return res; | |
| 187 } | |
| 188 | |
| 189 inline int os::close(int fd) { | |
| 190 RESTARTABLE_RETURN_INT(::close(fd)); | |
| 191 } | |
| 192 | |
| 193 inline int os::socket_close(int fd) { | |
| 194 RESTARTABLE_RETURN_INT(::close(fd)); | |
| 195 } | |
| 196 | |
| 197 inline int os::socket(int domain, int type, int protocol) { | |
| 198 return ::socket(domain, type, protocol); | |
| 199 } | |
| 200 | |
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201 inline int os::recv(int fd, char* buf, size_t nBytes, uint flags) { |
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202 RESTARTABLE_RETURN_INT(::recv(fd, buf, nBytes, flags)); |
| 3960 | 203 } |
| 204 | |
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205 inline int os::send(int fd, char* buf, size_t nBytes, uint flags) { |
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206 RESTARTABLE_RETURN_INT(::send(fd, buf, nBytes, flags)); |
| 3960 | 207 } |
| 208 | |
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209 inline int os::raw_send(int fd, char* buf, size_t nBytes, uint flags) { |
| 3960 | 210 return os::send(fd, buf, nBytes, flags); |
| 211 } | |
| 212 | |
| 213 inline int os::timeout(int fd, long timeout) { | |
| 214 julong prevtime,newtime; | |
| 215 struct timeval t; | |
| 216 | |
| 217 gettimeofday(&t, NULL); | |
| 218 prevtime = ((julong)t.tv_sec * 1000) + t.tv_usec / 1000; | |
| 219 | |
| 220 for(;;) { | |
| 221 struct pollfd pfd; | |
| 222 | |
| 223 pfd.fd = fd; | |
| 224 pfd.events = POLLIN | POLLERR; | |
| 225 | |
| 226 int res = ::poll(&pfd, 1, timeout); | |
| 227 | |
| 228 if (res == OS_ERR && errno == EINTR) { | |
| 229 | |
| 230 // On Bsd any value < 0 means "forever" | |
| 231 | |
| 232 if(timeout >= 0) { | |
| 233 gettimeofday(&t, NULL); | |
| 234 newtime = ((julong)t.tv_sec * 1000) + t.tv_usec / 1000; | |
| 235 timeout -= newtime - prevtime; | |
| 236 if(timeout <= 0) | |
| 237 return OS_OK; | |
| 238 prevtime = newtime; | |
| 239 } | |
| 240 } else | |
| 241 return res; | |
| 242 } | |
| 243 } | |
| 244 | |
| 245 inline int os::listen(int fd, int count) { | |
| 246 return ::listen(fd, count); | |
| 247 } | |
| 248 | |
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249 inline int os::connect(int fd, struct sockaddr* him, socklen_t len) { |
| 3960 | 250 RESTARTABLE_RETURN_INT(::connect(fd, him, len)); |
| 251 } | |
| 252 | |
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253 inline int os::accept(int fd, struct sockaddr* him, socklen_t* len) { |
| 3960 | 254 // At least OpenBSD and FreeBSD can return EINTR from accept. |
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255 RESTARTABLE_RETURN_INT(::accept(fd, him, len)); |
| 3960 | 256 } |
| 257 | |
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258 inline int os::recvfrom(int fd, char* buf, size_t nBytes, uint flags, |
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259 sockaddr* from, socklen_t* fromlen) { |
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260 RESTARTABLE_RETURN_INT((int)::recvfrom(fd, buf, nBytes, flags, from, fromlen)); |
| 3960 | 261 } |
| 262 | |
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263 inline int os::sendto(int fd, char* buf, size_t len, uint flags, |
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264 struct sockaddr *to, socklen_t tolen) { |
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265 RESTARTABLE_RETURN_INT((int)::sendto(fd, buf, len, flags, to, tolen)); |
| 3960 | 266 } |
| 267 | |
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268 inline int os::socket_shutdown(int fd, int howto) { |
| 3960 | 269 return ::shutdown(fd, howto); |
| 270 } | |
| 271 | |
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272 inline int os::bind(int fd, struct sockaddr* him, socklen_t len) { |
| 3960 | 273 return ::bind(fd, him, len); |
| 274 } | |
| 275 | |
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276 inline int os::get_sock_name(int fd, struct sockaddr* him, socklen_t* len) { |
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277 return ::getsockname(fd, him, len); |
| 3960 | 278 } |
| 279 | |
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280 inline int os::get_host_name(char* name, int namelen) { |
| 3960 | 281 return ::gethostname(name, namelen); |
| 282 } | |
| 283 | |
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284 inline struct hostent* os::get_host_by_name(char* name) { |
| 3960 | 285 return ::gethostbyname(name); |
| 286 } | |
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287 |
| 3960 | 288 inline int os::get_sock_opt(int fd, int level, int optname, |
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289 char *optval, socklen_t* optlen) { |
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290 return ::getsockopt(fd, level, optname, optval, optlen); |
| 3960 | 291 } |
| 292 | |
| 293 inline int os::set_sock_opt(int fd, int level, int optname, | |
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294 const char* optval, socklen_t optlen) { |
| 3960 | 295 return ::setsockopt(fd, level, optname, optval, optlen); |
| 296 } | |
| 297 #endif // OS_BSD_VM_OS_BSD_INLINE_HPP |