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annotate src/os/solaris/vm/hpi_solaris.hpp @ 1972:f95d63e2154a
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
| author | stefank |
|---|---|
| date | Tue, 23 Nov 2010 13:22:55 -0800 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1972 | 2 * Copyright (c) 1998, 2010, 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_HPI_SOLARIS_HPP |
| 26 #define OS_SOLARIS_VM_HPI_SOLARIS_HPP | |
| 27 | |
| 0 | 28 // |
| 29 // Parts of the HPI interface for which the HotSparc does not use the | |
| 30 // HPI (because the interruptible IO mechanims used are different). | |
| 31 // | |
| 32 | |
| 33 #include <sys/socket.h> | |
| 34 #include <sys/poll.h> | |
| 35 #include <sys/filio.h> | |
| 36 #include <unistd.h> | |
| 37 #include <netdb.h> | |
| 38 #include <setjmp.h> | |
| 39 | |
| 40 // HPI_FileInterface | |
| 41 | |
| 42 // Many system calls can be interrupted by signals and must be restarted. | |
| 43 // Restart support was added without disturbing the extent of thread | |
| 44 // interruption support. | |
| 45 | |
| 46 inline int hpi::close(int fd) { | |
| 47 RESTARTABLE_RETURN_INT(::close(fd)); | |
| 48 } | |
| 49 | |
| 50 inline size_t hpi::read(int fd, void *buf, unsigned int nBytes) { | |
| 51 INTERRUPTIBLE_RETURN_INT(::read(fd, buf, nBytes), os::Solaris::clear_interrupted); | |
| 52 } | |
| 53 | |
| 54 inline size_t hpi::write(int fd, const void *buf, unsigned int nBytes) { | |
| 55 INTERRUPTIBLE_RETURN_INT(::write(fd, buf, nBytes), os::Solaris::clear_interrupted); | |
| 56 } | |
| 57 | |
| 58 | |
| 59 // HPI_SocketInterface | |
| 60 | |
| 61 inline int hpi::socket_close(int fd) { | |
| 62 RESTARTABLE_RETURN_INT(::close(fd)); | |
| 63 } | |
| 64 | |
| 65 inline int hpi::socket(int domain, int type, int protocol) { | |
| 66 return ::socket(domain, type, protocol); | |
| 67 } | |
| 68 | |
| 69 inline int hpi::recv(int fd, char *buf, int nBytes, int flags) { | |
| 70 INTERRUPTIBLE_RETURN_INT(::recv(fd, buf, nBytes, flags), os::Solaris::clear_interrupted); | |
| 71 } | |
| 72 | |
| 73 inline int hpi::send(int fd, char *buf, int nBytes, int flags) { | |
| 74 INTERRUPTIBLE_RETURN_INT(::send(fd, buf, nBytes, flags), os::Solaris::clear_interrupted); | |
| 75 } | |
| 76 | |
| 222 | 77 inline int hpi::raw_send(int fd, char *buf, int nBytes, int flags) { |
| 78 RESTARTABLE_RETURN_INT(::send(fd, buf, nBytes, flags)); | |
| 79 } | |
| 80 | |
| 0 | 81 // As both poll and select can be interrupted by signals, we have to be |
| 82 // prepared to restart the system call after updating the timeout, unless | |
| 83 // a poll() is done with timeout == -1, in which case we repeat with this | |
| 84 // "wait forever" value. | |
| 85 | |
| 86 inline int hpi::timeout(int fd, long timeout) { | |
| 87 int res; | |
| 88 struct timeval t; | |
| 89 julong prevtime, newtime; | |
| 90 static const char* aNull = 0; | |
| 91 | |
| 92 struct pollfd pfd; | |
| 93 pfd.fd = fd; | |
| 94 pfd.events = POLLIN; | |
| 95 | |
| 96 gettimeofday(&t, &aNull); | |
| 97 prevtime = ((julong)t.tv_sec * 1000) + t.tv_usec / 1000; | |
| 98 | |
| 99 for(;;) { | |
| 100 INTERRUPTIBLE_NORESTART(::poll(&pfd, 1, timeout), res, os::Solaris::clear_interrupted); | |
| 101 if(res == OS_ERR && errno == EINTR) { | |
| 102 if(timeout != -1) { | |
| 103 gettimeofday(&t, &aNull); | |
| 104 newtime = ((julong)t.tv_sec * 1000) + t.tv_usec /1000; | |
| 105 timeout -= newtime - prevtime; | |
| 106 if(timeout <= 0) | |
| 107 return OS_OK; | |
| 108 prevtime = newtime; | |
| 109 } | |
| 110 } else | |
| 111 return res; | |
| 112 } | |
| 113 } | |
| 114 | |
| 115 inline int hpi::listen(int fd, int count) { | |
| 116 if (fd < 0) | |
| 117 return OS_ERR; | |
| 118 | |
| 119 return ::listen(fd, count); | |
| 120 } | |
| 121 | |
| 122 inline int | |
| 123 hpi::connect(int fd, struct sockaddr *him, int len) { | |
| 124 do { | |
| 125 int _result; | |
| 126 INTERRUPTIBLE_NORESTART(::connect(fd, him, len), _result, | |
| 127 os::Solaris::clear_interrupted); | |
| 128 | |
| 129 // Depending on when thread interruption is reset, _result could be | |
| 130 // one of two values when errno == EINTR | |
| 131 | |
| 132 if (((_result == OS_INTRPT) || (_result == OS_ERR)) && (errno == EINTR)) { | |
| 133 /* restarting a connect() changes its errno semantics */ | |
| 134 INTERRUPTIBLE(::connect(fd, him, len), _result, | |
| 135 os::Solaris::clear_interrupted); | |
| 136 /* undo these changes */ | |
| 137 if (_result == OS_ERR) { | |
| 138 if (errno == EALREADY) errno = EINPROGRESS; /* fall through */ | |
| 139 else if (errno == EISCONN) { errno = 0; return OS_OK; } | |
| 140 } | |
| 141 } | |
| 142 return _result; | |
| 143 } while(false); | |
| 144 } | |
| 145 | |
| 146 inline int hpi::accept(int fd, struct sockaddr *him, int *len) { | |
| 147 if (fd < 0) | |
| 148 return OS_ERR; | |
| 149 INTERRUPTIBLE_RETURN_INT((int)::accept(fd, him, (socklen_t*) len), os::Solaris::clear_interrupted); | |
| 150 } | |
| 151 | |
| 152 inline int hpi::recvfrom(int fd, char *buf, int nBytes, int flags, | |
| 153 sockaddr *from, int *fromlen) { | |
| 154 //%%note jvm_r11 | |
| 155 INTERRUPTIBLE_RETURN_INT((int)::recvfrom(fd, buf, nBytes, (unsigned int) flags, from, (socklen_t *)fromlen), os::Solaris::clear_interrupted); | |
| 156 } | |
| 157 | |
| 158 inline int hpi::sendto(int fd, char *buf, int len, int flags, | |
| 159 struct sockaddr *to, int tolen) { | |
| 160 //%%note jvm_r11 | |
| 161 INTERRUPTIBLE_RETURN_INT((int)::sendto(fd, buf, len, (unsigned int) flags, to, tolen),os::Solaris::clear_interrupted); | |
| 162 } | |
| 163 | |
| 164 inline int hpi::socket_available(int fd, jint *pbytes) { | |
| 165 if (fd < 0) | |
| 166 return OS_OK; | |
| 167 | |
| 168 int ret; | |
| 169 | |
| 170 RESTARTABLE(::ioctl(fd, FIONREAD, pbytes), ret); | |
| 171 | |
| 172 //%% note ioctl can return 0 when successful, JVM_SocketAvailable | |
| 173 // is expected to return 0 on failure and 1 on success to the jdk. | |
| 174 | |
| 175 return (ret == OS_ERR) ? 0 : 1; | |
| 176 } | |
| 177 | |
| 178 | |
| 179 /* | |
| 180 HPIDECL(socket_shutdown, "socket_shutdown", _socket, SocketShutdown, | |
| 181 int, "%d", | |
| 182 (int fd, int howto), | |
| 183 ("fd = %d, howto = %d", fd, howto), | |
| 184 (fd, howto)); | |
| 185 */ | |
| 186 inline int hpi::socket_shutdown(int fd, int howto){ | |
| 187 return ::shutdown(fd, howto); | |
| 188 } | |
| 189 | |
| 190 /* | |
| 191 HPIDECL(bind, "bind", _socket, Bind, | |
| 192 int, "%d", | |
| 193 (int fd, struct sockaddr *him, int len), | |
| 194 ("fd = %d, him = %p, len = %d", | |
| 195 fd, him, len), | |
| 196 (fd, him, len)); | |
| 197 */ | |
| 198 inline int hpi::bind(int fd, struct sockaddr *him, int len){ | |
| 199 INTERRUPTIBLE_RETURN_INT_NORESTART(::bind(fd, him, len),os::Solaris::clear_interrupted); | |
| 200 } | |
| 201 | |
| 202 /* | |
| 203 HPIDECL(get_sock_name, "get_sock_name", _socket, GetSocketName, | |
| 204 int, "%d", | |
| 205 (int fd, struct sockaddr *him, int *len), | |
| 206 ("fd = %d, him = %p, len = %p", | |
| 207 fd, him, len), | |
| 208 (fd, him, len)); | |
| 209 */ | |
| 210 inline int hpi::get_sock_name(int fd, struct sockaddr *him, int *len){ | |
| 211 return ::getsockname(fd, him, (socklen_t*) len); | |
| 212 } | |
| 213 | |
| 214 /* | |
| 215 HPIDECL(get_host_name, "get_host_name", _socket, GetHostName, int, "%d", | |
| 216 (char *hostname, int namelen), | |
| 217 ("hostname = %p, namelen = %d", | |
| 218 hostname, namelen), | |
| 219 (hostname, namelen)); | |
| 220 */ | |
| 221 inline int hpi::get_host_name(char* name, int namelen){ | |
| 222 return ::gethostname(name, namelen); | |
| 223 } | |
| 224 | |
| 225 /* | |
| 226 HPIDECL(get_sock_opt, "get_sock_opt", _socket, SocketGetOption, int, "%d", | |
| 227 (int fd, int level, int optname, char *optval, int* optlen), | |
| 228 ("fd = %d, level = %d, optname = %d, optval = %p, optlen = %p", | |
| 229 fd, level, optname, optval, optlen), | |
| 230 (fd, level, optname, optval, optlen)); | |
| 231 */ | |
| 232 inline int hpi::get_sock_opt(int fd, int level, int optname, | |
| 233 char *optval, int* optlen){ | |
| 234 return ::getsockopt(fd, level, optname, optval, (socklen_t*) optlen); | |
| 235 } | |
| 236 | |
| 237 /* | |
| 238 HPIDECL(set_sock_opt, "set_sock_opt", _socket, SocketSetOption, int, "%d", | |
| 239 (int fd, int level, int optname, const char *optval, int optlen), | |
| 240 ("fd = %d, level = %d, optname = %d, optval = %p, optlen = %d", | |
| 241 fd, level, optname, optval, optlen), | |
| 242 (fd, level, optname, optval, optlen)); | |
| 243 */ | |
| 244 inline int hpi::set_sock_opt(int fd, int level, int optname, | |
| 245 const char *optval, int optlen){ | |
| 246 return ::setsockopt(fd, level, optname, optval, optlen); | |
| 247 } | |
| 248 | |
| 249 //Reconciliation History | |
| 250 // 1.3 98/10/21 18:17:14 hpi_win32.hpp | |
| 251 // 1.6 99/06/28 11:01:36 hpi_win32.hpp | |
| 252 //End | |
| 1972 | 253 |
| 254 #endif // OS_SOLARIS_VM_HPI_SOLARIS_HPP |