Mercurial > hg > truffle
annotate src/os/linux/vm/hpi_linux.hpp @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
|---|---|
| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | 2a1a77d3458f |
| children | f95d63e2154a |
| rev | line source |
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| 0 | 1 /* |
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2 * Copyright (c) 1999, 2005, 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 | |
| 25 // | |
| 26 // Because the interruptible IO has been dropped for HotSpot/Linux, | |
| 27 // the following HPI interface is very different from HotSparc. | |
| 28 // | |
| 29 | |
| 30 #include <unistd.h> | |
| 31 #include <sys/socket.h> | |
| 32 #include <sys/poll.h> | |
| 33 #include <sys/ioctl.h> | |
| 34 #include <netdb.h> | |
| 35 | |
| 36 // HPI_FileInterface | |
| 37 | |
| 38 inline int hpi::close(int fd) { | |
| 39 return ::close(fd); | |
| 40 } | |
| 41 | |
| 42 inline size_t hpi::read(int fd, void *buf, unsigned int nBytes) { | |
| 43 size_t res; | |
| 44 RESTARTABLE( (size_t) ::read(fd, buf, (size_t) nBytes), res); | |
| 45 return res; | |
| 46 } | |
| 47 | |
| 48 inline size_t hpi::write(int fd, const void *buf, unsigned int nBytes) { | |
| 49 size_t res; | |
| 50 RESTARTABLE((size_t) ::write(fd, buf, (size_t) nBytes), res); | |
| 51 return res; | |
| 52 } | |
| 53 | |
| 54 | |
| 55 // HPI_SocketInterface | |
| 56 | |
| 57 inline int hpi::socket_close(int fd) { | |
| 58 return ::close(fd); | |
| 59 } | |
| 60 | |
| 61 inline int hpi::socket(int domain, int type, int protocol) { | |
| 62 return ::socket(domain, type, protocol); | |
| 63 } | |
| 64 | |
| 65 inline int hpi::recv(int fd, char *buf, int nBytes, int flags) { | |
| 66 RESTARTABLE_RETURN_INT(::recv(fd, buf, nBytes, (unsigned int) flags)); | |
| 67 } | |
| 68 | |
| 69 inline int hpi::send(int fd, char *buf, int nBytes, int flags) { | |
| 70 RESTARTABLE_RETURN_INT(::send(fd, buf, nBytes, (unsigned int) flags)); | |
| 71 } | |
| 72 | |
| 222 | 73 inline int hpi::raw_send(int fd, char *buf, int nBytes, int flags) { |
| 74 return send(fd, buf, nBytes, flags); | |
| 75 } | |
| 76 | |
| 0 | 77 inline int hpi::timeout(int fd, long timeout) { |
| 78 julong prevtime,newtime; | |
| 79 struct timeval t; | |
| 80 | |
| 81 gettimeofday(&t, NULL); | |
| 82 prevtime = ((julong)t.tv_sec * 1000) + t.tv_usec / 1000; | |
| 83 | |
| 84 for(;;) { | |
| 85 struct pollfd pfd; | |
| 86 | |
| 87 pfd.fd = fd; | |
| 88 pfd.events = POLLIN | POLLERR; | |
| 89 | |
| 90 int res = ::poll(&pfd, 1, timeout); | |
| 91 | |
| 92 if (res == OS_ERR && errno == EINTR) { | |
| 93 | |
| 94 // On Linux any value < 0 means "forever" | |
| 95 | |
| 96 if(timeout >= 0) { | |
| 97 gettimeofday(&t, NULL); | |
| 98 newtime = ((julong)t.tv_sec * 1000) + t.tv_usec / 1000; | |
| 99 timeout -= newtime - prevtime; | |
| 100 if(timeout <= 0) | |
| 101 return OS_OK; | |
| 102 prevtime = newtime; | |
| 103 } | |
| 104 } else | |
| 105 return res; | |
| 106 } | |
| 107 } | |
| 108 | |
| 109 inline int hpi::listen(int fd, int count) { | |
| 110 return ::listen(fd, count); | |
| 111 } | |
| 112 | |
| 113 inline int hpi::connect(int fd, struct sockaddr *him, int len) { | |
| 114 RESTARTABLE_RETURN_INT(::connect(fd, him, len)); | |
| 115 } | |
| 116 | |
| 117 inline int hpi::accept(int fd, struct sockaddr *him, int *len) { | |
| 118 // This cast is from int to unsigned int on linux. Since we | |
| 119 // only pass the parameter "len" around the vm and don't try to | |
| 120 // fetch it's value, this cast is safe for now. The java.net group | |
| 121 // may need and want to change this interface someday if socklen_t goes | |
| 122 // to 64 bits on some platform that we support. | |
| 123 // Linux doc says this can't return EINTR, unlike accept() on Solaris | |
| 124 | |
| 125 return ::accept(fd, him, (socklen_t *)len); | |
| 126 } | |
| 127 | |
| 128 inline int hpi::recvfrom(int fd, char *buf, int nBytes, int flags, | |
| 129 sockaddr *from, int *fromlen) { | |
| 130 RESTARTABLE_RETURN_INT(::recvfrom(fd, buf, nBytes, (unsigned int) flags, from, (socklen_t *)fromlen)); | |
| 131 } | |
| 132 | |
| 133 inline int hpi::sendto(int fd, char *buf, int len, int flags, | |
| 134 struct sockaddr *to, int tolen) { | |
| 135 RESTARTABLE_RETURN_INT(::sendto(fd, buf, len, (unsigned int) flags, to, tolen)); | |
| 136 } | |
| 137 | |
| 138 inline int hpi::socket_available(int fd, jint *pbytes) { | |
| 139 // Linux doc says EINTR not returned, unlike Solaris | |
| 140 int ret = ::ioctl(fd, FIONREAD, pbytes); | |
| 141 | |
| 142 //%% note ioctl can return 0 when successful, JVM_SocketAvailable | |
| 143 // is expected to return 0 on failure and 1 on success to the jdk. | |
| 144 return (ret < 0) ? 0 : 1; | |
| 145 } | |
| 146 | |
| 147 | |
| 148 // following methods have been updated to avoid problems in | |
| 149 // hpi's sockets calls based on sys_api_td.c (JDK1.3) | |
| 150 | |
| 151 /* | |
| 152 HPIDECL(socket_shutdown, "socket_shutdown", _socket, SocketShutdown, | |
| 153 int, "%d", | |
| 154 (int fd, int howto), | |
| 155 ("fd = %d, howto = %d", fd, howto), | |
| 156 (fd, howto)); | |
| 157 */ | |
| 158 inline int hpi::socket_shutdown(int fd, int howto){ | |
| 159 return ::shutdown(fd, howto); | |
| 160 } | |
| 161 | |
| 162 /* | |
| 163 HPIDECL(bind, "bind", _socket, Bind, | |
| 164 int, "%d", | |
| 165 (int fd, struct sockaddr *him, int len), | |
| 166 ("fd = %d, him = %p, len = %d", | |
| 167 fd, him, len), | |
| 168 (fd, him, len)); | |
| 169 */ | |
| 170 inline int hpi::bind(int fd, struct sockaddr *him, int len){ | |
| 171 return ::bind(fd, him, len); | |
| 172 } | |
| 173 | |
| 174 /* | |
| 175 HPIDECL(get_sock_name, "get_sock_name", _socket, GetSocketName, | |
| 176 int, "%d", | |
| 177 (int fd, struct sockaddr *him, int *len), | |
| 178 ("fd = %d, him = %p, len = %p", | |
| 179 fd, him, len), | |
| 180 (fd, him, len)); | |
| 181 */ | |
| 182 inline int hpi::get_sock_name(int fd, struct sockaddr *him, int *len){ | |
| 183 return ::getsockname(fd, him, (socklen_t *)len); | |
| 184 } | |
| 185 | |
| 186 /* | |
| 187 HPIDECL(get_host_name, "get_host_name", _socket, GetHostName, int, "%d", | |
| 188 (char *hostname, int namelen), | |
| 189 ("hostname = %p, namelen = %d", | |
| 190 hostname, namelen), | |
| 191 (hostname, namelen)); | |
| 192 */ | |
| 193 inline int hpi::get_host_name(char* name, int namelen){ | |
| 194 return ::gethostname(name, namelen); | |
| 195 } | |
| 196 | |
| 197 /* | |
| 198 HPIDECL(get_sock_opt, "get_sock_opt", _socket, SocketGetOption, int, "%d", | |
| 199 (int fd, int level, int optname, char *optval, int* optlen), | |
| 200 ("fd = %d, level = %d, optname = %d, optval = %p, optlen = %p", | |
| 201 fd, level, optname, optval, optlen), | |
| 202 (fd, level, optname, optval, optlen)); | |
| 203 */ | |
| 204 inline int hpi::get_sock_opt(int fd, int level, int optname, | |
| 205 char *optval, int* optlen){ | |
| 206 return ::getsockopt(fd, level, optname, optval, (socklen_t *)optlen); | |
| 207 } | |
| 208 | |
| 209 /* | |
| 210 HPIDECL(set_sock_opt, "set_sock_opt", _socket, SocketSetOption, int, "%d", | |
| 211 (int fd, int level, int optname, const char *optval, int optlen), | |
| 212 ("fd = %d, level = %d, optname = %d, optval = %p, optlen = %d", | |
| 213 fd, level, optname, optval, optlen), | |
| 214 (fd, level, optname, optval, optlen)); | |
| 215 */ | |
| 216 inline int hpi::set_sock_opt(int fd, int level, int optname, | |
| 217 const char *optval, int optlen){ | |
| 218 return ::setsockopt(fd, level, optname, optval, optlen); | |
| 219 } | |
| 220 | |
| 221 | |
| 222 // Reconciliation History | |
| 223 // hpi_solaris.hpp 1.9 99/08/30 16:31:23 | |
| 224 // End |