1 /*
2 * Copyright (c) 1999, 2005, 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 //
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
73 inline int hpi::raw_send(int fd, char *buf, int nBytes, int flags) {
74 return send(fd, buf, nBytes, flags);
75 }
76
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