| /* |
| * Copyright 1999-2005 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| * |
| */ |
| |
| // |
| // Because the interruptible IO has been dropped for HotSpot/Linux, |
| // the following HPI interface is very different from HotSparc. |
| // |
| |
| #include <unistd.h> |
| #include <sys/socket.h> |
| #include <sys/poll.h> |
| #include <sys/ioctl.h> |
| #include <netdb.h> |
| |
| // HPI_FileInterface |
| |
| inline int hpi::close(int fd) { |
| return ::close(fd); |
| } |
| |
| inline size_t hpi::read(int fd, void *buf, unsigned int nBytes) { |
| size_t res; |
| RESTARTABLE( (size_t) ::read(fd, buf, (size_t) nBytes), res); |
| return res; |
| } |
| |
| inline size_t hpi::write(int fd, const void *buf, unsigned int nBytes) { |
| size_t res; |
| RESTARTABLE((size_t) ::write(fd, buf, (size_t) nBytes), res); |
| return res; |
| } |
| |
| |
| // HPI_SocketInterface |
| |
| inline int hpi::socket_close(int fd) { |
| return ::close(fd); |
| } |
| |
| inline int hpi::socket(int domain, int type, int protocol) { |
| return ::socket(domain, type, protocol); |
| } |
| |
| inline int hpi::recv(int fd, char *buf, int nBytes, int flags) { |
| RESTARTABLE_RETURN_INT(::recv(fd, buf, nBytes, (unsigned int) flags)); |
| } |
| |
| inline int hpi::send(int fd, char *buf, int nBytes, int flags) { |
| RESTARTABLE_RETURN_INT(::send(fd, buf, nBytes, (unsigned int) flags)); |
| } |
| |
| inline int hpi::timeout(int fd, long timeout) { |
| julong prevtime,newtime; |
| struct timeval t; |
| |
| gettimeofday(&t, NULL); |
| prevtime = ((julong)t.tv_sec * 1000) + t.tv_usec / 1000; |
| |
| for(;;) { |
| struct pollfd pfd; |
| |
| pfd.fd = fd; |
| pfd.events = POLLIN | POLLERR; |
| |
| int res = ::poll(&pfd, 1, timeout); |
| |
| if (res == OS_ERR && errno == EINTR) { |
| |
| // On Linux any value < 0 means "forever" |
| |
| if(timeout >= 0) { |
| gettimeofday(&t, NULL); |
| newtime = ((julong)t.tv_sec * 1000) + t.tv_usec / 1000; |
| timeout -= newtime - prevtime; |
| if(timeout <= 0) |
| return OS_OK; |
| prevtime = newtime; |
| } |
| } else |
| return res; |
| } |
| } |
| |
| inline int hpi::listen(int fd, int count) { |
| return ::listen(fd, count); |
| } |
| |
| inline int hpi::connect(int fd, struct sockaddr *him, int len) { |
| RESTARTABLE_RETURN_INT(::connect(fd, him, len)); |
| } |
| |
| inline int hpi::accept(int fd, struct sockaddr *him, int *len) { |
| // This cast is from int to unsigned int on linux. Since we |
| // only pass the parameter "len" around the vm and don't try to |
| // fetch it's value, this cast is safe for now. The java.net group |
| // may need and want to change this interface someday if socklen_t goes |
| // to 64 bits on some platform that we support. |
| // Linux doc says this can't return EINTR, unlike accept() on Solaris |
| |
| return ::accept(fd, him, (socklen_t *)len); |
| } |
| |
| inline int hpi::recvfrom(int fd, char *buf, int nBytes, int flags, |
| sockaddr *from, int *fromlen) { |
| RESTARTABLE_RETURN_INT(::recvfrom(fd, buf, nBytes, (unsigned int) flags, from, (socklen_t *)fromlen)); |
| } |
| |
| inline int hpi::sendto(int fd, char *buf, int len, int flags, |
| struct sockaddr *to, int tolen) { |
| RESTARTABLE_RETURN_INT(::sendto(fd, buf, len, (unsigned int) flags, to, tolen)); |
| } |
| |
| inline int hpi::socket_available(int fd, jint *pbytes) { |
| // Linux doc says EINTR not returned, unlike Solaris |
| int ret = ::ioctl(fd, FIONREAD, pbytes); |
| |
| //%% note ioctl can return 0 when successful, JVM_SocketAvailable |
| // is expected to return 0 on failure and 1 on success to the jdk. |
| return (ret < 0) ? 0 : 1; |
| } |
| |
| |
| // following methods have been updated to avoid problems in |
| // hpi's sockets calls based on sys_api_td.c (JDK1.3) |
| |
| /* |
| HPIDECL(socket_shutdown, "socket_shutdown", _socket, SocketShutdown, |
| int, "%d", |
| (int fd, int howto), |
| ("fd = %d, howto = %d", fd, howto), |
| (fd, howto)); |
| */ |
| inline int hpi::socket_shutdown(int fd, int howto){ |
| return ::shutdown(fd, howto); |
| } |
| |
| /* |
| HPIDECL(bind, "bind", _socket, Bind, |
| int, "%d", |
| (int fd, struct sockaddr *him, int len), |
| ("fd = %d, him = %p, len = %d", |
| fd, him, len), |
| (fd, him, len)); |
| */ |
| inline int hpi::bind(int fd, struct sockaddr *him, int len){ |
| return ::bind(fd, him, len); |
| } |
| |
| /* |
| HPIDECL(get_sock_name, "get_sock_name", _socket, GetSocketName, |
| int, "%d", |
| (int fd, struct sockaddr *him, int *len), |
| ("fd = %d, him = %p, len = %p", |
| fd, him, len), |
| (fd, him, len)); |
| */ |
| inline int hpi::get_sock_name(int fd, struct sockaddr *him, int *len){ |
| return ::getsockname(fd, him, (socklen_t *)len); |
| } |
| |
| /* |
| HPIDECL(get_host_name, "get_host_name", _socket, GetHostName, int, "%d", |
| (char *hostname, int namelen), |
| ("hostname = %p, namelen = %d", |
| hostname, namelen), |
| (hostname, namelen)); |
| */ |
| inline int hpi::get_host_name(char* name, int namelen){ |
| return ::gethostname(name, namelen); |
| } |
| |
| /* |
| HPIDECL(get_sock_opt, "get_sock_opt", _socket, SocketGetOption, int, "%d", |
| (int fd, int level, int optname, char *optval, int* optlen), |
| ("fd = %d, level = %d, optname = %d, optval = %p, optlen = %p", |
| fd, level, optname, optval, optlen), |
| (fd, level, optname, optval, optlen)); |
| */ |
| inline int hpi::get_sock_opt(int fd, int level, int optname, |
| char *optval, int* optlen){ |
| return ::getsockopt(fd, level, optname, optval, (socklen_t *)optlen); |
| } |
| |
| /* |
| HPIDECL(set_sock_opt, "set_sock_opt", _socket, SocketSetOption, int, "%d", |
| (int fd, int level, int optname, const char *optval, int optlen), |
| ("fd = %d, level = %d, optname = %d, optval = %p, optlen = %d", |
| fd, level, optname, optval, optlen), |
| (fd, level, optname, optval, optlen)); |
| */ |
| inline int hpi::set_sock_opt(int fd, int level, int optname, |
| const char *optval, int optlen){ |
| return ::setsockopt(fd, level, optname, optval, optlen); |
| } |
| |
| |
| // Reconciliation History |
| // hpi_solaris.hpp 1.9 99/08/30 16:31:23 |
| // End |