Mercurial > hg > graal-compiler
view src/os/linux/vm/hpi_linux.hpp @ 507:3cd5c5b027b1
6788797: Fork HS14 to HS15 - renumber Major and build numbers of JVM
Summary: fork Hotspot 15 - redo verisoning numbers
Reviewed-by: jcoomes
author | trims |
---|---|
date | Tue, 23 Dec 2008 19:28:18 -0800 |
parents | 2a1a77d3458f |
children | c18cbe5936b8 |
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/* * 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::raw_send(int fd, char *buf, int nBytes, int flags) { return send(fd, buf, nBytes, 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