--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/os/linux/vm/hpi_linux.hpp Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,220 @@
+/*
+ * 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