| /* |
| * Copyright (c) 2000, 2010, Oracle and/or its affiliates. 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #include <netdb.h> |
| #include <sys/types.h> |
| #include <sys/socket.h> |
| #include <stdlib.h> |
| #include <errno.h> |
| #include <string.h> |
| #include <poll.h> |
| |
| #if __linux__ |
| #include <netinet/in.h> |
| #endif |
| |
| #include "jni.h" |
| #include "jni_util.h" |
| #include "net_util.h" |
| #include "jvm.h" |
| #include "jlong.h" |
| #include "sun_nio_ch_SocketChannelImpl.h" |
| #include "nio_util.h" |
| #include "nio.h" |
| |
| |
| JNIEXPORT jint JNICALL |
| Java_sun_nio_ch_SocketChannelImpl_checkConnect(JNIEnv *env, jobject this, |
| jobject fdo, jboolean block, |
| jboolean ready) |
| { |
| int error = 0; |
| socklen_t n = sizeof(int); |
| jint fd = fdval(env, fdo); |
| int result = 0; |
| struct pollfd poller; |
| |
| poller.revents = 1; |
| if (!ready) { |
| poller.fd = fd; |
| poller.events = POLLOUT; |
| poller.revents = 0; |
| result = poll(&poller, 1, block ? -1 : 0); |
| if (result < 0) { |
| JNU_ThrowIOExceptionWithLastError(env, "Poll failed"); |
| return IOS_THROWN; |
| } |
| if (!block && (result == 0)) |
| return IOS_UNAVAILABLE; |
| } |
| |
| if (poller.revents) { |
| errno = 0; |
| result = getsockopt(fd, SOL_SOCKET, SO_ERROR, &error, &n); |
| if (result < 0) { |
| handleSocketError(env, errno); |
| return JNI_FALSE; |
| } else if (error) { |
| handleSocketError(env, error); |
| return JNI_FALSE; |
| } |
| return 1; |
| } |
| return 0; |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_sun_nio_ch_SocketChannelImpl_sendOutOfBandData(JNIEnv* env, jclass this, |
| jobject fdo, jbyte b) |
| { |
| int n = send(fdval(env, fdo), (const void*)&b, 1, MSG_OOB); |
| return convertReturnVal(env, n, JNI_FALSE); |
| } |