1 /*
   2  * Copyright (c) 2008, 2010, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #include <sys/types.h>
  27 #include <sys/socket.h>
  28 
  29 #include "jni.h"
  30 #include "jni_util.h"
  31 #include "net_util.h"
  32 #include "jlong.h"
  33 #include "sun_nio_ch_UnixAsynchronousSocketChannelImpl.h"
  34 #include "nio_util.h"
  35 #include "nio.h"
  36 
  37 
  38 JNIEXPORT void JNICALL
  39 Java_sun_nio_ch_UnixAsynchronousSocketChannelImpl_checkConnect(JNIEnv *env,
  40     jobject this, int fd)
  41 {
  42     int error = 0;
  43     socklen_t arglen = sizeof(error);
  44     int result;
  45 
  46     result = getsockopt(fd, SOL_SOCKET, SO_ERROR, &error, &arglen);
  47     if (result < 0) {
  48         JNU_ThrowIOExceptionWithLastError(env, "getsockopt");
  49     } else {
  50         if (error)
  51             handleSocketError(env, error);
  52     }
  53 }