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
Java_sun_nio_ch_UnixAsynchronousSocketChannelImpl_checkConnect(JNIEnv * env,jobject this,int fd)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 }
54