1 /*
   2  * Copyright (c) 2018, 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 /*
  27  * Test if rsocket is available
  28  */
  29 #ifdef __linux__
  30     #include <rdma/rsocket.h>
  31 #endif
  32 #include "jni.h"
  33 
  34 /*
  35  * Class:     RsocketTest
  36  * Method:    isRsocketAvailable0
  37  * Signature: ()Z
  38  */
  39 JNIEXPORT jboolean Java_RsocketTest_isRsocketAvailable0(JNIEnv *env, jclass cls) {
  40 #ifdef __linux
  41     int s = rsocket(AF_INET, SOCK_STREAM, 0);
  42     if (s > 0) {
  43         return JNI_TRUE;
  44     }
  45 #endif
  46     return JNI_FALSE;
  47 }