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src/java.base/windows/native/libnio/ch/SocketDispatcher.c

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   1 /*
   2  * Copyright (c) 2000, 2017, 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


 255         int theErr = (jint)WSAGetLastError();
 256         if (theErr == WSAEWOULDBLOCK) {
 257             return IOS_UNAVAILABLE;
 258         }
 259         JNU_ThrowIOExceptionWithLastError(env, "Vector write failed");
 260         return IOS_THROWN;
 261     }
 262 
 263     return convertLongReturnVal(env, count, JNI_FALSE);
 264 }
 265 
 266 JNIEXPORT void JNICALL
 267 Java_sun_nio_ch_SocketDispatcher_preClose0(JNIEnv *env, jclass clazz,
 268                                            jobject fdo)
 269 {
 270     jint fd = fdval(env, fdo);
 271     struct linger l;
 272     int len = sizeof(l);
 273     if (getsockopt(fd, SOL_SOCKET, SO_LINGER, (char *)&l, &len) == 0) {
 274         if (l.l_onoff == 0) {
 275             WSASendDisconnect(fd, NULL);
 276         }
 277     }
 278 }
 279 
 280 JNIEXPORT void JNICALL
 281 Java_sun_nio_ch_SocketDispatcher_close0(JNIEnv *env, jclass clazz,
 282                                          jobject fdo)
 283 {
 284     jint fd = fdval(env, fdo);
 285     if (closesocket(fd) == SOCKET_ERROR) {
 286         JNU_ThrowIOExceptionWithLastError(env, "Socket close failed");
 287     }
 288 }
   1 /*
   2  * Copyright (c) 2000, 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


 255         int theErr = (jint)WSAGetLastError();
 256         if (theErr == WSAEWOULDBLOCK) {
 257             return IOS_UNAVAILABLE;
 258         }
 259         JNU_ThrowIOExceptionWithLastError(env, "Vector write failed");
 260         return IOS_THROWN;
 261     }
 262 
 263     return convertLongReturnVal(env, count, JNI_FALSE);
 264 }
 265 
 266 JNIEXPORT void JNICALL
 267 Java_sun_nio_ch_SocketDispatcher_preClose0(JNIEnv *env, jclass clazz,
 268                                            jobject fdo)
 269 {
 270     jint fd = fdval(env, fdo);
 271     struct linger l;
 272     int len = sizeof(l);
 273     if (getsockopt(fd, SOL_SOCKET, SO_LINGER, (char *)&l, &len) == 0) {
 274         if (l.l_onoff == 0) {
 275                 shutdown(fd, SD_SEND);
 276         }
 277     }
 278 }
 279 
 280 JNIEXPORT void JNICALL
 281 Java_sun_nio_ch_SocketDispatcher_close0(JNIEnv *env, jclass clazz,
 282                                          jobject fdo)
 283 {
 284     jint fd = fdval(env, fdo);
 285     if (closesocket(fd) == SOCKET_ERROR) {
 286         JNU_ThrowIOExceptionWithLastError(env, "Socket close failed");
 287     }
 288 }
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