1/*
2 * Copyright (c) 2019, 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/uio.h>
28 #include <unistd.h>
29
30 #include "jni.h"
31 #include "jni_util.h"
32 #include "jlong.h"
33 #include "nio.h"
34 #include "nio_util.h"
35 #include "sun_nio_ch_SocketDispatcher.h"
36
37 JNIEXPORT jint JNICALL
38 Java_sun_nio_ch_SocketDispatcher_read0(JNIEnv *env, jclass clazz,
39 jobject fdo, jlong address, jint len)
40 {
41 jint fd = fdval(env, fdo);
42 void *buf = (void *)jlong_to_ptr(address);
43 jint n = read(fd, buf, len);
44 if ((n == -1) && (errno == ECONNRESET || errno == EPIPE)) {
45 JNU_ThrowByName(env, "sun/net/ConnectionResetException", "Connection reset");
46 return IOS_THROWN;
47 } else {
48 return convertReturnVal(env, n, JNI_TRUE);
49 }
50 }
51
52 JNIEXPORT jlong JNICALL
53 Java_sun_nio_ch_SocketDispatcher_readv0(JNIEnv *env, jclass clazz,
54 jobject fdo, jlong address, jint len)
55 {
56 jint fd = fdval(env, fdo);
57 struct iovec *iov = (struct iovec *)jlong_to_ptr(address);
58 jlong n = readv(fd, iov, len);
59 if ((n == -1) && (errno == ECONNRESET || errno == EPIPE)) {
60 JNU_ThrowByName(env, "sun/net/ConnectionResetException", "Connection reset");
61 return IOS_THROWN;
62 } else {
63 return convertLongReturnVal(env, n, JNI_TRUE);
64 }
65 }
66