diff --git a/src/java.base/linux/native/libnio/ch/SocketDispatcher.c b/src/java.base/linux/native/libnio/ch/SocketDispatcher.c deleted file mode 100644 index 41bd1bf51342d..0000000000000 --- a/src/java.base/linux/native/libnio/ch/SocketDispatcher.c +++ /dev/null @@ -1,122 +0,0 @@ -/* - * Copyright (c) 2019, 2022, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - - #include - #include - #include - - #include "jni.h" - #include "jni_util.h" - #include "jlong.h" - #include "nio.h" - #include "nio_util.h" - #include "sun_nio_ch_SocketDispatcher.h" - -// MAX_SKIP_BUFFER_SIZE is used to determine the maximum buffer size to -// use when skipping. -static const ssize_t MAX_SKIP_BUFFER_SIZE = 4096; - - JNIEXPORT jint JNICALL - Java_sun_nio_ch_SocketDispatcher_read0(JNIEnv *env, jclass clazz, - jobject fdo, jlong address, jint len) - { - jint fd = fdval(env, fdo); - void *buf = (void *)jlong_to_ptr(address); - jint n = read(fd, buf, len); - if ((n == -1) && (errno == ECONNRESET || errno == EPIPE)) { - JNU_ThrowByName(env, "sun/net/ConnectionResetException", "Connection reset"); - return IOS_THROWN; - } else { - return convertReturnVal(env, n, JNI_TRUE); - } - } - - JNIEXPORT jlong JNICALL - Java_sun_nio_ch_SocketDispatcher_readv0(JNIEnv *env, jclass clazz, - jobject fdo, jlong address, jint len) - { - jint fd = fdval(env, fdo); - struct iovec *iov = (struct iovec *)jlong_to_ptr(address); - jlong n = readv(fd, iov, len); - if ((n == -1) && (errno == ECONNRESET || errno == EPIPE)) { - JNU_ThrowByName(env, "sun/net/ConnectionResetException", "Connection reset"); - return IOS_THROWN; - } else { - return convertLongReturnVal(env, n, JNI_TRUE); - } - } - -JNIEXPORT jint JNICALL -Java_sun_nio_ch_SocketDispatcher_write0(JNIEnv *env, jclass clazz, - jobject fdo, jlong address, jint len) -{ - jint fd = fdval(env, fdo); - void *buf = (void *)jlong_to_ptr(address); - - return convertReturnVal(env, write(fd, buf, len), JNI_FALSE); -} - -JNIEXPORT jlong JNICALL -Java_sun_nio_ch_SocketDispatcher_writev0(JNIEnv *env, jclass clazz, - jobject fdo, jlong address, jint len) -{ - jint fd = fdval(env, fdo); - struct iovec *iov = (struct iovec *)jlong_to_ptr(address); - return convertLongReturnVal(env, writev(fd, iov, len), JNI_FALSE); -} - -JNIEXPORT jlong JNICALL -Java_sun_nio_ch_SocketDispatcher_skip0(JNIEnv *env, jclass cl, jobject fdo, jlong n) -{ - if (n < 1) - return 0; - - const jint fd = fdval(env, fdo); - - const long bs = n < MAX_SKIP_BUFFER_SIZE ? (long) n : MAX_SKIP_BUFFER_SIZE; - char buf[bs]; - jlong tn = 0; - - for (;;) { - const jlong remaining = n - tn; - const ssize_t count = remaining < bs ? (ssize_t) remaining : bs; - const ssize_t nr = read(fd, buf, count); - if (nr < 0) { - if (errno == EAGAIN || errno == EWOULDBLOCK) { - return tn; - } else if (errno == EINTR) { - return IOS_INTERRUPTED; - } else { - JNU_ThrowIOExceptionWithLastError(env, "read"); - return IOS_THROWN; - } - } - if (nr > 0) - tn += nr; - if (nr == bs) - continue; - return tn; - } -}