--- old/src/java.base/windows/native/libjava/ConcurrentPReader_md.c 2015-06-23 14:29:32.000000000 +0200 +++ /dev/null 2015-06-23 14:29:32.000000000 +0200 @@ -1,64 +0,0 @@ -/* - * Copyright (c) 2014, 2015, 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 "jni_util.h" -#include "jlong.h" -#include "jdk_internal_jimage_concurrent_ConcurrentPReader.h" - -static jfieldID handle_fdID; - -JNIEXPORT void JNICALL -Java_jdk_internal_jimage_concurrent_ConcurrentPReader_initIDs(JNIEnv *env, jclass clazz) -{ - CHECK_NULL(clazz = (*env)->FindClass(env, "java/io/FileDescriptor")); - CHECK_NULL(handle_fdID = (*env)->GetFieldID(env, clazz, "handle", "J")); -} - -JNIEXPORT jint JNICALL -Java_jdk_internal_jimage_concurrent_ConcurrentPReader_pread(JNIEnv *env, jclass clazz, - jobject fdo, jlong address, - jint len, jlong offset) -{ - OVERLAPPED ov; - DWORD nread; - BOOL result; - - HANDLE handle = (HANDLE)(*env)->GetLongField(env, fdo, handle_fdID); - void *buf = (void *)jlong_to_ptr(address); - - ZeroMemory(&ov, sizeof(ov)); - ov.Offset = (DWORD)offset; - ov.OffsetHigh = (DWORD)(offset >> 32); - - result = ReadFile(handle, (LPVOID)buf, len, &nread, &ov); - if (result == 0) { - JNU_ThrowIOExceptionWithLastError(env, "ReadFile failed"); - } - - return nread; -} -