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8187443: Forest Consolidation: Move files to unified layout

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Reviewed-by: darcy, ihse
This commit is contained in:
Erik Joelsson 2017-09-12 19:03:39 +02:00
parent 270fe13182
commit 3789983e89
56923 changed files with 3 additions and 15727 deletions
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133
src/java.base/windows/native/libnio/ch/WindowsAsynchronousFileChannelImpl.c Normal file
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/*
* Copyright (c) 2008, 2017, 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 <windows.h>
#include "jni.h"
#include "jni_util.h"
#include "jlong.h"
#include "nio.h"
#include "nio_util.h"
#include "sun_nio_ch_WindowsAsynchronousFileChannelImpl.h"
JNIEXPORT jint JNICALL
Java_sun_nio_ch_WindowsAsynchronousFileChannelImpl_readFile(JNIEnv* env, jclass this,
jlong handle, jlong address, jint len, jlong offset, jlong ov)
{
BOOL res;
OVERLAPPED* lpOverlapped = (OVERLAPPED*)jlong_to_ptr(ov);
lpOverlapped->Offset = (DWORD)offset;
lpOverlapped->OffsetHigh = (DWORD)((long)(offset >> 32));
lpOverlapped->hEvent = NULL;
res = ReadFile((HANDLE) jlong_to_ptr(handle),
(LPVOID) jlong_to_ptr(address),
(DWORD)len,
NULL,
lpOverlapped);
if (res == 0) {
int error = GetLastError();
if (error == ERROR_IO_PENDING)
return IOS_UNAVAILABLE;
if (error == ERROR_HANDLE_EOF)
return IOS_EOF;
JNU_ThrowIOExceptionWithLastError(env, "ReadFile failed");
return IOS_THROWN;
}
return IOS_UNAVAILABLE;
}
JNIEXPORT jint JNICALL
Java_sun_nio_ch_WindowsAsynchronousFileChannelImpl_writeFile(JNIEnv* env, jclass this,
jlong handle, jlong address, jint len, jlong offset, jlong ov)
{
BOOL res;
OVERLAPPED* lpOverlapped = (OVERLAPPED*)jlong_to_ptr(ov);
lpOverlapped->Offset = (DWORD)offset;
lpOverlapped->OffsetHigh = (DWORD)((long)(offset >> 32));
lpOverlapped->hEvent = NULL;
res = WriteFile((HANDLE)jlong_to_ptr(handle),
(LPVOID) jlong_to_ptr(address),
(DWORD)len,
NULL,
lpOverlapped);
if (res == 0) {
int error = GetLastError();
if (error == ERROR_IO_PENDING)
return IOS_UNAVAILABLE;
JNU_ThrowIOExceptionWithLastError(env, "WriteFile failed");
return IOS_THROWN;
}
return IOS_UNAVAILABLE;
}
JNIEXPORT jint JNICALL
Java_sun_nio_ch_WindowsAsynchronousFileChannelImpl_lockFile(JNIEnv *env, jobject this, jlong handle,
jlong pos, jlong size, jboolean shared, jlong ov)
{
BOOL res;
HANDLE h = jlong_to_ptr(handle);
DWORD lowPos = (DWORD)pos;
long highPos = (long)(pos >> 32);
DWORD lowNumBytes = (DWORD)size;
DWORD highNumBytes = (DWORD)(size >> 32);
DWORD flags = (shared == JNI_TRUE) ? 0 : LOCKFILE_EXCLUSIVE_LOCK;
OVERLAPPED* lpOverlapped = (OVERLAPPED*)jlong_to_ptr(ov);
lpOverlapped->Offset = lowPos;
lpOverlapped->OffsetHigh = highPos;
lpOverlapped->hEvent = NULL;
res = LockFileEx(h, flags, 0, lowNumBytes, highNumBytes, lpOverlapped);
if (res == 0) {
int error = GetLastError();
if (error == ERROR_IO_PENDING) {
return IOS_UNAVAILABLE;
}
JNU_ThrowIOExceptionWithLastError(env, "WriteFile failed");
return IOS_THROWN;
}
return 0;
}
JNIEXPORT void JNICALL
Java_sun_nio_ch_WindowsAsynchronousFileChannelImpl_close0(JNIEnv* env, jclass this,
jlong handle)
{
HANDLE h = (HANDLE)jlong_to_ptr(handle);
BOOL result = CloseHandle(h);
if (result == 0) {
JNU_ThrowIOExceptionWithLastError(env, "Close failed");
}
}