0N/A/*
3261N/A * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A#include "jni.h"
0N/A#include "jni_util.h"
0N/A
0N/A/*
0N/A * Macros to use the right data type for file descriptors
0N/A */
0N/A#define FD jint
0N/A
0N/A/*
0N/A * Macros to set/get fd from the java.io.FileDescriptor. These
0N/A * macros rely on having an appropriately defined 'this' object
0N/A * within the scope in which they're used.
0N/A * If GetObjectField returns null, SET_FD will stop and GET_FD
0N/A * will simply return -1 to avoid crashing VM.
0N/A */
0N/A
0N/A#define SET_FD(this, fd, fid) \
0N/A if ((*env)->GetObjectField(env, (this), (fid)) != NULL) \
0N/A (*env)->SetIntField(env, (*env)->GetObjectField(env, (this), (fid)),IO_fd_fdID, (fd))
0N/A
0N/A#define GET_FD(this, fid) \
0N/A (*env)->GetObjectField(env, (this), (fid)) == NULL ? \
0N/A -1 : (*env)->GetIntField(env, (*env)->GetObjectField(env, (this), (fid)), IO_fd_fdID)
0N/A
0N/A/*
0N/A * Macros to set/get fd when inside java.io.FileDescriptor
0N/A */
0N/A#define THIS_FD(obj) (*env)->GetIntField(env, obj, IO_fd_fdID)
0N/A
0N/A/*
3200N/A * Route the routines through VM
0N/A */
3200N/A#define IO_Append JVM_Write
0N/A#define IO_Write JVM_Write
0N/A#define IO_Sync JVM_Sync
0N/A#define IO_Read JVM_Read
0N/A#define IO_Lseek JVM_Lseek
0N/A#define IO_Available JVM_Available
0N/A#define IO_SetLength JVM_SetLength
0N/A
0N/A/*
0N/A * On Solaris, the handle field is unused
0N/A */
0N/A#define SET_HANDLE(fd) return (jlong)-1
0N/A
0N/A/*
0N/A * IO helper function(s)
0N/A */
0N/Avoid fileClose(JNIEnv *env, jobject this, jfieldID fid);
5389N/A
5389N/A#ifdef MACOSX
5389N/Ajstring newStringPlatform(JNIEnv *env, const char* str);
5389N/A#endif