Piotr Jastrzebski | 51b1b69 | 2015-02-16 15:01:09 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 1997, 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 "jni.h" |
| 27 | #include "jni_util.h" |
| 28 | #include "jvm.h" |
| 29 | |
| 30 | #include "java_io_FileDescriptor.h" |
| 31 | |
| 32 | /*******************************************************************/ |
| 33 | /* BEGIN JNI ********* BEGIN JNI *********** BEGIN JNI ************/ |
| 34 | /*******************************************************************/ |
| 35 | |
| 36 | /* field id for jint 'fd' in java.io.FileDescriptor */ |
| 37 | jfieldID IO_fd_fdID; |
| 38 | |
| 39 | /************************************************************** |
| 40 | * static methods to store field ID's in initializers |
| 41 | */ |
| 42 | |
| 43 | JNIEXPORT void JNICALL |
| 44 | Java_java_io_FileDescriptor_initIDs(JNIEnv *env, jclass fdClass) { |
| 45 | IO_fd_fdID = (*env)->GetFieldID(env, fdClass, "fd", "I"); |
| 46 | } |
| 47 | |
| 48 | /************************************************************** |
| 49 | * File Descriptor |
| 50 | */ |
| 51 | |
| 52 | JNIEXPORT void JNICALL |
| 53 | Java_java_io_FileDescriptor_sync(JNIEnv *env, jobject this) { |
| 54 | int fd = (*env)->GetIntField(env, this, IO_fd_fdID); |
| 55 | if (JVM_Sync(fd) == -1) { |
| 56 | JNU_ThrowByName(env, "java/io/SyncFailedException", "sync failed"); |
| 57 | } |
| 58 | } |