1 /* 2 * Copyright (c) 2008, 2012, 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 package sun.nio.fs; 27 28 import java.security.AccessController; 29 import java.security.PrivilegedAction; 30 31 /** 32 * Linux specific system calls. 33 */ 34 35 class LinuxNativeDispatcher extends UnixNativeDispatcher { LinuxNativeDispatcher()36 private LinuxNativeDispatcher() { } 37 38 /** 39 * FILE *setmntent(const char *filename, const char *type); 40 */ setmntent(byte[] filename, byte[] type)41 static long setmntent(byte[] filename, byte[] type) throws UnixException { 42 NativeBuffer pathBuffer = NativeBuffers.asNativeBuffer(filename); 43 NativeBuffer typeBuffer = NativeBuffers.asNativeBuffer(type); 44 try { 45 return setmntent0(pathBuffer.address(), typeBuffer.address()); 46 } finally { 47 typeBuffer.release(); 48 pathBuffer.release(); 49 } 50 } setmntent0(long pathAddress, long typeAddress)51 private static native long setmntent0(long pathAddress, long typeAddress) 52 throws UnixException; 53 54 /** 55 * int getmntent(FILE *fp, struct mnttab *mp, int len); 56 */ getmntent(long fp, UnixMountEntry entry)57 static native int getmntent(long fp, UnixMountEntry entry) 58 throws UnixException; 59 60 /** 61 * int endmntent(FILE* filep); 62 */ endmntent(long stream)63 static native void endmntent(long stream) throws UnixException; 64 65 /** 66 * ssize_t fgetxattr(int filedes, const char *name, void *value, size_t size); 67 */ fgetxattr(int filedes, byte[] name, long valueAddress, int valueLen)68 static int fgetxattr(int filedes, byte[] name, long valueAddress, 69 int valueLen) throws UnixException 70 { 71 NativeBuffer buffer = NativeBuffers.asNativeBuffer(name); 72 try { 73 return fgetxattr0(filedes, buffer.address(), valueAddress, valueLen); 74 } finally { 75 buffer.release(); 76 } 77 } 78 fgetxattr0(int filedes, long nameAddress, long valueAdddress, int valueLen)79 private static native int fgetxattr0(int filedes, long nameAddress, 80 long valueAdddress, int valueLen) throws UnixException; 81 82 /** 83 * fsetxattr(int filedes, const char *name, const void *value, size_t size, int flags); 84 */ fsetxattr(int filedes, byte[] name, long valueAddress, int valueLen)85 static void fsetxattr(int filedes, byte[] name, long valueAddress, 86 int valueLen) throws UnixException 87 { 88 NativeBuffer buffer = NativeBuffers.asNativeBuffer(name); 89 try { 90 fsetxattr0(filedes, buffer.address(), valueAddress, valueLen); 91 } finally { 92 buffer.release(); 93 } 94 } 95 fsetxattr0(int filedes, long nameAddress, long valueAdddress, int valueLen)96 private static native void fsetxattr0(int filedes, long nameAddress, 97 long valueAdddress, int valueLen) throws UnixException; 98 99 /** 100 * fremovexattr(int filedes, const char *name); 101 */ fremovexattr(int filedes, byte[] name)102 static void fremovexattr(int filedes, byte[] name) throws UnixException { 103 NativeBuffer buffer = NativeBuffers.asNativeBuffer(name); 104 try { 105 fremovexattr0(filedes, buffer.address()); 106 } finally { 107 buffer.release(); 108 } 109 } 110 fremovexattr0(int filedes, long nameAddress)111 private static native void fremovexattr0(int filedes, long nameAddress) 112 throws UnixException; 113 114 /** 115 * size_t flistxattr(int filedes, const char *list, size_t size) 116 */ flistxattr(int filedes, long listAddress, int size)117 static native int flistxattr(int filedes, long listAddress, int size) 118 throws UnixException; 119 120 // initialize init()121 private static native void init(); 122 123 static { 124 // Android-removed: Code to load native libraries, doesn't make sense on Android. 125 /* 126 AccessController.doPrivileged(new PrivilegedAction<Void>() { 127 public Void run() { 128 System.loadLibrary("nio"); 129 return null; 130 }}); 131 */ init()132 init(); 133 } 134 } 135