Posix.java revision 59fa7163774d6930a174bc038414a4b780581957
1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package libcore.io; 18 19import java.io.FileDescriptor; 20 21public final class Posix implements Os { 22 Posix() { } 23 24 public native boolean access(String path, int mode) throws ErrnoException; 25 public native String[] environ(); 26 public native void fdatasync(FileDescriptor fd) throws ErrnoException; 27 public native StructStat fstat(FileDescriptor fd) throws ErrnoException; 28 public native StructStatFs fstatfs(FileDescriptor fd) throws ErrnoException; 29 public native void fsync(FileDescriptor fd) throws ErrnoException; 30 public native void ftruncate(FileDescriptor fd, long length) throws ErrnoException; 31 public native String getenv(String name); 32 public native boolean isatty(FileDescriptor fd); 33 public native long lseek(FileDescriptor fd, long offset, int whence) throws ErrnoException; 34 public native void mincore(long address, long byteCount, byte[] vector) throws ErrnoException; 35 public native void mlock(long address, long byteCount) throws ErrnoException; 36 public native long mmap(long address, long byteCount, int prot, int flags, FileDescriptor fd, long offset) throws ErrnoException; 37 public native void msync(long address, long byteCount, int flags) throws ErrnoException; 38 public native void munlock(long address, long byteCount) throws ErrnoException; 39 public native void munmap(long address, long byteCount) throws ErrnoException; 40 public native FileDescriptor open(String path, int flags, int mode) throws ErrnoException; 41 public native StructStat lstat(String path) throws ErrnoException; 42 public native void rename(String oldPath, String newPath) throws ErrnoException; 43 public native StructStat stat(String path) throws ErrnoException; 44 public native StructStatFs statfs(String path) throws ErrnoException; 45 public native String strerror(int errno); 46 public native void symlink(String oldPath, String newPath) throws ErrnoException; 47 public native long sysconf(int name); 48} 49