Elliott Hughes | fc549a0 | 2011-03-24 16:38:05 -0700 | [diff] [blame] | 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 | |
Elliott Hughes | 5d930ca | 2014-04-23 17:53:37 -0700 | [diff] [blame] | 17 | package android.system; |
Elliott Hughes | fc549a0 | 2011-03-24 16:38:05 -0700 | [diff] [blame] | 18 | |
Elliott Hughes | fe77f81 | 2014-04-29 17:59:30 -0700 | [diff] [blame] | 19 | import libcore.util.Objects; |
| 20 | |
Elliott Hughes | fc549a0 | 2011-03-24 16:38:05 -0700 | [diff] [blame] | 21 | /** |
| 22 | * Information returned/taken by fcntl(2) F_GETFL and F_SETFL. Corresponds to C's |
| 23 | * {@code struct flock} from |
| 24 | * <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/fcntl.h.html"><fcntl.h></a> |
Elliott Hughes | 5d930ca | 2014-04-23 17:53:37 -0700 | [diff] [blame] | 25 | * |
| 26 | * @hide |
Elliott Hughes | fc549a0 | 2011-03-24 16:38:05 -0700 | [diff] [blame] | 27 | */ |
| 28 | public final class StructFlock { |
Elliott Hughes | fe77f81 | 2014-04-29 17:59:30 -0700 | [diff] [blame] | 29 | /** The operation type, one of F_RDLCK, F_WRLCK, or F_UNLCK. */ |
| 30 | public short l_type; |
Elliott Hughes | fc549a0 | 2011-03-24 16:38:05 -0700 | [diff] [blame] | 31 | |
Elliott Hughes | fe77f81 | 2014-04-29 17:59:30 -0700 | [diff] [blame] | 32 | /** How to interpret l_start, one of SEEK_CUR, SEEK_END, SEEK_SET. */ |
| 33 | public short l_whence; |
Elliott Hughes | fc549a0 | 2011-03-24 16:38:05 -0700 | [diff] [blame] | 34 | |
Elliott Hughes | fe77f81 | 2014-04-29 17:59:30 -0700 | [diff] [blame] | 35 | /** Start offset. */ |
| 36 | public long l_start; /*off_t*/ |
Elliott Hughes | fc549a0 | 2011-03-24 16:38:05 -0700 | [diff] [blame] | 37 | |
Elliott Hughes | fe77f81 | 2014-04-29 17:59:30 -0700 | [diff] [blame] | 38 | /** Byte count to operate on. */ |
| 39 | public long l_len; /*off_t*/ |
Elliott Hughes | fc549a0 | 2011-03-24 16:38:05 -0700 | [diff] [blame] | 40 | |
Elliott Hughes | fe77f81 | 2014-04-29 17:59:30 -0700 | [diff] [blame] | 41 | /** Process blocking our lock (filled in by F_GETLK, otherwise unused). */ |
| 42 | public int l_pid; /*pid_t*/ |
| 43 | |
| 44 | @Override public String toString() { |
| 45 | return Objects.toString(this); |
| 46 | } |
Elliott Hughes | fc549a0 | 2011-03-24 16:38:05 -0700 | [diff] [blame] | 47 | } |