1 /* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
2 // vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
3 #ident "$Id$"
4 /*======
5 This file is part of PerconaFT.
6
7
8 Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
9
10 PerconaFT is free software: you can redistribute it and/or modify
11 it under the terms of the GNU General Public License, version 2,
12 as published by the Free Software Foundation.
13
14 PerconaFT is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
21
22 ----------------------------------------
23
24 PerconaFT is free software: you can redistribute it and/or modify
25 it under the terms of the GNU Affero General Public License, version 3,
26 as published by the Free Software Foundation.
27
28 PerconaFT is distributed in the hope that it will be useful,
29 but WITHOUT ANY WARRANTY; without even the implied warranty of
30 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
31 GNU Affero General Public License for more details.
32
33 You should have received a copy of the GNU Affero General Public License
34 along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
35 ======= */
36
37 #ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
38
39 #pragma once
40
41 #include <stdbool.h>
42 #include <sys/types.h>
43 #include <sys/stat.h>
44
45 typedef int toku_os_handle_t;
46
47 struct fileid {
48 dev_t st_dev; /* device and inode are enough to uniquely identify a file in unix. */
49 ino_t st_ino;
50 };
51
toku_fileid_cmp(const struct fileid & a,const struct fileid & b)52 static inline int toku_fileid_cmp(const struct fileid &a, const struct fileid &b) {
53 if (a.st_dev < b.st_dev) {
54 return -1;
55 } else if (a.st_dev > b.st_dev) {
56 return +1;
57 } else {
58 if (a.st_ino < b.st_ino) {
59 return -1;
60 } else if (a.st_ino > b.st_ino) {
61 return +1;
62 } else {
63 return 0;
64 }
65 }
66 }
67
68 __attribute__((const, nonnull, warn_unused_result))
toku_fileids_are_equal(struct fileid * a,struct fileid * b)69 static inline bool toku_fileids_are_equal(struct fileid *a, struct fileid *b) {
70 return toku_fileid_cmp(*a, *b) == 0;
71 }
72
73 typedef struct stat toku_struct_stat;
74
75 #if !defined(O_BINARY)
76 #define O_BINARY 0
77 #endif
78