xref: /PHP-7.4/ext/standard/flock_compat.h (revision 0cf7de1c)
1 /*
2    +----------------------------------------------------------------------+
3    | PHP Version 7                                                        |
4    +----------------------------------------------------------------------+
5    | Copyright (c) The PHP Group                                          |
6    +----------------------------------------------------------------------+
7    | This source file is subject to version 3.01 of the PHP license,      |
8    | that is bundled with this package in the file LICENSE, and is        |
9    | available through the world-wide-web at the following url:           |
10    | http://www.php.net/license/3_01.txt                                  |
11    | If you did not receive a copy of the PHP license and are unable to   |
12    | obtain it through the world-wide-web, please send a note to          |
13    | license@php.net so we can mail you a copy immediately.               |
14    +----------------------------------------------------------------------+
15    | Author: Sascha Schumann <sascha@schumann.cx>                         |
16    +----------------------------------------------------------------------+
17 */
18 
19 #ifndef FLOCK_COMPAT_H
20 #define FLOCK_COMPAT_H
21 
22 /* php_flock internally uses fcntl whether or not flock is available
23  * This way our php_flock even works on NFS files.
24  * More info: /usr/src/linux/Documentation
25  */
26 PHPAPI int php_flock(int fd, int operation);
27 
28 #ifndef HAVE_FLOCK
29 #	define LOCK_SH 1
30 #	define LOCK_EX 2
31 #	define LOCK_NB 4
32 #	define LOCK_UN 8
33 PHPAPI int flock(int fd, int operation);
34 #endif
35 
36 /* Userland LOCK_* constants */
37 #define PHP_LOCK_SH 1
38 #define PHP_LOCK_EX 2
39 #define PHP_LOCK_UN 3
40 #define PHP_LOCK_NB 4
41 
42 #ifdef PHP_WIN32
43 # ifdef EWOULDBLOCK
44 #  undef EWOULDBLOCK
45 # endif
46 # define EWOULDBLOCK WSAEWOULDBLOCK
47 # define fsync _commit
48 # define ftruncate(a, b) chsize(a, b)
49 #endif /* defined(PHP_WIN32) */
50 
51 #if !HAVE_INET_ATON
52 #if HAVE_NETINET_IN_H
53 #include <netinet/in.h>
54 #endif
55 #if HAVE_ARPA_INET_H
56 #include <arpa/inet.h>
57 #endif
58 
59 #ifndef PHP_WIN32
60 extern int inet_aton(const char *, struct in_addr *);
61 #endif
62 #endif
63 
64 #endif	/* FLOCK_COMPAT_H */
65