File: lockfile.h

package info (click to toggle)
libwibble 1.1-1
  • links: PTS
  • area: main
  • in suites: jessie, jessie-kfreebsd, stretch
  • size: 1,040 kB
  • ctags: 2,721
  • sloc: cpp: 14,542; makefile: 196; perl: 87; sh: 26
file content (42 lines) | stat: -rw-r--r-- 706 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
#ifndef WIBBLE_SYS_LOCKFILE_H
#define WIBBLE_SYS_LOCKFILE_H

#include <wibble/sys/macros.h>
#include <string>

namespace wibble {
namespace sys {
namespace fs {

/**
 * RAII lock file
 *
 * It is implemented using fcntl, so that it should also work over network file
 * systems.  It should work at least on NFS and GFS.
 */
struct Lockfile
{
	std::string name;
	int fd;

	/**
	 * Create the lockfile with the given name.
	 *
	 * @param write
	 *   If false, use a read lock, else a write lock.
	 */
	Lockfile(const std::string& name, bool write = true);
	~Lockfile();

private:
	// Disallow copying
	Lockfile(const Lockfile&);
	Lockfile& operator=(const Lockfile&);
};

}
}
}

// vim:set ts=4 sw=4:
#endif