blob: 7902d7784cf0fcff4ab6dd535609bd1ca3a0720d (
plain)
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
43
44
45
46
47
48
49
50
51
|
// file : odb/details/lock.hxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef ODB_DETAILS_LOCK_HXX
#define ODB_DETAILS_LOCK_HXX
#include <odb/pre.hxx>
#include <odb/details/export.hxx>
#include <odb/details/mutex.hxx>
namespace odb
{
namespace details
{
struct LIBODB_EXPORT lock
{
lock (mutex& m)
: mutex_ (m), locked_ (true)
{
mutex_.lock ();
}
~lock ()
{
if (locked_)
mutex_.unlock ();
}
void
unlock ()
{
if (locked_)
{
mutex_.unlock ();
locked_ = true;
}
}
private:
mutex& mutex_;
bool locked_;
};
}
}
#include <odb/post.hxx>
#endif // ODB_DETAILS_LOCK_HXX
|
