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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2010 Brian Aker
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <config.h>
#include <plugin/user_locks/module.h>
#include <plugin/user_locks/lock_storage.h>
#include <string>
namespace user_locks {
int64_t ReleaseLock::val_int()
{
drizzled::String *res= args[0]->val_str(&value);
if (not res || not res->length())
{
my_error(drizzled::ER_USER_LOCKS_INVALID_NAME_LOCK, MYF(0));
return 0;
}
null_value= false;
drizzled::identifier::User::const_shared_ptr user_identifier(getSession().user());
drizzled::session_id_t id= getSession().getSessionId();
locks::return_t result;
{
boost::this_thread::restore_interruption dl(getSession().getThreadInterupt());
try {
result= user_locks::Locks::getInstance().release(Key(*user_identifier, res->c_str()), id);
}
catch(boost::thread_interrupted const& error)
{
my_error(drizzled::ER_QUERY_INTERRUPTED, MYF(0));
return 0;
}
}
switch (result)
{
default:
case locks::SUCCESS:
{
user_locks::Storable *list= static_cast<user_locks::Storable *>(getSession().getProperty("user_locks"));
assert(list);
if (list) // Just in case we ever blow the assert
list->erase(Key(*user_identifier, res->c_str()));
return 1;
}
case locks::NOT_FOUND:
null_value= true;
return 0;
case locks::NOT_OWNED_BY:
my_error(drizzled::ER_USER_LOCKS_NOT_OWNER_OF_LOCK, MYF(0));
return 0;
}
}
} /* namespace user_locks */
|