1 /*
2     KHOMP generic endpoint/channel library.
3     Copyright (C) 2007-2009 Khomp Ind. & Com.
4 
5   The contents of this file are subject to the Mozilla Public License Version 1.1
6   (the "License"); you may not use this file except in compliance with the
7   License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
8 
9   Software distributed under the License is distributed on an "AS IS" basis,
10   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
11   the specific language governing rights and limitations under the License.
12 
13   Alternatively, the contents of this file may be used under the terms of the
14   "GNU Lesser General Public License 2.1" license (the “LGPL" License), in which
15   case the provisions of "LGPL License" are applicable instead of those above.
16 
17   If you wish to allow use of your version of this file only under the terms of
18   the LGPL License and not to allow others to use your version of this file under
19   the MPL, indicate your decision by deleting the provisions above and replace them
20   with the notice and other provisions required by the LGPL License. If you do not
21   delete the provisions above, a recipient may use your version of this file under
22   either the MPL or the LGPL License.
23 
24   The LGPL header follows below:
25 
26     This library is free software; you can redistribute it and/or
27     modify it under the terms of the GNU Lesser General Public
28     License as published by the Free Software Foundation; either
29     version 2.1 of the License, or (at your option) any later version.
30 
31     This library is distributed in the hope that it will be useful,
32     but WITHOUT ANY WARRANTY; without even the implied warranty of
33     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
34     Lesser General Public License for more details.
35 
36     You should have received a copy of the GNU Lesser General Public License
37     along with this library; if not, write to the Free Software Foundation, Inc.,
38     51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
39 
40 */
41 
42 #ifndef _SAVED_CONDITION_
43 #define _SAVED_CONDITION_
44 
45 #include <saved_condition.hpp>
46 
47 extern "C"
48 {
49     #include <switch.h>
50 }
51 
52 struct SavedCondition : public SavedConditionCommon// : public RefCounter < SavedCondition >
53 {
54     typedef switch_thread_cond_t  BaseConditionType;
55     typedef switch_mutex_t        BaseMutexType;
56 
SavedConditionSavedCondition57      SavedCondition(switch_memory_pool_t *pool=NULL):
58         _pool(pool),
59         _can_delete_pool(false)
60      {
61         if(!_pool)
62         {
63             switch_core_new_memory_pool(&_pool);
64             _can_delete_pool = true;
65         }
66 
67         switch_thread_cond_create(&_condition, _pool);
68         switch_mutex_init(&_mutex, SWITCH_MUTEX_DEFAULT, _pool);
69      }
70 
71      //SavedCondition(const SavedCondition &);
~SavedConditionSavedCondition72     ~SavedCondition()
73     {
74         switch_thread_cond_destroy(_condition);
75         switch_mutex_destroy(_mutex);
76 
77         if(_can_delete_pool)
78             switch_core_destroy_memory_pool(&_pool);
79     }
80 
signalSavedCondition81     void signal(void)
82     {
83         switch_mutex_lock(_mutex);
84 
85         _signaled = true;
86         switch_thread_cond_signal(_condition);
87 
88         switch_mutex_unlock(_mutex);
89     }
90 
broadcastSavedCondition91     void broadcast(void)
92     {
93         switch_mutex_lock(_mutex);
94 
95         _signaled = true;
96         switch_thread_cond_broadcast(_condition);
97 
98         switch_mutex_unlock(_mutex);
99     }
100 
waitSavedCondition101     void wait(void)
102     {
103         switch_mutex_lock(_mutex);
104 
105         if (!_signaled)
106             switch_thread_cond_wait(_condition, _mutex);
107 
108         _signaled = false;
109 
110         switch_mutex_unlock(_mutex);
111     }
112 
113     bool wait(unsigned int);
114 
resetSavedCondition115     void reset(void)
116     {
117         switch_mutex_lock(_mutex);
118 
119         _signaled = false;
120 
121         switch_mutex_unlock(_mutex);
122     }
123 
mutexSavedCondition124     BaseMutexType     * mutex()     { return _mutex;     };
conditionSavedCondition125     BaseConditionType * condition() { return _condition; };
126 
127  protected:
128 
129     BaseConditionType    *_condition;
130     BaseMutexType        *_mutex;
131     switch_memory_pool_t *_pool;
132     bool                 _can_delete_pool;
133 };
134 
135 #endif /* _SAVED_CONDITION_ */
136 
137