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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/*************************************************************************
*
* $RCSfile: conditn.hxx,v $
*
* $Revision: 1.4 $
*
* last change: $Author: obr $ $Date: 2001-11-08 15:48:05 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _OSL_CONDITN_HXX_
#define _OSL_CONDITN_HXX_
#ifdef __cplusplus
#ifndef _OSL_TIME_H_
#include <osl/time.h>
#endif
#include <osl/conditn.h>
namespace osl
{
/** Thread synchronization object
A condition is a thread synchronization method with two different states:
set (sal_True) and unset (sal_False). When in unset state, any thread
calling the wait() method will be blocked until the state changes to set.
*/
class Condition
{
public:
enum Result
{
result_ok = osl_cond_result_ok,
result_error = osl_cond_result_error,
result_timeout = osl_cond_result_timeout
};
/** Constructs a condition object.
The initial state of the condition is false/unset.
@seealso ::osl_createCondition()
*/
Condition()
{
condition = osl_createCondition();
}
/** Release the OS-structures and free condition data-structure.
@seealso ::osl_destroyCondition()
*/
~Condition()
{
osl_destroyCondition(condition);
}
/** Release all waiting threads, check() returns sal_True.
@seealso ::osl_setCondition()
*/
void set()
{
osl_setCondition(condition);
}
/** Reset condition to false: wait() will block, check() returns sal_False.
@seealso ::osl_resetCondition()
*/
void reset() {
osl_resetCondition(condition);
}
/** Blocks the calling thread until condition is set.
@seealso ::osl_waitCondition()
*/
Result wait(const TimeValue *pTimeout = 0)
{
return (Result) osl_waitCondition(condition, pTimeout);
}
/** Checks if the condition is set without blocking.
@seealso ::osl_checkCondition()
*/
sal_Bool check()
{
return osl_checkCondition(condition);
}
private:
oslCondition condition;
Condition(oslCondition condition)
{
this->condition = condition;
}
};
}
#endif /* __cplusplus */
#endif /* _OSL_CONDITN_HXX_ */
|
