LibreOffice: osl/conditn.hxx Source File

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conditn.hxx
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20 #ifndef INCLUDED_OSL_CONDITN_HXX
21 #define INCLUDED_OSL_CONDITN_HXX
22
23 #include <sal/config.h>
24
25 #include <cstddef>
26
27 #include <osl/time.h>
28
29 #include <osl/conditn.h>
30
31 #if defined(MACOSX) && defined(__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES)
32 # if __ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES == 1
33 # undef check
34 # endif
35 #endif
36
37 namespace osl
38 {
52 class Condition
53 {
54 public:
55
56 enum Result
57 {
58 result_ok = osl_cond_result_ok,
59 result_error = osl_cond_result_error,
60 result_timeout = osl_cond_result_timeout
61 };
62
69 Condition()
70 {
71 condition = osl_createCondition();
72 }
73
74 /* Release the OS-structures and free condition data-structure.
75 */
76 ~Condition()
77 {
78 osl_destroyCondition(condition);
79 }
80
81 /* Release all waiting threads, check returns true.
82 */
83 void set()
84 {
85 osl_setCondition(condition);
86 }
87
88 /* Reset condition to false: wait() will block, check() returns false.
89 */
90 void reset() {
91 osl_resetCondition(condition);
92 }
93
96 Result wait(const TimeValue *pTimeout = NULL)
97 {
98 return (Result) osl_waitCondition(condition, pTimeout);
99 }
100
101 #if defined LIBO_INTERNAL_ONLY
102 Result wait(TimeValue const & timeout) { return wait(&timeout); }
103 #endif
104
107 bool check()
108 {
109 return osl_checkCondition(condition);
110 }
111
112
113 private:
114 oslCondition condition;
115
122 Condition(const Condition&) SAL_DELETED_FUNCTION;
123
127 Condition& operator= (const Condition&) SAL_DELETED_FUNCTION;
128 };
129
130 }
131
132 #endif // INCLUDED_OSL_CONDITN_HXX
133
134 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
osl_setCondition
SAL_DLLPUBLIC sal_Bool osl_setCondition(oslCondition Condition)
Sets condition to True => wait() will not block, check() returns True.
osl::Condition::Result
Result
Definition: conditn.hxx:56
osl::Condition::result_ok
Definition: conditn.hxx:58
osl_cond_result_timeout
Definition: conditn.h:37
osl::Condition::result_error
Definition: conditn.hxx:59
osl_waitCondition
SAL_DLLPUBLIC oslConditionResult osl_waitCondition(oslCondition Condition, const TimeValue *pTimeout)
Blocks if condition is not set If condition has been destroyed prematurely, wait() will return with F...
oslCondition
void * oslCondition
Definition: conditn.h:32
TimeValue
Definition: time.h:66
osl::Condition::Condition
Condition()
Create a condition.
Definition: conditn.hxx:69
SAL_DELETED_FUNCTION
#define SAL_DELETED_FUNCTION
short-circuit extra-verbose API namespaces
Definition: types.h:392
osl::Condition::reset
void reset()
Definition: conditn.hxx:90
conditn.h
osl_resetCondition
SAL_DLLPUBLIC sal_Bool osl_resetCondition(oslCondition Condition)
Sets condition to False => wait() will block, check() returns False.
osl_destroyCondition
SAL_DLLPUBLIC void osl_destroyCondition(oslCondition Condition)
Free the memory used by the condition.
osl::Condition::check
bool check()
Checks if the condition is set without blocking.
Definition: conditn.hxx:107
osl_createCondition
SAL_DLLPUBLIC oslCondition osl_createCondition(void)
Creates a condition.
osl::Condition::result_timeout
Definition: conditn.hxx:60
osl
Definition: conditn.hxx:37
osl::Condition::wait
Result wait(const TimeValue *pTimeout=NULL)
Blocks the calling thread until condition is set.
Definition: conditn.hxx:96
config.h
osl_cond_result_error
Definition: conditn.h:36
osl::Condition::~Condition
~Condition()
Definition: conditn.hxx:76
osl::Condition
A deprecated condition.
Definition: conditn.hxx:52
osl_cond_result_ok
Definition: conditn.h:35
osl_checkCondition
SAL_DLLPUBLIC sal_Bool osl_checkCondition(oslCondition Condition)
Queries the state of the condition without blocking.
time.h