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LibreOffice 4.4 SDK C/C++ API Reference
conditn.hxx
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19 
20 #ifndef INCLUDED_OSL_CONDITN_HXX
21 #define INCLUDED_OSL_CONDITN_HXX
22 
23 #include <osl/time.h>
24 
25 #include <osl/conditn.h>
26 
27 
28 namespace osl
29 {
38  class Condition
39  {
40  public:
41 
42  enum Result
43  {
47  };
48 
49  /* Create a condition.
50  */
52  {
53  condition = osl_createCondition();
54  }
55 
56  /* Release the OS-structures and free condition data-structure.
57  */
59  {
60  osl_destroyCondition(condition);
61  }
62 
63  /* Release all waiting threads, check returns true.
64  */
65  void set()
66  {
67  osl_setCondition(condition);
68  }
69 
70  /* Reset condition to false: wait() will block, check() returns false.
71  */
72  void reset() {
73  osl_resetCondition(condition);
74  }
75 
78  Result wait(const TimeValue *pTimeout = 0)
79  {
80  return (Result) osl_waitCondition(condition, pTimeout);
81  }
82 
85  bool check()
86  {
87  return osl_checkCondition(condition);
88  }
89 
90 
91  private:
92  oslCondition condition;
93 
100  Condition(const Condition&);
101 
108  Condition(oslCondition condition);
109 
113  Condition& operator= (const Condition&);
114 
118  Condition& operator= (oslCondition);
119  };
120 
121 }
122 
123 #endif // INCLUDED_OSL_CONDITN_HXX
124 
125 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
void set()
Definition: conditn.hxx:65
SAL_DLLPUBLIC sal_Bool osl_resetCondition(oslCondition Condition)
Sets condition to False => wait() will block, check() returns False.
Result
Definition: conditn.hxx:42
Definition: conditn.hxx:45
Warning: the Condition abstraction is inadequate for any situation where there may be multiple thread...
Definition: conditn.hxx:38
Condition()
Definition: conditn.hxx:51
SAL_DLLPUBLIC oslCondition osl_createCondition(void)
Creates a condition.
Definition: conditn.h:36
SAL_DLLPUBLIC sal_Bool osl_checkCondition(oslCondition Condition)
Queries the state of the condition without blocking.
void * oslCondition
Definition: conditn.h:33
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 ...
~Condition()
Definition: conditn.hxx:58
bool check()
Checks if the condition is set without blocking.
Definition: conditn.hxx:85
Definition: conditn.h:38
Definition: conditn.h:37
Definition: conditn.hxx:46
Definition: conditn.hxx:28
SAL_DLLPUBLIC sal_Bool osl_setCondition(oslCondition Condition)
Sets condition to True => wait() will not block, check() returns True.
Definition: conditn.hxx:44
Definition: time.h:42
void reset()
Definition: conditn.hxx:72
Result wait(const TimeValue *pTimeout=0)
Blocks the calling thread until condition is set.
Definition: conditn.hxx:78
SAL_DLLPUBLIC void osl_destroyCondition(oslCondition Condition)
Free the memory used by the condition.