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23324ae1 1/////////////////////////////////////////////////////////////////////////////
7c913512 2// Name: atomic.h
e54c96f1 3// Purpose: interface of global functions
7c913512 4// Author: wxWidgets team
526954c5 5// Licence: wxWindows licence
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6/////////////////////////////////////////////////////////////////////////////
7
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8
9// ============================================================================
10// Global functions/macros
11// ============================================================================
12
b21126db 13/** @addtogroup group_funcmacro_atomic */
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14//@{
15
7c913512 16/**
39fb8056 17 This function increments @a value in an atomic manner.
1ba0de2e 18
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19 Whenever possible wxWidgets provides an efficient, CPU-specific,
20 implementation of this function. If such implementation is available, the
21 symbol wxHAS_ATOMIC_OPS is defined. Otherwise this function still exists
22 but is implemented in a generic way using a critical section which can be
23 prohibitively expensive for use in performance-sensitive code.
24
1ba0de2e 25 @header{wx/atomic.h}
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26*/
27void wxAtomicInc(wxAtomicInt& value);
28
39fb8056 29/**
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30 This function decrements value in an atomic manner.
31
32 Returns 0 if value is 0 after decrement or any non-zero value (not
33 necessarily equal to the value of the variable) otherwise.
34
35 @see wxAtomicInc
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36
37 @header{wx/atomic.h}
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38*/
39wxInt32 wxAtomicDec(wxAtomicInt& value);
23324ae1 40
39fb8056 41//@}
1ba0de2e 42