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45 lines
763 B
C++
45 lines
763 B
C++
/*++
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Copyright (c) 2011 Microsoft Corporation
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Module Name:
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critical flet.cpp
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Abstract:
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Version of flet using "omp critical" directive.
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Warning: it uses omp critical section "critical_flet"
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Author:
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Leonardo de Moura (leonardo) 2011-05-12
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Revision History:
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--*/
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#ifndef CRITICAL_FLET_H_
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#define CRITICAL_FLET_H_
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template<typename T>
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class critical_flet {
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T & m_ref;
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T m_old_value;
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public:
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critical_flet(T & ref, const T & new_value):
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m_ref(ref),
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m_old_value(ref) {
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#pragma omp critical (critical_flet)
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{
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m_ref = new_value;
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}
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}
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~critical_flet() {
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#pragma omp critical (critical_flet)
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{
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m_ref = m_old_value;
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}
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}
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};
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#endif
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