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51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
// $Id: Test_and_Set.cpp 80826 2008-03-04 14:51:23Z wotte $
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#ifndef ACE_TEST_AND_SET_CPP
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#define ACE_TEST_AND_SET_CPP
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#include "ace/Test_and_Set.h"
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#include "ace/Guard_T.h"
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#if !defined (ACE_LACKS_PRAGMA_ONCE)
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# pragma once
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#endif /* ACE_LACKS_PRAGMA_ONCE */
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ACE_BEGIN_VERSIONED_NAMESPACE_DECL
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template <class ACE_LOCK, class TYPE>
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ACE_Test_and_Set<ACE_LOCK, TYPE>::ACE_Test_and_Set (TYPE initial_value)
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: is_set_ (initial_value)
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{
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}
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// Returns true if we are done, else false.
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template <class ACE_LOCK, class TYPE> TYPE
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ACE_Test_and_Set<ACE_LOCK, TYPE>::is_set (void) const
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{
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ACE_GUARD_RETURN (ACE_LOCK, ace_mon, (ACE_LOCK &) this->lock_, this->is_set_);
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return this->is_set_;
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}
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// Sets the <is_set_> status.
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template <class ACE_LOCK, class TYPE> TYPE
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ACE_Test_and_Set<ACE_LOCK, TYPE>::set (TYPE status)
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{
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ACE_GUARD_RETURN (ACE_LOCK, ace_mon, this->lock_, this->is_set_);
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TYPE o_status = this->is_set_;
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this->is_set_ = status;
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return o_status;
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}
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template <class ACE_LOCK, class TYPE> int
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ACE_Test_and_Set<ACE_LOCK, TYPE>::handle_signal (int, siginfo_t *, ucontext_t *)
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{
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// By setting this to 1, we are "signaling" to anyone calling
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// <is_set> or or <set> that the "test and set" object is in the
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// "signaled" state, i.e., it's "available" to be set back to 0.
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this->set (1);
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return 0;
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}
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ACE_END_VERSIONED_NAMESPACE_DECL
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#endif /* ACE_TEST_AND_SET_CPP */
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