1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
// $Id$
#ifndef ACE_TEST_AND_SET_CPP
#define ACE_TEST_AND_SET_CPP
#include "ace/Test_and_Set.h"
#include "ace/Guard_T.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
template <class ACE_LOCK, class TYPE>
ACE_Test_and_Set<ACE_LOCK, TYPE>::ACE_Test_and_Set (TYPE initial_value)
: is_set_ (initial_value)
{
}
// Returns true if we are done, else false.
template <class ACE_LOCK, class TYPE> TYPE
ACE_Test_and_Set<ACE_LOCK, TYPE>::is_set (void) const
{
ACE_GUARD_RETURN (ACE_LOCK, ace_mon, (ACE_LOCK &) this->lock_, this->is_set_);
return this->is_set_;
}
// Sets the <is_set_> status.
template <class ACE_LOCK, class TYPE> TYPE
ACE_Test_and_Set<ACE_LOCK, TYPE>::set (TYPE status)
{
ACE_GUARD_RETURN (ACE_LOCK, ace_mon, this->lock_, this->is_set_);
TYPE o_status = this->is_set_;
this->is_set_ = status;
return o_status;
}
template <class ACE_LOCK, class TYPE> int
ACE_Test_and_Set<ACE_LOCK, TYPE>::handle_signal (int, siginfo_t *, ucontext_t *)
{
// By setting this to 1, we are "signaling" to anyone calling
// <is_set> or or <set> that the "test and set" object is in the
// "signaled" state, i.e., it's "available" to be set back to 0.
this->set (1);
return 0;
}
ACE_END_VERSIONED_NAMESPACE_DECL
#endif /* ACE_TEST_AND_SET_CPP */
|
