blob: b6ce82c35385eec8e154ed8a9a15b2ddc01d2dee (
plain)
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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
// -*- C++ -*-
// ===================================================================
/**
* @file TSS_Resources.h
*
* $Id$
*
* @author DOC Group - ISIS at Vanderbilt University
* @author DOC Center - Washington University at St. Louis
* @author DOC Laboratory - University of California at Irvine
*/
// ===================================================================
#ifndef TAO_TAO_TSS_RESOURCES_H
#define TAO_TAO_TSS_RESOURCES_H
#include /**/ "ace/pre.h"
#include /**/ "tao/TAO_Export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/Environment.h"
#include "tao/Policy_Current_Impl.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
// Forward declarations
namespace TAO
{
class GUIResource_Factory;
class Transport_Selection_Guard;
}
/**
* @class TAO_TSS_Resources
*
* @brief The TSS resoures shared by all the ORBs
*
* This class is used by TAO to store the resources that are
* thread-specific but are *not* ORB specific. The members are public
* because only the ORB Core is expected to access them.
*/
class TAO_Export TAO_TSS_Resources
{
public:
/// Constructor
TAO_TSS_Resources (void);
/// Destructor
~TAO_TSS_Resources (void);
/// Return a singleton instance of this class.
static TAO_TSS_Resources * instance (void);
private:
/// Do not copy TSS resources
//@{
TAO_TSS_Resources (const TAO_TSS_Resources&);
void operator= (const TAO_TSS_Resources&);
//@}
public:
/**
* Points to structure containing state for the current upcall
* context in this thread. Note that it does not come from the
* resource factory because it must always be held in
* thread-specific storage. For now, since TAO_ORB_Core instances
* are TSS singletons, we simply ride along and don't allocate
* occupy another TSS slot since there are some platforms where
* those are precious commodities (e.g., NT).
*/
void * poa_current_impl_;
void * rtscheduler_current_impl_;
void * rtscheduler_previous_current_impl_;
/// The CORBA priority of the thread if set via RTCORBA::Current.
/// RTCORBA::minPriority - 1 otherwise.
CORBA::Short rtcorba_current_priority_;
/// The default environment for the thread.
CORBA::Environment * default_environment_;
/// If the user (or library) provides no environment the ORB_Core
/// still holds one.
CORBA::Environment tss_environment_;
#if (TAO_HAS_CORBA_MESSAGING == 1)
/// The initial PolicyCurrent for this thread. Should be a TSS
/// resource.
TAO_Policy_Current_Impl initial_policy_current_;
/// This pointer is reset by the POA on each upcall.
TAO_Policy_Current_Impl * policy_current_;
#endif /* TAO_HAS_CORBA_MESSAGING == 1 */
/// A factory for creating GUIReactors.
/**
* @c GUIResource_Factory has to be stored in TSS, as GUIReactors
* are operational only in within the context of GUI event loops.
*/
TAO::GUIResource_Factory * gui_resource_factory_;
#if TAO_HAS_TRANSPORT_CURRENT == 1
/// A TSS for a pointer to the current transport guard (see
/// below). The guard keeps track of the Transport, if any that has
/// been selected for use by the current thread, in the context of
/// an upcall or client-side interceptor.
TAO::Transport_Selection_Guard* tsg_;
#endif /* TAO_HAS_TRANSPORT_CURRENT == 1 */
};
TAO_END_VERSIONED_NAMESPACE_DECL
#include /**/ "ace/post.h"
#endif /* TAO_TSS_RESOURCES_H */
|
