ACE: OS_Log_Msg_Attributes.h Source File

00001 // -*- C++ -*-
00002 
00003 //=============================================================================
00004 /**
00005  *  @file    OS_Log_Msg_Attributes.h
00006  *
00007  *  $Id: OS_Log_Msg_Attributes.h 83729 2008-11-13 15:32:36Z mitza $
00008  *
00009  *  @author Carlos O'Ryan
00010  */
00011 //=============================================================================
00012 
00013 #include /**/ "ace/config-all.h"
00014 
00015 #ifndef ACE_OS_LOG_MSG_ATTRIBUTES_H
00016 #define ACE_OS_LOG_MSG_ATTRIBUTES_H
00017 #include /**/ "ace/pre.h"
00018 
00019 #if !defined (ACE_LACKS_PRAGMA_ONCE)
00020 # pragma once
00021 #endif /* ACE_LACKS_PRAGMA_ONCE */
00022 
00023 #include /**/ "ace/ACE_export.h"
00024 #include "ace/os_include/os_stdio.h"
00025 #include "ace/iosfwd.h"
00026 
00027 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
00028 
00029 /**
00030  * @class ACE_OS_Log_Msg_Attributes
00031  *
00032  * @brief The attributes required by ACE_Log_Msg.
00033  *
00034  * When a new thread is created the TSS resources for the Log_Msg
00035  * class in the new thread may be inherited by the creator thread.
00036  * The base_attributes are encapsulated in this class to simplify their
00037  * manipulation and destruction.
00038  * @par
00039  * The contents of the class must be made available to the OS layer,
00040  * because they are part of the thread descriptor.
00041  */
00042 class ACE_Export ACE_OS_Log_Msg_Attributes
00043 {
00044 public:
00045   /// Constructor
00046   ACE_OS_Log_Msg_Attributes (void);
00047 
00048 protected:
00049   friend class ACE_Log_Msg;
00050 
00051   /// Ostream where the new TSS Log_Msg will use.
00052   ACE_OSTREAM_TYPE *ostream_;
00053   void *ostream_refcount_;
00054 
00055   /// Priority_mask to be used in new TSS Log_Msg.
00056   unsigned long priority_mask_;
00057 
00058   /// Are we allowing tracing in this thread?
00059   int tracing_enabled_;
00060 
00061   /// Indicates whether we should restart system calls that are
00062   /// interrupted.
00063   bool restart_;
00064 
00065   /// Depth of the nesting for printing traces.
00066   int trace_depth_;
00067 
00068 #   if defined (ACE_HAS_WIN32_STRUCTURAL_EXCEPTIONS)
00069   /// Structured exception handling Callbacks, only used under Win32
00070   ACE_SEH_EXCEPT_HANDLER seh_except_selector_;
00071   ACE_SEH_EXCEPT_HANDLER seh_except_handler_;
00072 #   endif /* ACE_HAS_WIN32_STRUCTURAL_EXCEPTIONS */
00073 
00074 private:
00075   // Prevent copying
00076   ACE_OS_Log_Msg_Attributes (const ACE_OS_Log_Msg_Attributes &);
00077   ACE_OS_Log_Msg_Attributes &operator= (const ACE_OS_Log_Msg_Attributes &);
00078 };
00079 
00080 ACE_END_VERSIONED_NAMESPACE_DECL
00081 
00082 # if defined (ACE_HAS_INLINED_OSCALLS)
00083 #   if defined (ACE_INLINE)
00084 #     undef ACE_INLINE
00085 #   endif /* ACE_INLINE */
00086 #   define ACE_INLINE inline
00087 #   include "ace/OS_Log_Msg_Attributes.inl"
00088 # endif /* ACE_HAS_INLINED_OSCALLS */
00089 
00090 #include /**/ "ace/post.h"
00091 #endif /* ACE_OS_LOG_MSG_ATTRIBUTES_H */