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// $Id$
// ============================================================================
//
// = LIBRARY
// ace
//
// = FILENAME
// Thread_Control.h
//
// = AUTHOR
// Carlos O'Ryan <coryan@uci.edu>
//
// ============================================================================
#ifndef ACE_THREAD_CONTROL_H
#define ACE_THREAD_CONTROL_H
#include "ace/pre.h"
#include "ace/config-all.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#if !defined (ACE_LEGACY_MODE)
# include "ace/OS.h"
#endif /* ACE_LEGACY_MODE */
class ACE_Thread_Manager;
class ACE_Export ACE_Thread_Control
{
// = TITLE
// Used to keep track of a thread's activities within its entry
// point function.
//
// = DESCRIPTION
// A <ACE_Thread_Manager> uses this class to ensure that threads
// it spawns automatically register and unregister themselves
// with it.
//
// This class can be stored in thread-specific storage using the
// <ACE_TSS> wrapper. When a thread exits the
// <ACE_TSS::cleanup> function deletes this object, thereby
// ensuring that it gets removed from its associated
// <ACE_Thread_Manager>.
public:
ACE_Thread_Control (ACE_Thread_Manager *tm = 0,
int insert = 0);
// Initialize the thread control object. If <insert> != 0, then
// register the thread with the Thread_Manager.
~ACE_Thread_Control (void);
// Remove the thread from its associated <Thread_Manager> and exit
// the thread if <do_thr_exit> is enabled.
void *exit (void *status,
int do_thr_exit);
// Remove this thread from its associated <Thread_Manager> and exit
// the thread if <do_thr_exit> is enabled.
int insert (ACE_Thread_Manager *tm, int insert = 0);
// Store the <Thread_Manager> and use it to register ourselves for
// correct shutdown.
ACE_Thread_Manager *thr_mgr (void);
// Returns the current <Thread_Manager>.
ACE_Thread_Manager *thr_mgr (ACE_Thread_Manager *);
// Atomically set a new <Thread_Manager> and return the old
// <Thread_Manager>.
void *status (void *status);
// Set the exit status (and return existing status).
void *status (void);
// Get the current exit status.
void dump (void) const;
// Dump the state of an object.
ACE_ALLOC_HOOK_DECLARE;
// Declare the dynamic allocation hooks.
private:
ACE_Thread_Manager *tm_;
// Pointer to the thread manager for this block of code.
void *status_;
// Keeps track of the exit status for the thread.
};
# if defined (ACE_HAS_INLINED_OSCALLS)
# if defined (ACE_INLINE)
# undef ACE_INLINE
# endif /* ACE_INLINE */
# define ACE_INLINE inline
# include "ace/Thread_Control.inl"
# endif /* ACE_HAS_INLINED_OSCALLS */
#include "ace/post.h"
#endif /* ACE_THREAD_CONTROL_H */
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