116 lines
3.1 KiB
C++
116 lines
3.1 KiB
C++
// -*- C++ -*-
|
|
|
|
//==========================================================================
|
|
/**
|
|
* @file Event.h
|
|
*
|
|
* Moved from Synch.h.
|
|
*
|
|
* @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
|
|
*/
|
|
//==========================================================================
|
|
|
|
#ifndef ACE_EVENT_H
|
|
#define ACE_EVENT_H
|
|
#include /**/ "ace/pre.h"
|
|
|
|
#include /**/ "ace/ACE_export.h"
|
|
|
|
#if !defined (ACE_LACKS_PRAGMA_ONCE)
|
|
# pragma once
|
|
#endif /* ACE_LACKS_PRAGMA_ONCE */
|
|
|
|
#include "ace/Event_Base.h"
|
|
#include "ace/Time_Policy.h"
|
|
#include "ace/Time_Value_T.h"
|
|
|
|
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
|
|
|
|
/**
|
|
* @class ACE_Event_T
|
|
*
|
|
* @brief A wrapper around the Win32 event locking mechanism.
|
|
*
|
|
* Portable implementation of an Event mechanism, which is native to
|
|
* Win32, but must be emulated on UNIX. All platforms support
|
|
* process-scope locking support. However, only Win32 platforms
|
|
* support global naming and system-scope locking support.
|
|
*/
|
|
template <class TIME_POLICY = ACE_System_Time_Policy>
|
|
class ACE_Event_T : public ACE_Event_Base
|
|
{
|
|
public:
|
|
/// Constructor that creates event.
|
|
ACE_Event_T (int manual_reset = 0,
|
|
int initial_state = 0,
|
|
int type = USYNC_THREAD,
|
|
const ACE_TCHAR *name = 0,
|
|
void *arg = 0,
|
|
LPSECURITY_ATTRIBUTES sa = 0) : ACE_Event_Base ()
|
|
{
|
|
ACE_Condition_Attributes_T<TIME_POLICY> cond_attr (type);
|
|
if (ACE_OS::event_init (&this->handle_,
|
|
type,
|
|
&const_cast<ACE_condattr_t&> (cond_attr.attributes ()),
|
|
manual_reset,
|
|
initial_state,
|
|
name,
|
|
arg,
|
|
sa) != 0)
|
|
ACELIB_ERROR ((LM_ERROR,
|
|
ACE_TEXT ("%p\n"),
|
|
ACE_TEXT ("ACE_Event_T<TIME_POLICY>::ACE_Event_T")));
|
|
}
|
|
|
|
/// Implicitly destroy the event variable.
|
|
virtual ~ACE_Event_T (void)
|
|
{
|
|
}
|
|
|
|
/// Get the current time of day according to the queue's TIME_POLICY.
|
|
/// Allows users to initialize timeout values using correct time policy.
|
|
ACE_Time_Value_T<TIME_POLICY> gettimeofday (void) const
|
|
{
|
|
return this->time_policy_ ();
|
|
}
|
|
|
|
/// Allows applications to control how the event gets the time
|
|
/// of day.
|
|
void set_time_policy (TIME_POLICY const & time_policy)
|
|
{
|
|
this->time_policy_ = rhs;
|
|
}
|
|
|
|
/// Declare the dynamic allocation hooks
|
|
ACE_ALLOC_HOOK_DECLARE;
|
|
|
|
protected:
|
|
|
|
/// The policy to return the current time of day
|
|
TIME_POLICY time_policy_;
|
|
|
|
private:
|
|
// = Prevent copying.
|
|
ACE_Event_T (const ACE_Event_T<TIME_POLICY>& event);
|
|
const ACE_Event_T &operator= (const ACE_Event_T<TIME_POLICY> &rhs);
|
|
};
|
|
|
|
typedef ACE_Event_T<ACE_System_Time_Policy> ACE_Event;
|
|
|
|
ACE_END_VERSIONED_NAMESPACE_DECL
|
|
|
|
#if defined (__ACE_INLINE__)
|
|
#include "ace/Event.inl"
|
|
#endif /* __ACE_INLINE__ */
|
|
|
|
#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
|
|
#include "ace/Event.cpp"
|
|
#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
|
|
|
|
#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
|
|
#pragma implementation ("Event.cpp")
|
|
#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
|
|
|
|
#include /**/ "ace/post.h"
|
|
#endif /* ACE_EVENT_H */
|