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Countdown_Time.cpp
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Countdown_Time.cpp
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// $Id: Countdown_Time.cpp 91287 2010-08-05 10:30:49Z johnnyw $
#include "ace/Countdown_Time.h"
#include "ace/OS_NS_sys_time.h"
#if !defined (__ACE_INLINE__)
#include "ace/Countdown_Time.inl"
#endif /* __ACE_INLINE__ */
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
ACE_Countdown_Time::ACE_Countdown_Time (ACE_Time_Value *max_wait_time)
: max_wait_time_ (max_wait_time),
stopped_ (false)
{
this->start ();
}
ACE_Countdown_Time::~ACE_Countdown_Time (void)
{
this->stop ();
}
void
ACE_Countdown_Time::start (void)
{
if (this->max_wait_time_ != 0)
{
this->start_time_ = ACE_OS::gettimeofday ();
this->stopped_ = false;
}
}
void
ACE_Countdown_Time::stop (void)
{
if (this->max_wait_time_ != 0 && !this->stopped_)
{
ACE_Time_Value const elapsed_time =
ACE_OS::gettimeofday () - this->start_time_;
if (elapsed_time >= ACE_Time_Value::zero &&
*this->max_wait_time_ > elapsed_time)
{
*this->max_wait_time_ -= elapsed_time;
}
else
{
// Used all of timeout.
*this->max_wait_time_ = ACE_Time_Value::zero;
// errno = ETIME;
}
this->stopped_ = true;
}
}
ACE_END_VERSIONED_NAMESPACE_DECL