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#include "ace/Countdown_Time.h"
#include "ace/OS_NS_sys_time.h"
ACE_RCSID (ace,
Countdown_Time,
"$Id$")
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;
}
}
bool
ACE_Countdown_Time::stopped (void) const
{
return stopped_;
}
void
ACE_Countdown_Time::stop (void)
{
if (this->max_wait_time_ != 0 && this->stopped_ == false)
{
ACE_Time_Value elapsed_time = ACE_OS::gettimeofday () - this->start_time_;
if (*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;
}
}
void
ACE_Countdown_Time::update (void)
{
this->stop ();
this->start ();
}
ACE_END_VERSIONED_NAMESPACE_DECL
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