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#include "tao/RTCORBA/RT_Mutex.h"
#if defined (TAO_HAS_CORBA_MESSAGING) && TAO_HAS_CORBA_MESSAGING != 0
#include "tao/RTCORBA/RT_ORB.h"
#include "tao/SystemException.h"
#include "ace/OS_NS_sys_time.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
TAO_RT_Mutex::~TAO_RT_Mutex (void)
{
}
void
TAO_RT_Mutex::lock (void)
{
if (this->mu_.acquire () != 0)
throw ::CORBA::INTERNAL ();
}
void
TAO_RT_Mutex::unlock (void)
{
if (this->mu_.release () != 0)
throw ::CORBA::INTERNAL ();
}
CORBA::Boolean
TAO_RT_Mutex::try_lock (TimeBase::TimeT wait_time)
{
int result;
if (wait_time == 0)
// No wait.
result = this->mu_.tryacquire ();
else
{
// Wait for the specified amount of time before giving up.
// (wait_time units are 100ns. See TimeBase.pidl)
TimeBase::TimeT seconds = wait_time / 10000000u;
TimeBase::TimeT microseconds = (wait_time % 10000000u) / 10;
ACE_Time_Value relative_time (ACE_U64_TO_U32 (seconds),
ACE_U64_TO_U32 (microseconds));
ACE_Time_Value absolute_time =
relative_time +
ACE_OS::gettimeofday ();
result = this->mu_.acquire (absolute_time);
}
if (result == 0)
return 1;
else if (result == -1 &&
(errno == ETIME ||
errno == EBUSY))
return 0;
else
// Some really bad error.
throw ::CORBA::INTERNAL ();
}
const char *
TAO_RT_Mutex::name (void) const
{
return 0;
}
///////////////////////////////////////////////////////////////////////////////
#if (TAO_HAS_NAMED_RT_MUTEXES == 1)
TAO_Named_RT_Mutex::TAO_Named_RT_Mutex (const char *name)
: name_ (name)
{
}
const char *
TAO_Named_RT_Mutex::name (void) const
{
return this->name_.c_str ();
}
#endif /* TAO_HAS_NAMED_RT_MUTEXES == 1 */
///////////////////////////////////////////////////////////////////////////////
TAO_END_VERSIONED_NAMESPACE_DECL
#endif /* TAO_HAS_CORBA_MESSAGING && TAO_HAS_CORBA_MESSAGING != 0 */
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