void setkind( Huint kind )
{
Huint mid;
// Set the kind for all of the mutexes
for( mid = 0; mid < MUTEX_MAX; mid++ )
{
_mutex_setkind( mid, kind );
}
}
/** \brief Initialize a mutex object given a mutex attribute object.
*
* \author Wesley Peck <*****@*****.**>
*
* This function will initialize a mutex object given a mutex attribute
* object. If the mutex attribute object is NULL then the default values
* for the mutex will be used.
*
* This function must be called before any other mutex functions may be
* used on the mutex object.
*
* \param mutex This parameter is the mutex object which is going to
* be initialized. This parameter should be a pointer to a
* valid memory location.
* \param attr This parameter is the mutex attribute object which
* contains the attributes to use with the given mutex
* object.
* \return The return value is one of the following:
* - HTHREAD_SUCCESS\n
* The mutex object was successfully initialized.
* - HTHREAD_FAILURE\n
* The mutex object was not initialized and should not
* be used in any other mutex operations.
*/
Hint hthread_mutex_init(hthread_mutex_t *mutex, const hthread_mutexattr_t *attr)
{
if( attr == NULL )
{
mutex->num = 0;
mutex->type = HTHREAD_MUTEX_DEFAULT;
}
else
{
mutex->num = attr->num;
mutex->type = attr->type;
}
_mutex_setkind( mutex->num, mutex->type );
return SUCCESS;
}
void run( Huint kind )
{
Huint mid;
Huint sta;
// Print out a banner for the first attempt
printf( "----------------------------------------------------------------------\n" );
printf( "- Kind Lock: Set Kind -\n" );
printf( "----------------------------------------------------------------------\n" );
// Lock all of the mutexes
for( mid = 0; mid < MUTEX_MAX; mid++ )
{
// Attempt to acquire the mutex for thread id 0
_mutex_setkind( mid, kind );
// Print out the status information that was returned
printf( "SET KIND: (MID=%d) (KND=0x%8.8x)\n", mid, kind );
}
// Print out a banner for the second attempt
printf( "----------------------------------------------------------------------\n" );
printf( "- Kind Lock: Read Back Kind -\n" );
printf( "----------------------------------------------------------------------\n" );
// Try to lock all of the mutexes again
for( mid = 0; mid < MUTEX_MAX; mid++ )
{
// Attempt to acquire the mutex for thread id 0
sta = _mutex_kind( mid );
// Print out the status information that was returned
printf( "KIND: (MID=%d) (KND=0x%8.8x)\n", mid, sta );
}
}