/**
* main
*
* executable entry point
*/
INT __cdecl main( INT argc, CHAR **argv )
{
/* PAL initialization */
if( (PAL_Initialize(argc, argv)) != 0 )
{
return( FAIL );
}
/* set the thread priority of the main to the highest possible value
this will give the chance to the main thread to create all the
other threads */
if(!SetThreadPriority( GetCurrentThread(), THREAD_PRIORITY_NORMAL))
{
DWORD dwError;
dwError = GetLastError();
Fail( "Unexpected SetThreadPriority() failure with error %d\n",
dwError );
}
CheckThreadPriority( GetCurrentThread(), THREAD_PRIORITY_NORMAL );
//Add verification of timing out here..
PAL_Terminate();
return PASS;
}
/**
* ThreadFunc
*
* Thread function that sets its own priority to the priority
* value in the global array nPriority[] at the index specified
* as an argument to the thread function.
*/
DWORD PALAPI ThreadFunc( LPVOID param )
{
int i, j, k;
int index;
int total = 0;
time_t start;
time_t finish;
long duration;
DWORD dwError = 0;
/* cast function argument to a thread priority value */
index = (int)param;
if( index < 0 || index >= NUM_THREADS )
{
Fail( "Thread index argument was out of range, value was %d\n",
index );
}
/*
* check the old thread priority, it should be THREAD_PRIORITY_NORMAL,
* if not it could potentially be a bug in GetThreadPriority() and not
* in CreateThread() -- at the very least it provides us with a known
* thread priority value to test against under a known condition even
* if it's a trivial one.
*/
CheckThreadPriority( index, THREAD_PRIORITY_NORMAL );
/* set the new thread priority */
if( ! SetThreadPriority( hThread[index], nPriority[index] ) )
{
dwError = GetLastError();
Fail( "Unexpected SetThreadPriority() failure with error %d\n",
dwError );
}
/* time this thread's duration */
time( &start );
/* check the new thread priority */
CheckThreadPriority( index, nPriority[index] );
/*
* Do a lengthy benign operation
*/
for( i=0; i<1000; i++ )
{
for( j=0; j<1000; j++ )
{
total = j * i;
for( k=0; k<1000; k++ )
{
total += k + i;
}
}
}
/* finish timing the thread and calculate the duration */
time( &finish );
duration = (long)(finish - start);
/* update the elapsed time array */
nElapsedTime[ index ] = duration;
return 0;
}
