//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AddThread(void (*func)(int))
{
thread_t *thread;
if (numthreads == 1)
{
if (currentnumthreads >= numthreads)
{
return;
}
currentnumthreads++;
func(-1);
currentnumthreads--;
} //end if
else
{
ThreadLock();
if (currentnumthreads >= numthreads)
{
ThreadUnlock();
return;
} //end if
//allocate new thread
thread = GetMemory(sizeof(thread_t));
if (!thread)
{
Error("can't allocate memory for thread\n");
}
//
thread->threadid = currentthreadid;
thread->id = sprocsp((void (*)(void *, size_t))func, PR_SALL, (void *)thread->threadid, NULL, 0x100000);
if (thread->id == -1)
{
perror("sproc");
Error("sproc failed");
}
//add the thread to the end of the list
thread->next = NULL;
if (lastthread)
{
lastthread->next = thread;
}
else
{
firstthread = thread;
}
lastthread = thread;
//
#ifdef THREAD_DEBUG
qprintf("added thread with id %d\n", thread->threadid);
#endif //THREAD_DEBUG
//
currentnumthreads++;
currentthreadid++;
//
ThreadUnlock();
} //end else
} //end of the function AddThread
/*
=============
RunThreadsOn
=============
*/
void RunThreadsOn (threadfunc_t func)
{
pid_t pid[MAX_THREADS];
long i;
if (numthreads <= 1)
{
func (NULL);
return;
}
init_lock (&lck);
workfunc = func;
for (i = 0; i < numthreads - 1; i++)
{
pid[i] = sprocsp (ThreadWorkerFunc, PR_SALL, (void *)i,
NULL, stacksiz);
if (pid[i] == -1)
{
perror ("sproc");
COM_Error ("sproc failed");
}
}
func ((void *)i);
for (i = 0; i < numthreads - 1; i++)
wait (NULL);
}
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void RunThreadsOn(int workcnt, qboolean showpacifier, void (*func)(int))
{
int i;
int pid[MAX_THREADS];
int start, end;
start = I_FloatTime();
dispatch = 0;
workcount = workcnt;
oldf = -1;
pacifier = showpacifier;
threaded = true;
if (numthreads < 1 || numthreads > MAX_THREADS)
{
numthreads = 1;
}
if (pacifier)
{
setbuf(stdout, NULL);
}
init_lock(&lck);
for (i = 0 ; i < numthreads - 1 ; i++)
{
pid[i] = sprocsp((void (*)(void *, size_t))func, PR_SALL, (void *)i
, NULL, 0x100000);
// pid[i] = sprocsp ( (void (*)(void *, size_t))func, PR_SALL, (void *)i
// , NULL, 0x80000);
if (pid[i] == -1)
{
perror("sproc");
Error("sproc failed");
}
}
func(i);
for (i = 0 ; i < numthreads - 1 ; i++)
wait(NULL);
threaded = false;
end = I_FloatTime();
if (pacifier)
{
printf(" (%i)\n", end - start);
}
} //end of the function RunThreadsOn
/*
=============
RunThreadsOn
=============
*/
void RunThreadsOn (int workcnt, qboolean showpacifier, void(*func)(int))
{
int i;
int pid[MAX_THREADS];
int start, end;
start = I_FloatTime ();
dispatch = 0;
workcount = workcnt;
oldf = -1;
pacifier = showpacifier;
threaded = qtrue;
if (pacifier)
setbuf (stdout, NULL);
init_lock (&lck);
for (i=0 ; i<numthreads-1 ; i++)
{
pid[i] = sprocsp ( (void (*)(void *, size_t))func, PR_SALL, (void *)i
, NULL, 0x200000); // 2 meg stacks
if (pid[i] == -1)
{
perror ("sproc");
Error ("sproc failed");
}
}
func(i);
for (i=0 ; i<numthreads-1 ; i++)
wait (NULL);
threaded = qfalse;
end = I_FloatTime ();
if (pacifier)
Sys_Printf (" (%i)\n", end-start);
}