int
SDL_TimerInit(void)
{
SDL_TimerData *data = &SDL_timer_data;
if (!SDL_AtomicGet(&data->active)) {
const char *name = "SDLTimer";
data->timermap_lock = SDL_CreateMutex();
if (!data->timermap_lock) {
return -1;
}
data->sem = SDL_CreateSemaphore(0);
if (!data->sem) {
SDL_DestroyMutex(data->timermap_lock);
return -1;
}
SDL_AtomicSet(&data->active, 1);
/* Timer threads use a callback into the app, so we can't set a limited stack size here. */
data->thread = SDL_CreateThreadInternal(SDL_TimerThread, name, 0, data);
if (!data->thread) {
SDL_TimerQuit();
return -1;
}
SDL_AtomicSet(&data->nextID, 1);
}
return 0;
}
static void InitEventQueue(SDL_EventQueue *queue)
{
int i;
for (i = 0; i < MAX_ENTRIES; ++i) {
SDL_AtomicSet(&queue->entries[i].sequence, i);
}
SDL_AtomicSet(&queue->enqueue_pos, 0);
SDL_AtomicSet(&queue->dequeue_pos, 0);
#ifdef TEST_SPINLOCK_FIFO
queue->lock = 0;
SDL_AtomicSet(&queue->rwcount, 0);
#endif
queue->active = SDL_TRUE;
}
SDL_bool
SDL_RemoveTimer(SDL_TimerID id)
{
SDL_TimerData *data = &SDL_timer_data;
SDL_TimerMap *prev, *entry;
SDL_bool canceled = SDL_FALSE;
/* Find the timer */
SDL_LockMutex(data->timermap_lock);
prev = NULL;
for (entry = data->timermap; entry; prev = entry, entry = entry->next) {
if (entry->timerID == id) {
if (prev) {
prev->next = entry->next;
} else {
data->timermap = entry->next;
}
break;
}
}
SDL_UnlockMutex(data->timermap_lock);
if (entry) {
if (!SDL_AtomicGet(&entry->timer->canceled)) {
SDL_AtomicSet(&entry->timer->canceled, 1);
canceled = SDL_TRUE;
}
SDL_free(entry);
}
return canceled;
}
int
SDL_TimerInit(void)
{
SDL_TimerData *data = &SDL_timer_data;
if (!data->active) {
data->timermap_lock = SDL_CreateMutex();
if (!data->timermap_lock) {
return -1;
}
data->sem = SDL_CreateSemaphore(0);
if (!data->sem) {
SDL_DestroyMutex(data->timermap_lock);
return -1;
}
data->active = SDL_TRUE;
/* !!! FIXME: this is nasty. */
#if (defined(__WIN32__) && !defined(_WIN32_WCE)) && !defined(HAVE_LIBC)
#undef SDL_CreateThread
data->thread = SDL_CreateThread(SDL_TimerThread, data, NULL, NULL);
#else
data->thread = SDL_CreateThread(SDL_TimerThread, data);
#endif
if (!data->thread) {
SDL_TimerQuit();
return -1;
}
SDL_AtomicSet(&data->nextID, 1);
}
return 0;
}
/*
* Clean up after system specific haptic stuff
*/
void
SDL_SYS_HapticQuit(void)
{
SDL_hapticlist_item *item;
SDL_hapticlist_item *next = NULL;
SDL_Haptic *hapticitem = NULL;
extern SDL_Haptic *SDL_haptics;
for (hapticitem = SDL_haptics; hapticitem; hapticitem = hapticitem->next) {
if ((hapticitem->hwdata->bXInputHaptic) && (hapticitem->hwdata->thread)) {
/* we _have_ to stop the thread before we free the XInput DLL! */
SDL_AtomicSet(&hapticitem->hwdata->stopThread, 1);
SDL_WaitThread(hapticitem->hwdata->thread, NULL);
hapticitem->hwdata->thread = NULL;
}
}
for (item = SDL_hapticlist; item; item = next) {
/* Opened and not closed haptics are leaked, this is on purpose.
* Close your haptic devices after usage. */
/* !!! FIXME: (...is leaking on purpose a good idea?) - No, of course not. */
next = item->next;
SDL_free(item->name);
SDL_free(item);
}
SDL_XINPUT_HapticQuit();
SDL_DINPUT_HapticQuit();
numhaptics = 0;
SDL_hapticlist = NULL;
SDL_hapticlist_tail = NULL;
}
DxVsyncSource::DxVsyncSource(Pacer* pacer) :
m_Pacer(pacer),
m_Thread(nullptr),
m_Gdi32Handle(nullptr)
{
SDL_AtomicSet(&m_Stopping, 0);
}
void
SDL_XINPUT_HapticClose(SDL_Haptic * haptic)
{
SDL_AtomicSet(&haptic->hwdata->stopThread, 1);
SDL_WaitThread(haptic->hwdata->thread, NULL);
SDL_DestroyMutex(haptic->hwdata->mutex);
}
int jrq_Init( JobRingQueue* queue, size_t size )
{
assert( queue != NULL );
assert( size > 0 );
queue->size = size;
queue->ringBuffer = mem_Allocate( sizeof( queue->ringBuffer[0] ) * size );
if( queue->ringBuffer == NULL ) {
return -1;
}
memset( queue->ringBuffer, 0, size * sizeof( queue->ringBuffer[0] ) );
SDL_AtomicSet( &( queue->head ), 0 );
SDL_AtomicSet( &( queue->tail ), 0 );
SDL_AtomicSet( &( queue->busy ), 0 );
return 0;
}
static
void RunBasicTest()
{
int value;
SDL_SpinLock lock = 0;
SDL_atomic_t v;
SDL_bool tfret = SDL_FALSE;
printf("\nspin lock---------------------------------------\n\n");
SDL_AtomicLock(&lock);
printf("AtomicLock lock=%d\n", lock);
SDL_AtomicUnlock(&lock);
printf("AtomicUnlock lock=%d\n", lock);
printf("\natomic -----------------------------------------\n\n");
SDL_AtomicSet(&v, 0);
tfret = SDL_AtomicSet(&v, 10) == 0;
printf("AtomicSet(10) tfret=%s val=%d\n", tf(tfret), SDL_AtomicGet(&v));
tfret = SDL_AtomicAdd(&v, 10) == 10;
printf("AtomicAdd(10) tfret=%s val=%d\n", tf(tfret), SDL_AtomicGet(&v));
SDL_AtomicSet(&v, 0);
SDL_AtomicIncRef(&v);
tfret = (SDL_AtomicGet(&v) == 1);
printf("AtomicIncRef() tfret=%s val=%d\n", tf(tfret), SDL_AtomicGet(&v));
SDL_AtomicIncRef(&v);
tfret = (SDL_AtomicGet(&v) == 2);
printf("AtomicIncRef() tfret=%s val=%d\n", tf(tfret), SDL_AtomicGet(&v));
tfret = (SDL_AtomicDecRef(&v) == SDL_FALSE);
printf("AtomicDecRef() tfret=%s val=%d\n", tf(tfret), SDL_AtomicGet(&v));
tfret = (SDL_AtomicDecRef(&v) == SDL_TRUE);
printf("AtomicDecRef() tfret=%s val=%d\n", tf(tfret), SDL_AtomicGet(&v));
SDL_AtomicSet(&v, 10);
tfret = (SDL_AtomicCAS(&v, 0, 20) == SDL_FALSE);
printf("AtomicCAS() tfret=%s val=%d\n", tf(tfret), SDL_AtomicGet(&v));
value = SDL_AtomicGet(&v);
tfret = (SDL_AtomicCAS(&v, value, 20) == SDL_TRUE);
printf("AtomicCAS() tfret=%s val=%d\n", tf(tfret), SDL_AtomicGet(&v));
}
DxVsyncSource::~DxVsyncSource()
{
if (m_Thread != nullptr) {
SDL_AtomicSet(&m_Stopping, 1);
SDL_WaitThread(m_Thread, nullptr);
}
if (m_Gdi32Handle != nullptr) {
FreeLibrary(m_Gdi32Handle);
}
}
void Object::destroy() throw() {
GC::collect_mutex.lock();
// If another thread just dereferenced a weak pointer to this
// object, we might now have references. Now that we have the
// lock, check the refcount again.
if (SDL_AtomicGet(&refcount) > 0) {
GC::collect_mutex.unlock();
return;
}
SDL_AtomicSet(&refcount, 0);
untrack();
weakptrbase* cur = weak;
weakptrbase* old;
while (cur) {
old = cur;
cur = cur->next;
old->set_ref(NULL);
}
// Avoid stack overflow.
if (trashlevel < max_trashlevel) {
++trashlevel;
delete this;
if (trashlevel == 1) {
while (!trashcan.empty()) {
Object* op = static_cast<Object*>(trashcan.next);
op->remove();
delete op;
}
}
--trashlevel;
} else {
moveto(&trashcan);
}
GC::collect_mutex.unlock();
}
static SDL_bool DequeueEvent_LockFree(SDL_EventQueue *queue, SDL_Event *event)
{
SDL_EventQueueEntry *entry;
unsigned queue_pos;
unsigned entry_seq;
int delta;
SDL_bool status;
#ifdef TEST_SPINLOCK_FIFO
/* This is a gate so an external thread can lock the queue */
SDL_AtomicLock(&queue->lock);
SDL_assert(SDL_AtomicGet(&queue->watcher) == 0);
SDL_AtomicIncRef(&queue->rwcount);
SDL_AtomicUnlock(&queue->lock);
#endif
queue_pos = (unsigned)SDL_AtomicGet(&queue->dequeue_pos);
for ( ; ; ) {
entry = &queue->entries[queue_pos & WRAP_MASK];
entry_seq = (unsigned)SDL_AtomicGet(&entry->sequence);
delta = (int)(entry_seq - (queue_pos + 1));
if (delta == 0) {
/* The entry and the queue position match, try to increment the queue position */
if (SDL_AtomicCAS(&queue->dequeue_pos, (int)queue_pos, (int)(queue_pos+1))) {
/* We own the object, fill it! */
*event = entry->event;
SDL_AtomicSet(&entry->sequence, (int)(queue_pos+MAX_ENTRIES));
status = SDL_TRUE;
break;
}
} else if (delta < 0) {
/* We ran into an old queue entry, which means we've hit empty */
status = SDL_FALSE;
break;
} else {
/* We ran into a new queue entry, get the new queue position */
queue_pos = (unsigned)SDL_AtomicGet(&queue->dequeue_pos);
}
}
#ifdef TEST_SPINLOCK_FIFO
SDL_AtomicDecRef(&queue->rwcount);
#endif
return status;
}
void la_port_input(la_window_t* window) {
// Touch Input
window->input.touch.x = al_safe_get_float(&window->mouse_x);
window->input.touch.y = al_safe_get_float(&window->mouse_y);
window->input.touch.p = 0;
if(safe_get_uint8(&window->in.touch.h)) {
la_print("Just touch %d", safe_get_uint8(&window->in.touch.p));
window->input.touch.h = 1;
window->input.touch.p = safe_get_uint8(&window->in.touch.p);
// Not just pressed anymore
safe_set_uint8(&window->in.touch.h, 0);
}else{
window->input.touch.h = 0;
}
//
if(safe_get_uint8(&window->in.back)) {
la_print("Back");
safe_set_uint8(&window->in.back, 0);
SDL_AtomicSet(&la_rmcexit, 0);
}
}
void Audio_init ()
{
SDL_AudioSpec want;
want.freq = 44100;
want.format = AUDIO_S16LSB;
want.channels = 2;
want.samples = 2048;
want.callback = Audio_mixer;
want.userdata = NULL;
if (App_get_option_IV("info")) {
int i;
printf("Audio devices:\n");
for (i = 0; i < SDL_GetNumAudioDevices(0); i++) {
const char* name = SDL_GetAudioDeviceName(i, 0);
printf("\t%s\n", name);
}
const char* cur = SDL_GetCurrentAudioDriver();
printf("Current audio driver:\n\t%s\n", cur);
printf("Audio drivers:\n");
for (i = 0; i < SDL_GetNumAudioDrivers(); i++) {
const char* name = SDL_GetAudioDriver(i);
printf("\t%s\n", name);
}
}
_audio.device = SDL_OpenAudioDevice(NULL, 0, &want, &_audio.spec, SDL_AUDIO_ALLOW_ANY_CHANGE);
if (_audio.device <= 0)
error("Could not open audio device");
if (!App_get_option_IV("mute"))
_audio.volume = SDL_MIX_MAXVOLUME;
(void)SDL_AtomicSet(&_audio.playback_rate, 1);
SDL_PauseAudioDevice(_audio.device, 0);
}
static
void runAdder(void)
{
Uint32 start, end;
int T=NThreads;
start = SDL_GetTicks();
threadDone = SDL_CreateSemaphore(0);
SDL_AtomicSet(&threadsRunning, NThreads);
while (T--)
SDL_CreateThread(adder, "Adder", NULL);
while (SDL_AtomicGet(&threadsRunning) > 0)
SDL_SemWait(threadDone);
SDL_DestroySemaphore(threadDone);
end = SDL_GetTicks();
printf("Finished in %f sec\n", (end - start) / 1000.f);
}
/**
* This is the main entry point of a native application that is using
* android_native_app_glue. It runs in its own thread, with its own
* event loop for receiving input events and doing other things.
*/
void android_main(struct android_app* state) {
la_window_t* window = la_memory_allocate(sizeof(la_window_t));
int ident;
int events;
struct android_poll_source* source;
// Make sure glue isn't stripped.
app_dummy();
state->userData = window;
state->onAppCmd = window_handle_cmd;
state->onInputEvent = window_handle_input;
window->app = state;
// Prepare to monitor accelerometer
window->sensorManager = ASensorManager_getInstance();
window->accelerometerSensor = ASensorManager_getDefaultSensor(
window->sensorManager, ASENSOR_TYPE_ACCELEROMETER);
window->sensorEventQueue = ASensorManager_createEventQueue(
window->sensorManager, state->looper, LOOPER_ID_USER, NULL, NULL);
// if (state->savedState != NULL) {
// We are starting with a previous saved state; restore from it.
// window->state = *(struct saved_state*)state->savedState;
// }
// Run main():
la_window = window;
// TODO: is needed?
SDL_AtomicSet(&la_rmcexit, 1);
// Window thread ( Drawing + Events ).
while (SDL_AtomicGet(&la_rmcexit)) {
// Poll Events
ident = ALooper_pollAll(0, NULL, &events, (void**)&source);
// Process this event.
if (source != NULL) {
source->process(state, source);
}
// If a sensor has data, process it now.
if (ident == LOOPER_ID_USER) {
if (window->accelerometerSensor != NULL) {
ASensorEvent event;
while (ASensorEventQueue_getEvents(
window->sensorEventQueue,
&event, 1) > 0)
{
window->input.accel.x =
event.acceleration.x;
window->input.accel.y =
event.acceleration.y;
window->input.accel.z =
event.acceleration.z;
}
}
}
// Run the cross-platform window loop.
if(window->context) la_window_loop__(window);
// Update the screen.
la_port_swap_buffers(window);
}
la_print("port-android quitting....");
// The cross-platform window kill.
la_window_kill__(window);
// The window is being hidden or closed, clean it up.
window_term_display(window);
la_print("port-android quitted....");
exit(0);
return;
}
static int
SDL_TimerThread(void *_data)
{
SDL_TimerData *data = (SDL_TimerData *)_data;
SDL_Timer *pending;
SDL_Timer *current;
SDL_Timer *freelist_head = NULL;
SDL_Timer *freelist_tail = NULL;
Uint32 tick, now, interval, delay;
/* Threaded timer loop:
* 1. Queue timers added by other threads
* 2. Handle any timers that should dispatch this cycle
* 3. Wait until next dispatch time or new timer arrives
*/
for ( ; ; ) {
/* Pending and freelist maintenance */
SDL_AtomicLock(&data->lock);
{
/* Get any timers ready to be queued */
pending = data->pending;
data->pending = NULL;
/* Make any unused timer structures available */
if (freelist_head) {
freelist_tail->next = data->freelist;
data->freelist = freelist_head;
}
}
SDL_AtomicUnlock(&data->lock);
/* Sort the pending timers into our list */
while (pending) {
current = pending;
pending = pending->next;
SDL_AddTimerInternal(data, current);
}
freelist_head = NULL;
freelist_tail = NULL;
/* Check to see if we're still running, after maintenance */
if (!SDL_AtomicGet(&data->active)) {
break;
}
/* Initial delay if there are no timers */
delay = SDL_MUTEX_MAXWAIT;
tick = SDL_GetTicks();
/* Process all the pending timers for this tick */
while (data->timers) {
current = data->timers;
if ((Sint32)(tick-current->scheduled) < 0) {
/* Scheduled for the future, wait a bit */
delay = (current->scheduled - tick);
break;
}
/* We're going to do something with this timer */
data->timers = current->next;
if (SDL_AtomicGet(¤t->canceled)) {
interval = 0;
} else {
interval = current->callback(current->interval, current->param);
}
if (interval > 0) {
/* Reschedule this timer */
current->scheduled = tick + interval;
SDL_AddTimerInternal(data, current);
} else {
if (!freelist_head) {
freelist_head = current;
}
if (freelist_tail) {
freelist_tail->next = current;
}
freelist_tail = current;
SDL_AtomicSet(¤t->canceled, 1);
}
}
/* Adjust the delay based on processing time */
now = SDL_GetTicks();
interval = (now - tick);
if (interval > delay) {
delay = 0;
} else {
delay -= interval;
}
/* Note that each time a timer is added, this will return
immediately, but we process the timers added all at once.
That's okay, it just means we run through the loop a few
extra times.
*/
SDL_SemWaitTimeout(data->sem, delay);
}
return 0;
}
static
void RunEpicTest()
{
int b;
atomicValue v;
printf("\nepic test---------------------------------------\n\n");
printf("Size asserted to be >= 32-bit\n");
SDL_assert(sizeof(atomicValue)>=4);
printf("Check static initializer\n");
v=SDL_AtomicGet(&good);
SDL_assert(v==42);
SDL_assert(bad==42);
printf("Test negative values\n");
SDL_AtomicSet(&good, -5);
v=SDL_AtomicGet(&good);
SDL_assert(v==-5);
printf("Verify maximum value\n");
SDL_AtomicSet(&good, CountTo);
v=SDL_AtomicGet(&good);
SDL_assert(v==CountTo);
printf("Test compare and exchange\n");
b=SDL_AtomicCAS(&good, 500, 43);
SDL_assert(!b); /* no swap since CountTo!=500 */
v=SDL_AtomicGet(&good);
SDL_assert(v==CountTo); /* ensure no swap */
b=SDL_AtomicCAS(&good, CountTo, 44);
SDL_assert(!!b); /* will swap */
v=SDL_AtomicGet(&good);
SDL_assert(v==44);
printf("Test Add\n");
v=SDL_AtomicAdd(&good, 1);
SDL_assert(v==44);
v=SDL_AtomicGet(&good);
SDL_assert(v==45);
v=SDL_AtomicAdd(&good, 10);
SDL_assert(v==45);
v=SDL_AtomicGet(&good);
SDL_assert(v==55);
printf("Test Add (Negative values)\n");
v=SDL_AtomicAdd(&good, -20);
SDL_assert(v==55);
v=SDL_AtomicGet(&good);
SDL_assert(v==35);
v=SDL_AtomicAdd(&good, -50); /* crossing zero down */
SDL_assert(v==35);
v=SDL_AtomicGet(&good);
SDL_assert(v==-15);
v=SDL_AtomicAdd(&good, 30); /* crossing zero up */
SDL_assert(v==-15);
v=SDL_AtomicGet(&good);
SDL_assert(v==15);
printf("Reset before count down test\n");
SDL_AtomicSet(&good, CountTo);
v=SDL_AtomicGet(&good);
SDL_assert(v==CountTo);
bad=CountTo;
SDL_assert(bad==CountTo);
printf("Counting down from %d, Expect %d remaining\n",CountTo,Expect);
runAdder();
v=SDL_AtomicGet(&good);
printf("Atomic %d Non-Atomic %d\n",v,bad);
SDL_assert(v==Expect);
SDL_assert(bad!=Expect);
}
SDL_TimerID
SDL_AddTimer(Uint32 interval, SDL_TimerCallback callback, void *param)
{
SDL_TimerData *data = &SDL_timer_data;
SDL_Timer *timer;
SDL_TimerMap *entry;
SDL_AtomicLock(&data->lock);
if (!SDL_AtomicGet(&data->active)) {
if (SDL_TimerInit() < 0) {
SDL_AtomicUnlock(&data->lock);
return 0;
}
}
timer = data->freelist;
if (timer) {
data->freelist = timer->next;
}
SDL_AtomicUnlock(&data->lock);
if (timer) {
SDL_RemoveTimer(timer->timerID);
} else {
timer = (SDL_Timer *)SDL_malloc(sizeof(*timer));
if (!timer) {
SDL_OutOfMemory();
return 0;
}
}
timer->timerID = SDL_AtomicIncRef(&data->nextID);
timer->callback = callback;
timer->param = param;
timer->interval = interval;
timer->scheduled = SDL_GetTicks() + interval;
SDL_AtomicSet(&timer->canceled, 0);
entry = (SDL_TimerMap *)SDL_malloc(sizeof(*entry));
if (!entry) {
SDL_free(timer);
SDL_OutOfMemory();
return 0;
}
entry->timer = timer;
entry->timerID = timer->timerID;
SDL_LockMutex(data->timermap_lock);
entry->next = data->timermap;
data->timermap = entry;
SDL_UnlockMutex(data->timermap_lock);
/* Add the timer to the pending list for the timer thread */
SDL_AtomicLock(&data->lock);
timer->next = data->pending;
data->pending = timer;
SDL_AtomicUnlock(&data->lock);
/* Wake up the timer thread if necessary */
SDL_SemPost(data->sem);
return entry->timerID;
}
SampleData(void* _data, unsigned int _freq, unsigned int _len):
audio_data(_data), sampling(_freq), length(_len) {
SDL_AtomicSet(&refcnt, 1);
}
static void RunFIFOTest(SDL_bool lock_free)
{
SDL_EventQueue queue;
WriterData writerData[NUM_WRITERS];
ReaderData readerData[NUM_READERS];
Uint32 start, end;
int i, j;
int grand_total;
printf("\nFIFO test---------------------------------------\n\n");
printf("Mode: %s\n", lock_free ? "LockFree" : "Mutex");
readersDone = SDL_CreateSemaphore(0);
writersDone = SDL_CreateSemaphore(0);
SDL_memset(&queue, 0xff, sizeof(queue));
InitEventQueue(&queue);
if (!lock_free) {
queue.mutex = SDL_CreateMutex();
}
start = SDL_GetTicks();
#ifdef TEST_SPINLOCK_FIFO
/* Start a monitoring thread */
if (lock_free) {
SDL_CreateThread(FIFO_Watcher, "FIFOWatcher", &queue);
}
#endif
/* Start the readers first */
printf("Starting %d readers\n", NUM_READERS);
SDL_zero(readerData);
SDL_AtomicSet(&readersRunning, NUM_READERS);
for (i = 0; i < NUM_READERS; ++i) {
char name[64];
SDL_snprintf(name, sizeof (name), "FIFOReader%d", i);
readerData[i].queue = &queue;
readerData[i].lock_free = lock_free;
SDL_CreateThread(FIFO_Reader, name, &readerData[i]);
}
/* Start up the writers */
printf("Starting %d writers\n", NUM_WRITERS);
SDL_zero(writerData);
SDL_AtomicSet(&writersRunning, NUM_WRITERS);
for (i = 0; i < NUM_WRITERS; ++i) {
char name[64];
SDL_snprintf(name, sizeof (name), "FIFOWriter%d", i);
writerData[i].queue = &queue;
writerData[i].index = i;
writerData[i].lock_free = lock_free;
SDL_CreateThread(FIFO_Writer, name, &writerData[i]);
}
/* Wait for the writers */
while (SDL_AtomicGet(&writersRunning) > 0) {
SDL_SemWait(writersDone);
}
/* Shut down the queue so readers exit */
queue.active = SDL_FALSE;
/* Wait for the readers */
while (SDL_AtomicGet(&readersRunning) > 0) {
SDL_SemWait(readersDone);
}
end = SDL_GetTicks();
SDL_DestroySemaphore(readersDone);
SDL_DestroySemaphore(writersDone);
if (!lock_free) {
SDL_DestroyMutex(queue.mutex);
}
printf("Finished in %f sec\n", (end - start) / 1000.f);
printf("\n");
for (i = 0; i < NUM_WRITERS; ++i) {
printf("Writer %d wrote %d events, had %d waits\n", i, EVENTS_PER_WRITER, writerData[i].waits);
}
printf("Writers wrote %d total events\n", NUM_WRITERS*EVENTS_PER_WRITER);
/* Print a breakdown of which readers read messages from which writer */
printf("\n");
grand_total = 0;
for (i = 0; i < NUM_READERS; ++i) {
int total = 0;
for (j = 0; j < NUM_WRITERS; ++j) {
total += readerData[i].counters[j];
}
grand_total += total;
printf("Reader %d read %d events, had %d waits\n", i, total, readerData[i].waits);
printf(" { ");
for (j = 0; j < NUM_WRITERS; ++j) {
if (j > 0) {
printf(", ");
}
printf("%d", readerData[i].counters[j]);
}
printf(" }\n");
}
printf("Readers read %d total events\n", grand_total);
}