int pthread_join(pthread_t thread, void** valuePtr)
{
if (valuePtr)
printf("valuePtr != NULL\n");
struct pthread_queue entry;
struct pthread_queue* head;
/* Check if it is already on the thread list. */
if (!pCheckThreadList(thread))
return 0;
while (1)
{
/* Add to the join list. */
pthread_mutex_lock(&joinMutex);
head = joinList;
entry.threadId = pGetCurrentThreadId();
entry.next = NULL;
printf("waiting for %d\n", thread);
if (!head)
{
joinList = &entry;
}else{
while (head->next)
head = head->next;
head->next = &entry;
}
pthread_mutex_unlock(&joinMutex);
SysSuspendThread(pGetCurrentThreadId());
if (!pCheckThreadList(thread))
break;
}
pthread_mutex_lock(&joinMutex);
pthread_mutex_unlock(&joinMutex);
return 0;
}
int pthread_cond_wait(pthread_cond_t* cond, pthread_mutex_t* mutex)
{
struct pthread_queue entry;
struct pthread_queue* last=cond->list;
int threadId;
threadId = pGetCurrentThreadId();
if (mutex->owner != threadId)
return EINVAL;
if (cond->signal == PTHREAD_COND_SIGNAL)
{
cond->signal = PTHREAD_COND_INITIAL;
return 0;
}
entry.threadId=threadId;
entry.next=NULL;
pthread_mutex_lock(&cond->mutex);
if (!last)
{
cond->list=&entry;
}else{
while (last->next)
last=last->next;
last->next=&entry;
}
pthread_mutex_unlock(&cond->mutex);
pthread_mutex_unlock(mutex);
while (cond->signal != PTHREAD_COND_SIGNAL)
if (SysSuspendThread(threadId))
return -1;
pthread_mutex_lock(mutex);
cond->signal = PTHREAD_COND_INITIAL;
return 0;
}
void Thread::Suspend()
{
if( this->threadId > 0 )
SysSuspendThread( this->threadId );
}
