int
dcethread_create(dcethread** _thread, dcethread_attr* attr, void *(*start_routine)(void *), void *arg)
{
dcethread_start_args *start_args;
dcethread* thread;
int detachstate;
start_args = (dcethread_start_args *) malloc(sizeof(*start_args));
if (start_args == NULL)
{
return dcethread__set_errno(ENOMEM);
}
start_args->start = start_routine;
start_args->data = arg;
start_args->self = thread = dcethread__new();
/* Record if this thread was created joinably */
if (!attr || (pthread_attr_getdetachstate(attr, &detachstate), detachstate == PTHREAD_CREATE_JOINABLE))
{
thread->flag.joinable = 1;
}
/* If thread is joinable, give it an extra reference */
if (thread->flag.joinable)
{
thread->refs++;
}
if (dcethread__set_errno(pthread_create((pthread_t*) &thread->pthread, attr, proxy_start, start_args)))
{
dcethread__delete(thread);
free(start_args);
return -1;
}
DCETHREAD_TRACE("Thread %p: created (pthread %lu)", thread, (unsigned long) thread->pthread);
dcethread__lock(thread);
while (thread->state == DCETHREAD_STATE_CREATED)
{
dcethread__wait(thread);
}
dcethread__unlock(thread);
DCETHREAD_TRACE("Thread %p: started", thread);
*_thread = thread;
return dcethread__set_errno(0);
}
dcethread*
dcethread__self(void)
{
dcethread* thread;
/* Ensure thread system is initialized */
dcethread__init();
/* Get self pointer from TLS */
thread = (dcethread*) pthread_getspecific(dcethread_self_key);
if (!thread)
{
/* Lazily create it if it didn't already exist */
thread = dcethread__new();
thread->pthread = pthread_self();
pthread_setspecific(dcethread_self_key, (void*) thread);
thread->state = DCETHREAD_STATE_ACTIVE;
}
return thread;
}