void pa_asyncmsgq_done(pa_asyncmsgq *a, int ret) {
pa_assert(PA_REFCNT_VALUE(a) > 0);
pa_assert(a);
pa_assert(a->current);
if (a->current->semaphore) {
a->current->ret = ret;
pa_semaphore_post(a->current->semaphore);
} else {
if (a->current->free_cb)
a->current->free_cb(a->current->userdata);
if (a->current->object)
pa_msgobject_unref(a->current->object);
if (a->current->memchunk.memblock)
pa_memblock_unref(a->current->memchunk.memblock);
if (pa_flist_push(PA_STATIC_FLIST_GET(asyncmsgq), a->current) < 0)
pa_xfree(a->current);
}
a->current = NULL;
}
/* No lock necessary, in corner cases locks by its own */
void pa_memblock_release(pa_memblock *b) {
int r;
pa_assert(b);
pa_assert(PA_REFCNT_VALUE(b) > 0);
r = pa_atomic_dec(&b->n_acquired);
pa_assert(r >= 1);
/* Signal a waiting thread that this memblock is no longer used */
if (r == 1 && pa_atomic_load(&b->please_signal))
pa_semaphore_post(b->pool->semaphore);
}
void pa_aupdate_read_end(pa_aupdate *a) {
unsigned PA_UNUSED n;
pa_assert(a);
/* Decrease the lock counter */
n = (unsigned) pa_atomic_dec(&a->read_lock);
/* Make sure the counter was valid */
pa_assert(COUNTER(n) > 0);
/* Post the semaphore */
pa_semaphore_post(a->semaphore);
}
