static void busyloop_sub32(tbox_t *tbox)
{
do {
busyloop_read32(tbox);
apr_atomic_sub32(tbox->mem, tbox->postval);
} while (--tbox->loop);
}
static void busyloop_xchg32(tbox_t *tbox)
{
apr_uint32_t val;
do {
busyloop_read32(tbox);
val = apr_atomic_xchg32(tbox->mem, tbox->postval);
apr_thread_mutex_lock(thread_lock);
ABTS_INT_EQUAL(tbox->tc, val, tbox->preval);
apr_thread_mutex_unlock(thread_lock);
} while (--tbox->loop);
}
static void busyloop_dec32(tbox_t *tbox)
{
apr_uint32_t val;
do {
busyloop_read32(tbox);
val = apr_atomic_dec32(tbox->mem);
apr_thread_mutex_lock(thread_lock);
ABTS_INT_NEQUAL(tbox->tc, 0, val);
apr_thread_mutex_unlock(thread_lock);
} while (--tbox->loop);
}
