/**
* Notify and unblock one thread waiting on `*this` condition.
*
* Does nothing when no threads are waiting. It is unspecified
* which thread is selected for unblocking.
*
* @throw lock_error when the signal fails on the #pcond.
*/
void
notify_one()
{
PMEMobjpool *pop = pmemobj_pool_by_ptr(this);
if (int ret = pmemobj_cond_signal(pop, &this->pcond))
throw lock_error(ret, std::system_category(),
"Error notifying one on "
"a condition variable.");
}
/*
* cond_write_worker -- (internal) write data with cond variable
*/
static void *
cond_write_worker(void *arg)
{
for (unsigned run = 0; run < WORKER_RUNS; run++) {
if (pmemobj_mutex_lock(&Mock_pop, &Test_obj->mutex))
return NULL;
memset(Test_obj->data, (int)(uintptr_t)arg, DATA_SIZE);
Test_obj->check_data = 1;
if (pmemobj_cond_signal(&Mock_pop, &Test_obj->cond))
UT_ERR("pmemobj_cond_signal");
pmemobj_mutex_unlock(&Mock_pop, &Test_obj->mutex);
}
return NULL;
}
