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bool
of_rmutex_lock(of_rmutex_t *rmutex)
{
uintptr_t count = (uintptr_t)of_tlskey_get(rmutex->count);
if (count > 0) {
if (!of_tlskey_set(rmutex->count, (void*)(count + 1)))
if (!of_tlskey_set(rmutex->count, (void *)(count + 1)))
return false;
return true;
}
if (!of_mutex_lock(&rmutex->mutex))
return false;
if (!of_tlskey_set(rmutex->count, (void*)1)) {
if (!of_tlskey_set(rmutex->count, (void *)1)) {
of_mutex_unlock(&rmutex->mutex);
return false;
}
return true;
}
bool
of_rmutex_trylock(of_rmutex_t *rmutex)
{
uintptr_t count = (uintptr_t)of_tlskey_get(rmutex->count);
if (count > 0) {
if (!of_tlskey_set(rmutex->count, (void*)(count + 1)))
if (!of_tlskey_set(rmutex->count, (void *)(count + 1)))
return false;
return true;
}
if (!of_mutex_trylock(&rmutex->mutex))
return false;
if (!of_tlskey_set(rmutex->count, (void*)1)) {
if (!of_tlskey_set(rmutex->count, (void *)1)) {
of_mutex_unlock(&rmutex->mutex);
return false;
}
return true;
}
bool
of_rmutex_unlock(of_rmutex_t *rmutex)
{
uintptr_t count = (uintptr_t)of_tlskey_get(rmutex->count);
if (count > 1) {
if (!of_tlskey_set(rmutex->count, (void*)(count - 1)))
if (!of_tlskey_set(rmutex->count, (void *)(count - 1)))
return false;
return true;
}
if (!of_tlskey_set(rmutex->count, (void*)0))
if (!of_tlskey_set(rmutex->count, (void *)0))
return false;
if (!of_mutex_unlock(&rmutex->mutex))
return false;
return true;
}
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