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of_rmutex_new(of_rmutex_t *rmutex)
{
int error;
if ((error = of_mutex_new(&rmutex->mutex)) != 0)
return error;
if ((error = of_tlskey_new(&rmutex->count)) != 0)
if ((error = OFTLSKeyNew(&rmutex->count)) != 0)
return error;
return 0;
}
int
of_rmutex_lock(of_rmutex_t *rmutex)
{
uintptr_t count = (uintptr_t)of_tlskey_get(rmutex->count);
uintptr_t count = (uintptr_t)OFTLSKeyGet(rmutex->count);
int error;
if (count > 0) {
if ((error = of_tlskey_set(rmutex->count,
if ((error = OFTLSKeySet(rmutex->count,
(void *)(count + 1))) != 0)
return error;
return 0;
}
if ((error = of_mutex_lock(&rmutex->mutex)) != 0)
return error;
if ((error = of_tlskey_set(rmutex->count, (void *)1)) != 0) {
if ((error = OFTLSKeySet(rmutex->count, (void *)1)) != 0) {
of_mutex_unlock(&rmutex->mutex);
return error;
}
return 0;
}
int
of_rmutex_trylock(of_rmutex_t *rmutex)
{
uintptr_t count = (uintptr_t)of_tlskey_get(rmutex->count);
uintptr_t count = (uintptr_t)OFTLSKeyGet(rmutex->count);
int error;
if (count > 0) {
if ((error = of_tlskey_set(rmutex->count,
if ((error = OFTLSKeySet(rmutex->count,
(void *)(count + 1))) != 0)
return error;
return 0;
}
if ((error = of_mutex_trylock(&rmutex->mutex)) != 0)
return error;
if ((error = of_tlskey_set(rmutex->count, (void *)1)) != 0) {
if ((error = OFTLSKeySet(rmutex->count, (void *)1)) != 0) {
of_mutex_unlock(&rmutex->mutex);
return error;
}
return 0;
}
int
of_rmutex_unlock(of_rmutex_t *rmutex)
{
uintptr_t count = (uintptr_t)of_tlskey_get(rmutex->count);
uintptr_t count = (uintptr_t)OFTLSKeyGet(rmutex->count);
int error;
if (count > 1) {
if ((error = of_tlskey_set(rmutex->count,
if ((error = OFTLSKeySet(rmutex->count,
(void *)(count - 1))) != 0)
return error;
return 0;
}
if ((error = of_tlskey_set(rmutex->count, (void *)0)) != 0)
if ((error = OFTLSKeySet(rmutex->count, (void *)0)) != 0)
return error;
if ((error = of_mutex_unlock(&rmutex->mutex)) != 0)
return error;
return 0;
}
int
of_rmutex_free(of_rmutex_t *rmutex)
{
int error;
if ((error = of_mutex_free(&rmutex->mutex)) != 0)
return error;
if ((error = of_tlskey_free(rmutex->count)) != 0)
if ((error = OFTLSKeyFree(rmutex->count)) != 0)
return error;
return 0;
}
#endif
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