porting/npl/linux: Handle EINTR from sem_timedwait

It's been observed that `sem_timedwait()` can return `EINTR` even if `sigaction()` specified `SA_RESTART`.

Not sure what the deal with that is but handling it is simple enough.
This commit is contained in:
Deomid rojer Ryabkov
2024-09-06 13:34:01 +02:00
committed by Szymon Janc
parent f8d60614b7
commit 42e5a2816d
+8 -3
View File
@@ -71,9 +71,14 @@ ble_npl_sem_pend(struct ble_npl_sem *sem, uint32_t timeout)
wait.tv_sec += timeout / 1000;
wait.tv_nsec += (timeout % 1000) * 1000000;
err = sem_timedwait(&sem->lock, &wait);
if (err && errno == ETIMEDOUT) {
return BLE_NPL_TIMEOUT;
while ((err = sem_timedwait(&sem->lock, &wait)) != 0) {
switch (errno) {
case EINTR:
continue;
case ETIMEDOUT:
return BLE_NPL_TIMEOUT;
}
break;
}
}