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porting/npl/linux: Handle EINTR from sem_timedwait

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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
1 changed files with 8 additions and 3 deletions
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porting/npl/linux/src/os_sem.c
+7 -2
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@@ -71,10 +71,15 @@ ble_npl_sem_pend(struct ble_npl_sem *sem, uint32_t timeout)
wait.tv_sec += timeout / 1000; wait.tv_sec += timeout / 1000;
wait.tv_nsec += (timeout % 1000) * 1000000; wait.tv_nsec += (timeout % 1000) * 1000000;
err = sem_timedwait(&sem->lock, &wait); while ((err = sem_timedwait(&sem->lock, &wait)) != 0) {
if (err && errno == ETIMEDOUT) { switch (errno) {
case EINTR:
continue;
case ETIMEDOUT:
return BLE_NPL_TIMEOUT; return BLE_NPL_TIMEOUT;
} }
break;
}
} }
return (err) ? BLE_NPL_ERROR : BLE_NPL_OK; return (err) ? BLE_NPL_ERROR : BLE_NPL_OK;