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check usleep() retval
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@@ -221,18 +221,20 @@ static int _vcos_semwait(VCOS_SEMAPHORE_T *sem) {
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if (sem_status == VCOS_SUCCESS) {
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return 0;
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} else if (sem_status != VCOS_EAGAIN || get_now_monotonic() > deadline_ts) {
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goto error;
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break;
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}
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if (usleep(1000) < 0) {
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break;
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}
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usleep(1000);
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}
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error:
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switch (sem_status) {
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case VCOS_EAGAIN: LOG_ERROR("Can't wait VCOS semaphore: EAGAIN (timeout)"); break;
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case VCOS_EINVAL: LOG_ERROR("Can't wait VCOS semaphore: EINVAL"); break;
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default: LOG_ERROR("Can't wait VCOS semaphore: %d", sem_status); break;
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}
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return -1;
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switch (sem_status) {
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case VCOS_EAGAIN: LOG_ERROR("Can't wait VCOS semaphore: EAGAIN (timeout)"); break;
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case VCOS_EINVAL: LOG_ERROR("Can't wait VCOS semaphore: EINVAL"); break;
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default: LOG_ERROR("Can't wait VCOS semaphore: %d", sem_status); break;
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}
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return -1;
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# else
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return (vcos_semaphore_wait(sem) == VCOS_SUCCESS ? 0 : -1);
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# endif
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