4 ms·

You're right that this could theoretically be the intent -- but it's very unlikely that it's necessary: "The value of errno is zero at program startup" - ISO/IE

by pc 18y ago

You're right that this could theoretically be the intent -- but it's very unlikely that it's necessary: "The value of errno is zero at program startup" - ISO/IEC 9899:TC2. If EINTR was 0, there'd be no way of detecting it.