Björkus "No time_t to Die" Dorkus @thephd.dev · Mar 19 Forgot how much I hate POSIX and most other C APIs, in general. "Hey, if this thread is not joinable, it's EINVAL." Cool, thanks, I apprecia- "It's also EINVAL if another thread is waiting to join this one." .....
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You can even have the same error for two problems that are so far apart I can't...just...
What are the chances that the programmer who caused EINVAL can programmatically save the situation?
LAW OF USEFUL RETURNS also includes CONSEQUENCE OF USEFUL ERROR CODES: don't overlap distinct, important states into one return code!