> I think that anything other than the errno "grab it now or lose it" > behavior will prove confusing. I don't think there is any other way to > know that a given error report corresponds to a specific system call. > Library calls can mess it up. Kernel changes adding extended reporting to > new system calls can mess it up. Applications cannot possibly be expected > to know which system calls might change the error-reporting status, they > *have* to assume all of them will. >
Yeah I was about to say something similar - an application that expects a certain syscall to have extended errors will get confused if running on an older kernel where that syscall in fact does *not* have extended errors (and thus also doesn't clear extended errors) and therefore the extended error from a previous syscall could still be lingering on (for example because the application didn't care to fetch it for that previo us syscall.) johannes -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
