Fix XIO: fatal IO error 0 (Success)
ImpSendReminder is a signal handler that may cause I/O, which may clear errno between an XIO I/O syscall and check of errno.
Save and restore errno.
A fix for AAT fault 17925.
Tested in simulation with Veloce.
ImpSendReminder is a signal handler that may cause I/O, which may clear errno between an XIO I/O syscall and check of errno.
Save and restore errno.
A fix for AAT fault 17925.
Tested in simulation with Veloce.