1999-12-24 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/posix/system.c (__libc_system): Check whether command
processor is available if LINE is NULL. Don't return immediately
if wait call returned with EINTR.
Patches by Geoff Clare <gwc@unisoft.com> (PR libc/1497 and libc/1498).