EXIT_NORMAL
exit1(p, 0, SIGABRT, EXIT_NORMAL);
flags = EXIT_NORMAL;
if (flags == EXIT_NORMAL)
if (flags == EXIT_NORMAL && !(pr->ps_flags & PS_EXITING)) {
exit1(p, SCARG(uap, rval), 0, EXIT_NORMAL);
exit1(curproc, ecode, 0, EXIT_NORMAL);
exit1(p, 0, signum, EXIT_NORMAL);