PR_PERSIST
&& !(pr_flags & PR_PERSIST)) {
{"persist", "nopersist", PR_PERSIST},
if (ch_flags & PR_PERSIST & (pr_flags ^ pr->pr_flags)) {
if (pr_flags & PR_PERSIST) {
if (cpr->pr_flags & PR_PERSIST) {
cpr->pr_flags &= ~PR_PERSIST;
if (pr->pr_flags & PR_PERSIST) {
pr->pr_flags &= ~PR_PERSIST;