317         let mut guard = pcb.cred.lock();  in setuid()  localVariable
319         if guard.uid.data() == 0 {  in setuid()
320             guard.setuid(uid);  in setuid()
321             guard.seteuid(uid);  in setuid()
322             guard.setsuid(uid);  in setuid()
323         } else if uid == guard.uid.data() || uid == guard.suid.data() {  in setuid()
324             guard.seteuid(uid);  in setuid()
334         let mut guard = pcb.cred.lock();  in setgid()  localVariable
336         if guard.egid.data() == 0 {  in setgid()
337             guard.setgid(gid);  in setgid()
338             guard.setegid(gid);  in setgid()
339             guard.setsgid(gid);  in setgid()
340             guard.setfsgid(gid);  in setgid()
341         } else if guard.gid.data() == gid || guard.sgid.data() == gid {  in setgid()
342             guard.setegid(gid);  in setgid()
343             guard.setfsgid(gid);  in setgid()
353         let mut guard = pcb.cred.lock();  in seteuid()  localVariable
355         if euid == usize::MAX || (euid == guard.euid.data() && euid == guard.fsuid.data()) {  in seteuid()
360             guard.seteuid(euid);  in seteuid()
363         let euid = guard.euid.data();  in seteuid()
364         guard.setfsuid(euid);  in seteuid()
371         let mut guard = pcb.cred.lock();  in setegid()  localVariable
373         if egid == usize::MAX || (egid == guard.egid.data() && egid == guard.fsgid.data()) {  in setegid()
378             guard.setegid(egid);  in setegid()
381         let egid = guard.egid.data();  in setegid()
382         guard.setfsgid(egid);  in setegid()
391         let mut guard = pcb.cred.lock();  in setfsuid()  localVariable
392         let old_fsuid = guard.fsuid;  in setfsuid()
394         if fsuid == guard.uid || fsuid == guard.euid || fsuid == guard.suid {  in setfsuid()
395             guard.setfsuid(fsuid.data());  in setfsuid()
405         let mut guard = pcb.cred.lock();  in setfsgid()  localVariable
406         let old_fsgid = guard.fsgid;  in setfsgid()
408         if fsgid == guard.gid || fsgid == guard.egid || fsgid == guard.sgid {  in setfsgid()
409             guard.setfsgid(fsgid.data());  in setfsgid()