try_rwlock_wrlock
error = try_rwlock_wrlock(msqid, msqpptr);
if (try_rwlock_wrlock(msqid, msqpptr) == -1) {
if (try_rwlock_wrlock(msqid, msqpptr) == -1) {
if (try_rwlock_wrlock(msqid, msqpptr) == -1) {
if (try_rwlock_wrlock(msqid, msqpptr) == -1) {
error = try_rwlock_wrlock(semid, semaptr);
error = try_rwlock_wrlock(semid, semaptr);
if (try_rwlock_wrlock(semid, semaptr) == -1) {
if (try_rwlock_wrlock(semid, semaptr) == -1) {