shm_prison_cansee
rpr == NULL || shm_prison_cansee(rpr, &shmsegs[i]) != 0) {
rpr == NULL || shm_prison_cansee(rpr, &shmsegs[i]) != 0) {
static int shm_prison_cansee(struct prison *, struct shmid_kernel *);
shm_prison_cansee(rpr, shmseg) != 0)