bsd/kern/sysv_sem.c

684 	int i, rval, eval;
704 		eval = EINVAL;
711 		eval = EINVAL;
715 	eval = mac_sysvsem_check_semctl(cred, semakptr, cmd);
716 	if (eval)
720 	eval = 0;
725 		if ((eval = ipcperm(cred, &semakptr->u.sem_perm, IPC_M)))
747 		if ((eval = ipcperm(cred, &semakptr->u.sem_perm, IPC_M)))
752 			eval = copyin(user_arg.buf, &ds64, sizeof(ds64));
756 			eval = copyin(user_arg.buf, &ds32, sizeof(ds32));
760 		if (eval != 0) {
772 		if ((eval = ipcperm(cred, &semakptr->u.sem_perm, IPC_R)))
778 			eval = copyout(&semid_ds64, user_arg.buf, sizeof(semid_ds64));
782 			eval = copyout(&semid_ds32, user_arg.buf, sizeof(semid_ds32));
787 		if ((eval = ipcperm(cred, &semakptr->u.sem_perm, IPC_R)))
790 			eval = EINVAL;
797 		if ((eval = ipcperm(cred, &semakptr->u.sem_perm, IPC_R)))
800 			eval = EINVAL;
807 		if ((eval = ipcperm(cred, &semakptr->u.sem_perm, IPC_R)))
810 			eval = EINVAL;
817 		if ((eval = ipcperm(cred, &semakptr->u.sem_perm, IPC_R)))
822 			eval = copyout((caddr_t)&semakptr->u.sem_base[i].semval,
825 			if (eval != 0)
831 		if ((eval = ipcperm(cred, &semakptr->u.sem_perm, IPC_R)))
834 			eval = EINVAL;
841 		if ((eval = ipcperm(cred, &semakptr->u.sem_perm, IPC_W)))
853 			eval = EINVAL;
869 		if ((eval = ipcperm(cred, &semakptr->u.sem_perm, IPC_W)))
874 			eval = copyin(user_arg.array + (i * sizeof(unsigned short)),
877 			if (eval != 0)
887 			eval = EINVAL;
891 	if (eval == 0)
895 	return(eval);
901 	int semid, eval;
928 			if ((eval = ipcperm(cred, &sema[semid].u.sem_perm,
935 				eval = EINVAL;
942 				eval = EEXIST;
946 			eval = mac_sysvsem_check_semget(cred, &sema[semid]);
947 			if (eval)
963 			eval = EINVAL;
975 				eval = ENOSPC;
992 				eval = ENOSPC;
1025 		eval = ENOENT;
1035 	eval = 0;
1039 	return(eval);
1052 	int i, j, eval;
1066 		eval = EINVAL;
1072 		eval = EINVAL;
1076 		eval = EINVAL;
1080 	if ((eval = ipcperm(kauth_cred_get(), &semakptr->u.sem_perm, IPC_W))) {
1082 		printf("eval = %d from ipaccess\n", eval);
1092 		eval = E2BIG;
1097 	if ((eval = copyin(uap->sops, &sops, nsops * sizeof(struct sembuf))) != 0) {
1099 		printf("eval = %d from copyin(%08x, %08x, %ld)\n", eval,
1118 	eval = mac_sysvsem_check_semop(kauth_cred_get(), semakptr, j);
1119 	if (eval)
1141 				eval = EFBIG;
1205 			eval = EAGAIN;
1222 		eval = msleep((caddr_t)semakptr, &sysv_sem_subsys_mutex , (PZERO - 4) | PCATCH,
1226 		printf("semop:  good morning (eval=%d)!\n", eval);
1228 		if (eval != 0) {
1229 			eval = EINTR;
1253 			if (eval == EINTR) {
1261 				eval = EIDRM;
1263 				eval = EINVAL;		/* Ancient past */
1281 		if (eval != 0) { /* EINTR */
1303 			eval = semundo_adjust(p, &supidx, semid,
1305 			if (eval == 0)
1333 			printf("eval = %d from semundo_adjust\n", eval);
1364 	eval = 0;
1367 	return(eval);