ipcs/ipcs.c

   1 /*
   2  * Copyright (c) 1994 SigmaSoft, Th. Lockert <tholo@sigmasoft.com>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. The name of the author may not be used to endorse or promote products
  14  *    derived from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  17  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
  18  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
  19  * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #include <sys/cdefs.h>
  29
  30 #include <assert.h>
  31 #include <err.h>
  32 #include <fcntl.h>
  33 #include <grp.h>
  34 #include <nlist.h>
  35 #include <limits.h>
  36 #include <paths.h>
  37 #include <pwd.h>
  38 #include <stddef.h>
  39 #include <stdio.h>
  40 #include <stdlib.h>
  41 #include <string.h>
  42 #include <unistd.h>
  43 #include <sysexits.h>
  44
  45 #include "sys/types.h"
  46 #include <sys/ucred.h>
  47 #include <sys/time.h>
  48 #include <sys/proc.h>
  49 #include <sys/param.h>
  50 #include <sys/sysctl.h>
  51 #include <errno.h>
  52 #include "sys/ipcs.h"
  53 #define KERNEL 1                /* To get new ipc_perm and __(sem|shm|msg)ds_new */
  54 #include "sys/ipc.h"
  55 #include "sys/sem_internal.h"
  56 #include "sys/shm_internal.h"
  57 #include "sys/msg.h"
  58
  59
  60 /* The following is a kludge, until the problem of multiple inclusions
  61    of ipc.h is taken care of. */
  62 #ifndef IXSEQ_TO_IPCID
  63 #define IXSEQ_TO_IPCID(ix,perm) (((perm._seq) << 16L) | (ix & 0xffff))
  64 #endif
  65
  66 char   *
  67 fmt_perm(u_short mode, char write_char)
  68 {
  69         static char buffer[100];
  70
  71         buffer[0] = '-';
  72         buffer[1] = '-';
  73         buffer[2] = ((mode & 0400) ? 'r' : '-');
  74         buffer[3] = ((mode & 0200) ? write_char : '-');
  75         buffer[4] = '-';
  76         buffer[5] = ((mode & 0040) ? 'r' : '-');
  77         buffer[6] = ((mode & 0020) ? write_char : '-');
  78         buffer[7] = '-';
  79         buffer[8] = ((mode & 0004) ? 'r' : '-');
  80         buffer[9] = ((mode & 0002) ? write_char : '-');
  81         buffer[10] = '-';
  82         buffer[11] = '\0';
  83         return (&buffer[0]);
  84 }
  85
  86 void
  87 cvt_time(time_t t, char *buf)
  88 {
  89         struct tm *tm;
  90
  91         if (t == 0) {
  92                 strcpy(buf, "no-entry");
  93         } else {
  94                 tm = localtime(&t);
  95                 sprintf(buf, "%2d:%02d:%02d",
  96                         tm->tm_hour, tm->tm_min, tm->tm_sec);
  97         }
  98 }
  99 #define SHMINFO         1
 100 #define SHMTOTAL        2
 101 #define MSGINFO         4
 102 #define MSGTOTAL        8
 103 #define SEMINFO         16
 104 #define SEMTOTAL        32
 105
 106 #define BIGGEST         1
 107 #define CREATOR         2
 108 #define OUTSTANDING     4
 109 #define PID             8
 110 #define TIME            16
 111
 112 void usage()
 113 {
 114         errx(EX_USAGE, "%s","usage: ipcs [-abcmopqstMQST]\n");
 115 }
 116
 117 int safe_sysctlbyname(const char *name, void *oldp, size_t *oldlenp, void *newp,
 118                       size_t newlen)
 119
 120 {
 121         int rv, sv_errno=0;
 122
 123         if (seteuid(0)) /* iterator needs root write access to sysctl */
 124                 err(1, "seteuid(0) failed");
 125
 126         rv = sysctlbyname(name, oldp, oldlenp, newp, newlen);
 127         if (rv < 0)
 128                 sv_errno = errno;
 129
 130         if (seteuid(getuid()))
 131                 err(1, "seteuid(%d) failed", getuid());
 132
 133         if (rv < 0)
 134                 errno = sv_errno;
 135         return rv;
 136 }
 137
 138 int
 139 main(argc, argv)
 140         int     argc;
 141         char   *argv[];
 142 {
 143         int     display = 0;
 144         int     option = 0;
 145         int     exit_val = 0;
 146         time_t  now;
 147         char    datestring[100];
 148         int     i;
 149
 150         if (seteuid(getuid()))  /* run as user */
 151                 err(1, "seteuid(%d) failed", getuid());
 152
 153         while ((i = getopt(argc, argv, "MmQqSsabcoptT")) != -1)
 154                 switch (i) {
 155                 case 'M':
 156                         display = SHMTOTAL;
 157                         break;
 158                 case 'm':
 159                         display |= SHMINFO;
 160                         break;
 161                 case 'Q':
 162                         display = MSGTOTAL;
 163                         break;
 164                 case 'q':
 165                         display |= MSGINFO;
 166                         break;
 167                 case 'S':
 168                         display = SEMTOTAL;
 169                         break;
 170                 case 's':
 171                         display |= SEMINFO;
 172                         break;
 173                 case 'T':
 174                         display = SHMTOTAL | MSGTOTAL | SEMTOTAL;
 175                         break;
 176                 case 'a':
 177                         option |= BIGGEST | CREATOR | OUTSTANDING | PID | TIME;
 178                         break;
 179                 case 'b':
 180                         option |= BIGGEST;
 181                         break;
 182                 case 'c':
 183                         option |= CREATOR;
 184                         break;
 185                 case 'o':
 186                         option |= OUTSTANDING;
 187                         break;
 188                 case 'p':
 189                         option |= PID;
 190                         break;
 191                 case 't':
 192                         option |= TIME;
 193                         break;
 194                 default:
 195                         usage();
 196                 }
 197         if (display == 0)
 198                 display = SHMINFO | MSGINFO | SEMINFO;
 199         now = time(0);
 200         if (0 == strftime(datestring, sizeof(datestring), "%a %b %e %H:%M:%S %Z %Y", localtime(&now)))
 201             errx(1, "strftime failed\n");
 202         printf("IPC status from <running system> as of %s\n", datestring);
 203         if ((display & (MSGINFO | MSGTOTAL))) {
 204                 if (display & MSGTOTAL) {
 205                         struct IPCS_command ic;
 206                         struct msginfo msginfo;
 207                         size_t ic_size = sizeof(ic);
 208
 209                         ic.ipcs_magic = IPCS_MAGIC;
 210                         ic.ipcs_op = IPCS_MSG_CONF;
 211                         ic.ipcs_cursor = 0;     /* 0 for fw. compat. */
 212                         ic.ipcs_data = &msginfo;
 213                         ic.ipcs_datalen = sizeof(msginfo);
 214
 215                         if (safe_sysctlbyname(IPCS_MSG_SYSCTL, &ic, &ic_size, &ic, ic_size)) {
 216                                 if (errno != EPERM) {
 217                                         char buffer[1024];
 218                                         snprintf(buffer, 1024, "sysctlbyname(IPCS_MSG_SYSCTL, op=CONF, &ic, &%ld) datalen=%d",
 219                                                  sizeof(ic), ic.ipcs_datalen);
 220                                         perror(buffer);
 221                                 } else
 222                                         perror("sysctlbyname IPCS_MSG_SYSCTL");
 223                         }
 224
 225                         printf("msginfo:\n");
 226                         printf("\tmsgmax: %6d\t(max characters in a message)\n",
 227                             msginfo.msgmax);
 228                         printf("\tmsgmni: %6d\t(# of message queues)\n",
 229                             msginfo.msgmni);
 230                         printf("\tmsgmnb: %6d\t(max characters in a message queue)\n",
 231                             msginfo.msgmnb);
 232                         printf("\tmsgtql: %6d\t(max # of messages in system)\n",
 233                             msginfo.msgtql);
 234                         printf("\tmsgssz: %6d\t(size of a message segment)\n",
 235                             msginfo.msgssz);
 236                         printf("\tmsgseg: %6d\t(# of message segments in system)\n\n",
 237                             msginfo.msgseg);
 238                 }
 239                 if (display & MSGINFO) {
 240                         struct IPCS_command ic;
 241                         struct __msqid_ds_new ds;
 242                         struct __msqid_ds_new *msqptr = &ds;
 243                         size_t ic_size = sizeof(ic);
 244
 245                         printf("T     ID     KEY        MODE       OWNER    GROUP");
 246                         if (option & CREATOR)
 247                                 printf("  CREATOR   CGROUP");
 248                         if (option & OUTSTANDING)
 249                                 printf(" CBYTES  QNUM");
 250                         if (option & BIGGEST)
 251                                 printf(" QBYTES");
 252                         if (option & PID)
 253                                 printf(" LSPID LRPID");
 254                         if (option & TIME)
 255                                 printf("   STIME    RTIME    CTIME");
 256                         printf("\nMessage Queues:\n");
 257
 258                         ic.ipcs_magic = IPCS_MAGIC;
 259                         ic.ipcs_op = IPCS_MSG_ITER;
 260                         ic.ipcs_cursor = 0;     /* start */
 261                         ic.ipcs_datalen = sizeof(*msqptr);
 262                         ic.ipcs_data = msqptr;
 263
 264                         memset(msqptr, 0, sizeof(*msqptr));
 265
 266                         while(!(safe_sysctlbyname(IPCS_MSG_SYSCTL, &ic, &ic_size, &ic, ic_size))) {
 267                                 ic.ipcs_data = msqptr;
 268
 269                                 if (msqptr->msg_qbytes != 0) {
 270                                         char    stime_buf[100], rtime_buf[100],
 271                                                 ctime_buf[100];
 272
 273                                         cvt_time(msqptr->msg_stime, stime_buf);
 274                                         cvt_time(msqptr->msg_rtime, rtime_buf);
 275                                         cvt_time(msqptr->msg_ctime, ctime_buf);
 276
 277                                         printf("q %6d 0x%08x %s %8s %8s",
 278                                                IXSEQ_TO_IPCID((ic.ipcs_cursor-1), msqptr->msg_perm),
 279                                             (int)msqptr->msg_perm._key,
 280                                             fmt_perm(msqptr->msg_perm.mode, 'w'),
 281                                             user_from_uid(msqptr->msg_perm.uid, 0),
 282                                             group_from_gid(msqptr->msg_perm.gid, 0));
 283
 284                                         if (option & CREATOR)
 285                                                 printf(" %8s %8s",
 286                                                     user_from_uid(msqptr->msg_perm.cuid, 0),
 287                                                     group_from_gid(msqptr->msg_perm.cgid, 0));
 288
 289                                         if (option & OUTSTANDING)
 290                                                 printf(" %6lu %6lu",
 291                                                     msqptr->msg_cbytes,
 292                                                     msqptr->msg_qnum);
 293
 294                                         if (option & BIGGEST)
 295                                                 printf(" %6lu",
 296                                                     msqptr->msg_qbytes);
 297
 298                                         if (option & PID)
 299                                                 printf(" %6d %6d",
 300                                                     msqptr->msg_lspid,
 301                                                     msqptr->msg_lrpid);
 302
 303                                         if (option & TIME)
 304                                                 printf(" %s %s %s",
 305                                                     stime_buf,
 306                                                     rtime_buf,
 307                                                     ctime_buf);
 308
 309                                         printf("\n");
 310                                 }
 311                                 memset(msqptr, 0, sizeof(*msqptr));
 312                                 errno = 0;
 313                         }
 314
 315                         if (errno != ENOENT && errno != ERANGE) {
 316                                 if (errno != EPERM) {
 317                                         errx(1, "sysctlbyname(IPCS_MSG_SYSCTL, op=ITER, &ic, &%ld) datalen=%d failed:%s\n",
 318                                                  sizeof(ic), ic.ipcs_datalen, strerror(errno));
 319                                 } else
 320                                         errx(1, "sysctlbyname IPCS_MSG_SYSCTL: %s", strerror(errno));
 321                         }
 322                         printf("\n");
 323                 }
 324         } else
 325                 if (display & (MSGINFO | MSGTOTAL)) {
 326                         errx(1, "%s", "SVID messages facility not configured in the system\n");
 327                 }
 328
 329         if ((display & (SHMINFO | SHMTOTAL))) {
 330                 if (display & SHMTOTAL) {
 331                         struct IPCS_command ic;
 332                         struct shminfo shminfo;
 333                         size_t ic_size = sizeof(ic);
 334
 335                         ic.ipcs_magic = IPCS_MAGIC;
 336                         ic.ipcs_op = IPCS_SHM_CONF;
 337                         ic.ipcs_cursor = 0;     /* 0 for fw. compat. */
 338                         ic.ipcs_data = &shminfo;
 339                         ic.ipcs_datalen = sizeof(shminfo);
 340
 341                         if (safe_sysctlbyname(IPCS_SHM_SYSCTL, &ic, &ic_size, &ic, ic_size)) {
 342                                 if (errno != EPERM) {
 343                                         errx(1, "sysctlbyname(IPCS_SHM_SYSCTL, op=CONF, &ic, &%ld) datalen=%d failed: %s\n",
 344                                              sizeof(ic), ic.ipcs_datalen, strerror(errno));
 345                                 } else
 346                                         errx(1, "sysctlbyname: %s", strerror(errno));
 347                         }
 348                         printf("shminfo:\n");
 349                         printf("\tshmmax: %7lld\t(max shared memory segment size)\n",
 350                             shminfo.shmmax);
 351                         printf("\tshmmin: %7lld\t(min shared memory segment size)\n",
 352                             shminfo.shmmin);
 353                         printf("\tshmmni: %7lld\t(max number of shared memory identifiers)\n",
 354                             shminfo.shmmni);
 355                         printf("\tshmseg: %7lld\t(max shared memory segments per process)\n",
 356                             shminfo.shmseg);
 357                         printf("\tshmall: %7lld\t(max amount of shared memory in pages)\n\n",
 358                             shminfo.shmall);
 359                 }
 360                 if (display & SHMINFO) {
 361                         struct IPCS_command ic;
 362                         struct __shmid_ds_new ds;
 363                         struct __shmid_ds_new *shmptr = &ds;
 364                         size_t ic_size = sizeof(ic);
 365
 366                         printf("T     ID     KEY        MODE       OWNER    GROUP");
 367                         if (option & CREATOR)
 368                                 printf("  CREATOR   CGROUP");
 369                         if (option & OUTSTANDING)
 370                                 printf(" NATTCH");
 371                         if (option & BIGGEST)
 372                                 printf("  SEGSZ");
 373                         if (option & PID)
 374                                 printf("  CPID  LPID");
 375                         if (option & TIME)
 376                                 printf("   ATIME    DTIME    CTIME");
 377                         printf("\nShared Memory:\n");
 378                 {       /* XXX */
 379
 380                         ic.ipcs_magic = IPCS_MAGIC;
 381                         ic.ipcs_op = IPCS_SHM_ITER;
 382                         ic.ipcs_cursor = 0;     /* start */
 383                         ic.ipcs_datalen = sizeof(*shmptr);
 384                         ic.ipcs_data = shmptr;
 385                         memset(shmptr, 0, sizeof(shmptr));
 386
 387                         while(!(safe_sysctlbyname(IPCS_SHM_SYSCTL, &ic, &ic_size, &ic, ic_size))) {
 388                                 ic.ipcs_data = shmptr; /* xnu workaround */
 389
 390                                 if (shmptr->shm_perm.mode & 0x0800) {
 391                                         char    atime_buf[100], dtime_buf[100],
 392                                                 ctime_buf[100];
 393
 394                                         cvt_time(shmptr->shm_atime, atime_buf);
 395                                         cvt_time(shmptr->shm_dtime, dtime_buf);
 396                                         cvt_time(shmptr->shm_ctime, ctime_buf);
 397
 398                                         printf("m %6d 0x%08x %s %8s %8s",
 399                                                IXSEQ_TO_IPCID((ic.ipcs_cursor-1), shmptr->shm_perm),
 400                                             (int)shmptr->shm_perm._key,
 401                                             fmt_perm(shmptr->shm_perm.mode, 'w'),
 402                                             user_from_uid(shmptr->shm_perm.uid, 0),
 403                                             group_from_gid(shmptr->shm_perm.gid, 0));
 404
 405                                         if (option & CREATOR)
 406                                                 printf(" %8s %8s",
 407                                                     user_from_uid(shmptr->shm_perm.cuid, 0),
 408                                                     group_from_gid(shmptr->shm_perm.cgid, 0));
 409
 410                                         if (option & OUTSTANDING)
 411                                                 printf(" %6d",
 412                                                     shmptr->shm_nattch);
 413
 414                                         if (option & BIGGEST)
 415                                                 printf(" %6ld",
 416                                                     shmptr->shm_segsz);
 417
 418                                         if (option & PID)
 419                                                 printf(" %6d %6d",
 420                                                     shmptr->shm_cpid,
 421                                                     shmptr->shm_lpid);
 422
 423                                         if (option & TIME)
 424                                                 printf(" %s %s %s",
 425                                                     atime_buf,
 426                                                     dtime_buf,
 427                                                     ctime_buf);
 428
 429                                         printf("\n");
 430                                 }
 431                                 memset(shmptr, 0, sizeof(*shmptr));
 432                                 errno = 0;
 433                         }
 434
 435                         if (errno != ENOENT && errno != ERANGE) {
 436                                 if (errno != EPERM) {
 437                                         errx(1, "sysctlbyname(IPCS_SHM_SYSCTL, op=ITER, &ic, &%ld) datalen=%d failed:%s\n",
 438                                                  sizeof(ic), ic.ipcs_datalen, strerror(errno));
 439                                 } else
 440                                         errx(1, "sysctlbyname: %s", strerror(errno));
 441                         }
 442                 }       /* XXX */
 443                         printf("\n");
 444                 }
 445         }
 446 else
 447                 if (display & (SHMINFO | SHMTOTAL)) {
 448                         errx(1, "%s", "SVID shared memory facility not configured in the system\n");
 449                 }
 450
 451         if ((display & (SEMINFO | SEMTOTAL))) {
 452                 if (display & SEMTOTAL) {
 453                         struct IPCS_command ic;
 454                         struct seminfo seminfo;
 455                         size_t ic_size = sizeof(ic);
 456
 457                         ic.ipcs_magic = IPCS_MAGIC;
 458                         ic.ipcs_op = IPCS_SEM_CONF;
 459                         ic.ipcs_cursor = 0;     /* 0 for fw. compat. */
 460                         ic.ipcs_data = &seminfo;
 461                         ic.ipcs_datalen = sizeof(seminfo);
 462
 463                         if (safe_sysctlbyname(IPCS_SEM_SYSCTL, &ic, &ic_size, &ic, ic_size)) {
 464                                 if (errno != EPERM) {
 465                                         char buffer[1024];
 466                                         snprintf(buffer, 1024, "sysctlbyname(IPCS_SEM_SYSCTL, op=CONF, &ic, &%ld) datalen=%d",
 467                                                  sizeof(ic), ic.ipcs_datalen);
 468                                         perror(buffer);
 469                                 } else
 470                                         perror("sysctlbyname IPCS_SEM_SYSCTL/SEM_CONF");
 471                         }
 472
 473                         printf("seminfo:\n");
 474                         printf("\tsemmap: %6d\t(# of entries in semaphore map)\n",
 475                             seminfo.semmap);
 476                         printf("\tsemmni: %6d\t(# of semaphore identifiers)\n",
 477                             seminfo.semmni);
 478                         printf("\tsemmns: %6d\t(# of semaphores in system)\n",
 479                             seminfo.semmns);
 480                         printf("\tsemmnu: %6d\t(# of undo structures in system)\n",
 481                             seminfo.semmnu);
 482                         printf("\tsemmsl: %6d\t(max # of semaphores per id)\n",
 483                             seminfo.semmsl);
 484                         printf("\tsemopm: %6d\t(max # of operations per semop call)\n",
 485                             seminfo.semopm);
 486                         printf("\tsemume: %6d\t(max # of undo entries per process)\n",
 487                             seminfo.semume);
 488                         printf("\tsemusz: %6d\t(size in bytes of undo structure)\n",
 489                             seminfo.semusz);
 490                         printf("\tsemvmx: %6d\t(semaphore maximum value)\n",
 491                             seminfo.semvmx);
 492                         printf("\tsemaem: %6d\t(adjust on exit max value)\n\n",
 493                             seminfo.semaem);
 494                 }
 495                 if (display & SEMINFO) {
 496                         struct IPCS_command ic;
 497                         struct __semid_ds_new ds;
 498                         struct __semid_ds_new *semaptr = &ds;
 499                         size_t ic_size = sizeof(ic);
 500
 501                         printf("T     ID     KEY        MODE       OWNER    GROUP");
 502                         if (option & CREATOR)
 503                                 printf("  CREATOR   CGROUP");
 504                         if (option & BIGGEST)
 505                                 printf(" NSEMS");
 506                         if (option & TIME)
 507                                 printf("   OTIME    CTIME");
 508                         printf("\nSemaphores:\n");
 509
 510                         ic.ipcs_magic = IPCS_MAGIC;
 511                         ic.ipcs_op = IPCS_SEM_ITER;
 512                         ic.ipcs_cursor = 0;     /* start */
 513                         ic.ipcs_datalen = sizeof(*semaptr);
 514                         ic.ipcs_data = semaptr;
 515
 516                         memset(semaptr, 0, sizeof(*semaptr));
 517
 518                         while(!(safe_sysctlbyname(IPCS_SEM_SYSCTL, &ic, &ic_size, &ic, ic_size))) {
 519                                 ic.ipcs_data = semaptr; /* xnu workaround */
 520
 521                                 if ((semaptr->sem_perm.mode & SEM_ALLOC) != 0) {
 522                                         char    ctime_buf[100], otime_buf[100];
 523
 524                                         cvt_time(semaptr->sem_otime, otime_buf);
 525                                         cvt_time(semaptr->sem_ctime, ctime_buf);
 526
 527                                         printf("s %6d 0x%08x %s %8s %8s",
 528                                                IXSEQ_TO_IPCID((ic.ipcs_cursor-1), semaptr->sem_perm),
 529                                             (int)semaptr->sem_perm._key,
 530                                             fmt_perm(semaptr->sem_perm.mode, 'a'),
 531                                             user_from_uid(semaptr->sem_perm.uid, 0),
 532                                             group_from_gid(semaptr->sem_perm.gid, 0));
 533
 534                                         if (option & CREATOR)
 535                                                 printf(" %8s %8s",
 536                                                     user_from_uid(semaptr->sem_perm.cuid, 0),
 537                                                     group_from_gid(semaptr->sem_perm.cgid, 0));
 538
 539                                         if (option & BIGGEST)
 540                                                 printf(" %6d",
 541                                                     semaptr->sem_nsems);
 542
 543                                         if (option & TIME)
 544                                                 printf(" %s %s",
 545                                                     otime_buf,
 546                                                     ctime_buf);
 547
 548                                         printf("\n");
 549                                 }
 550                                 memset(semaptr, 0, sizeof(*semaptr));
 551                                 errno = 0;
 552                         }
 553
 554                         if (errno != ENOENT && errno != ERANGE) {
 555                                 if (errno != EPERM) {
 556                                         errx(1, "sysctlbyname(IPCS_SEM_SYSCTL/ITER, op=ITER, &ic, &%ld) datalen=%d failed: %s\n",
 557                                                  sizeof(ic), ic.ipcs_datalen, strerror(errno));
 558                                 } else
 559                                         errx(1, "sysctlbyname: IPCS_SEM_SYSCTL %s", strerror(errno));
 560                         }
 561                         printf("\n");
 562                 }
 563         } else
 564                 if (display & (SEMINFO | SEMTOTAL)) {
 565                         errx(1, "%s", "SVID semaphores facility not configured in the system\n");
 566                 }
 567
 568         exit(exit_val);
 569 }