sys-utils/ipcs.c

   1 /* Original author unknown, may be "krishna balasub@cis.ohio-state.edu" */
   2 /*
   3  * Modified Sat Oct  9 10:55:28 1993 for 0.99.13
   4  *
   5  * Patches from Mike Jagdis (jaggy@purplet.demon.co.uk) applied Wed Feb 8
   6  * 12:12:21 1995 by faith@cs.unc.edu to print numeric uids if no passwd file
   7  * entry.
   8  *
   9  * Patch from arnolds@ifns.de (Heinz-Ado Arnolds) applied Mon Jul 1 19:30:41
  10  * 1996 by janl@math.uio.no to add code missing in case PID: clauses.
  11  *
  12  * Patched to display the key field -- hy@picksys.com 12/18/96
  13  *
  14  * 1999-02-22 Arkadiusz Miśkiewicz <misiek@pld.ORG.PL>
  15  * - added Native Language Support
  16  */
  17
  18 #include <errno.h>
  19 #include <getopt.h>
  20
  21 #include "c.h"
  22 #include "nls.h"
  23 #include "closestream.h"
  24
  25 #include "ipcutils.h"
  26
  27 enum output_formats {
  28         NOTSPECIFIED,
  29         LIMITS,
  30         STATUS,
  31         CREATOR,
  32         TIME,
  33         PID
  34 };
  35 enum {
  36         OPT_HUMAN = CHAR_MAX + 1
  37 };
  38
  39 static void do_shm (char format, int unit);
  40 static void print_shm (int id, int unit);
  41 static void do_sem (char format);
  42 static void print_sem (int id);
  43 static void do_msg (char format, int unit);
  44 static void print_msg (int id, int unit);
  45
  46 /* we read time as int64_t from /proc, so cast... */
  47 #define xctime(_x)      ctime((time_t *) (_x))
  48
  49 static void __attribute__ ((__noreturn__)) usage(FILE * out)
  50 {
  51         fputs(USAGE_HEADER, out);
  52         fprintf(out, _(" %1$s [resource-option...] [output-option]\n"
  53                        " %1$s -m|-q|-s -i <id>\n"), program_invocation_short_name);
  54
  55         fputs(USAGE_SEPARATOR, out);
  56         fputs(_("Show information on IPC facilities.\n"), out);
  57
  58         fputs(USAGE_OPTIONS, out);
  59         fputs(_(" -i, --id <id>  print details on resource identified by <id>\n"), out);
  60         fputs(USAGE_HELP, out);
  61         fputs(USAGE_VERSION, out);
  62
  63         fputs(USAGE_SEPARATOR, out);
  64         fputs(_("Resource options:\n"), out);
  65         fputs(_(" -m, --shmems      shared memory segments\n"), out);
  66         fputs(_(" -q, --queues      message queues\n"), out);
  67         fputs(_(" -s, --semaphores  semaphores\n"), out);
  68         fputs(_(" -a, --all         all (default)\n"), out);
  69
  70         fputs(USAGE_SEPARATOR, out);
  71         fputs(_("Output options:\n"), out);
  72         fputs(_(" -t, --time        show attach, detach and change times\n"), out);
  73         fputs(_(" -p, --pid         show PIDs of creator and last operator\n"), out);
  74         fputs(_(" -c, --creator     show creator and owner\n"), out);
  75         fputs(_(" -l, --limits      show resource limits\n"), out);
  76         fputs(_(" -u, --summary     show status summary\n"), out);
  77         fputs(_("     --human       show sizes in human-readable format\n"), out);
  78         fputs(_(" -b, --bytes       show sizes in bytes\n"), out);
  79         fprintf(out, USAGE_MAN_TAIL("ipcs(1)"));
  80
  81         exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
  82 }
  83
  84 int main (int argc, char **argv)
  85 {
  86         int opt, msg = 0, shm = 0, sem = 0, id = 0, specific = 0;
  87         char format = NOTSPECIFIED;
  88         int unit = IPC_UNIT_DEFAULT;
  89         static const struct option longopts[] = {
  90                 {"id", required_argument, NULL, 'i'},
  91                 {"queues", no_argument, NULL, 'q'},
  92                 {"shmems", no_argument, NULL, 'm'},
  93                 {"semaphores", no_argument, NULL, 's'},
  94                 {"all", no_argument, NULL, 'a'},
  95                 {"time", no_argument, NULL, 't'},
  96                 {"pid", no_argument, NULL, 'p'},
  97                 {"creator", no_argument, NULL, 'c'},
  98                 {"limits", no_argument, NULL, 'l'},
  99                 {"summary", no_argument, NULL, 'u'},
 100                 {"human", no_argument, NULL, OPT_HUMAN},
 101                 {"bytes", no_argument, NULL, 'b'},
 102                 {"version", no_argument, NULL, 'V'},
 103                 {"help", no_argument, NULL, 'h'},
 104                 {NULL, 0, NULL, 0}
 105         };
 106         char options[] = "i:qmsatpclubVh";
 107
 108         setlocale(LC_ALL, "");
 109         bindtextdomain(PACKAGE, LOCALEDIR);
 110         textdomain(PACKAGE);
 111         atexit(close_stdout);
 112
 113         while ((opt = getopt_long(argc, argv, options, longopts, NULL)) != -1) {
 114                 switch (opt) {
 115                 case 'i':
 116                         id = atoi (optarg);
 117                         specific = 1;
 118                         break;
 119                 case 'a':
 120                         msg = shm = sem = 1;
 121                         break;
 122                 case 'q':
 123                         msg = 1;
 124                         break;
 125                 case 'm':
 126                         shm = 1;
 127                         break;
 128                 case 's':
 129                         sem = 1;
 130                         break;
 131                 case 't':
 132                         format = TIME;
 133                         break;
 134                 case 'c':
 135                         format = CREATOR;
 136                         break;
 137                 case 'p':
 138                         format = PID;
 139                         break;
 140                 case 'l':
 141                         format = LIMITS;
 142                         break;
 143                 case 'u':
 144                         format = STATUS;
 145                         break;
 146                 case OPT_HUMAN:
 147                         unit = IPC_UNIT_HUMAN;
 148                         break;
 149                 case 'b':
 150                         unit = IPC_UNIT_BYTES;
 151                         break;
 152                 case 'h':
 153                         usage(stdout);
 154                 case 'V':
 155                         printf(UTIL_LINUX_VERSION);
 156                         return EXIT_SUCCESS;
 157                 default:
 158                         errtryhelp(EXIT_FAILURE);
 159                 }
 160         }
 161
 162         if (specific && (msg + shm + sem != 1))
 163                 errx (EXIT_FAILURE,
 164                       _("when using an ID, a single resource must be specified"));
 165         if (specific) {
 166                 if (msg)
 167                         print_msg (id, unit);
 168                 if (shm)
 169                         print_shm (id, unit);
 170                 if (sem)
 171                         print_sem (id);
 172         } else {
 173                 if (!msg && !shm && !sem)
 174                         msg = shm = sem = 1;
 175                 printf ("\n");
 176                 if (msg) {
 177                         do_msg (format, unit);
 178                         printf ("\n");
 179                 }
 180                 if (shm) {
 181                         do_shm (format, unit);
 182                         printf ("\n");
 183                 }
 184                 if (sem) {
 185                         do_sem (format);
 186                         printf ("\n");
 187                 }
 188         }
 189         return EXIT_SUCCESS;
 190 }
 191
 192 static void do_shm (char format, int unit)
 193 {
 194         struct passwd *pw;
 195         struct shm_data *shmds, *shmdsp;
 196
 197         switch (format) {
 198         case LIMITS:
 199         {
 200                 struct ipc_limits lim;
 201
 202                 if (ipc_shm_get_limits(&lim)) {
 203                         printf (_("unable to fetch shared memory limits\n"));
 204                         return;
 205                 }
 206                 printf (_("------ Shared Memory Limits --------\n"));
 207                 printf (_("max number of segments = %ju\n"), lim.shmmni);
 208                 ipc_print_size(unit == IPC_UNIT_DEFAULT ? IPC_UNIT_KB : unit,
 209                                _("max seg size"), lim.shmmax, "\n", 0);
 210                 ipc_print_size(unit == IPC_UNIT_DEFAULT ? IPC_UNIT_KB : unit,
 211                                _("max total shared memory"),
 212                                (uint64_t) lim.shmall * getpagesize(), "\n", 0);
 213                 ipc_print_size(unit == IPC_UNIT_DEFAULT ? IPC_UNIT_BYTES : unit,
 214                                _("min seg size"), lim.shmmin, "\n", 0);
 215                 return;
 216         }
 217         case STATUS:
 218         {
 219                 int maxid;
 220                 struct shmid_ds shmbuf;
 221                 struct shm_info *shm_info;
 222
 223                 maxid = shmctl (0, SHM_INFO, &shmbuf);
 224                 shm_info =  (struct shm_info *) &shmbuf;
 225                 if (maxid < 0) {
 226                         printf (_("kernel not configured for shared memory\n"));
 227                         return;
 228                 }
 229
 230                 printf (_("------ Shared Memory Status --------\n"));
 231                 /*
 232                  * TRANSLATORS: This output format is maintained for backward
 233                  * compatibility as ipcs is used in scripts. For consistency
 234                  * with the rest, the translated form can follow this model:
 235                  *
 236                  * "segments allocated = %d\n"
 237                  * "pages allocated = %ld\n"
 238                  * "pages resident = %ld\n"
 239                  * "pages swapped = %ld\n"
 240                  * "swap performance = %ld attempts, %ld successes\n"
 241                  */
 242                 printf (_("segments allocated %d\n"
 243                           "pages allocated %ld\n"
 244                           "pages resident  %ld\n"
 245                           "pages swapped   %ld\n"
 246                           "Swap performance: %ld attempts\t %ld successes\n"),
 247                         shm_info->used_ids,
 248                         shm_info->shm_tot,
 249                         shm_info->shm_rss,
 250                         shm_info->shm_swp,
 251                         shm_info->swap_attempts, shm_info->swap_successes);
 252                 return;
 253         }
 254
 255         /*
 256          * Headers only
 257          */
 258         case CREATOR:
 259                 printf (_("------ Shared Memory Segment Creators/Owners --------\n"));
 260                 printf ("%-10s %-10s %-10s %-10s %-10s %-10s\n",
 261                         _("shmid"),_("perms"),_("cuid"),_("cgid"),_("uid"),_("gid"));
 262                 break;
 263
 264         case TIME:
 265                 printf (_("------ Shared Memory Attach/Detach/Change Times --------\n"));
 266                 printf ("%-10s %-10s %-20s %-20s %-20s\n",
 267                         _("shmid"),_("owner"),_("attached"),_("detached"),
 268                         _("changed"));
 269                 break;
 270
 271         case PID:
 272                 printf (_("------ Shared Memory Creator/Last-op PIDs --------\n"));
 273                 printf ("%-10s %-10s %-10s %-10s\n",
 274                         _("shmid"),_("owner"),_("cpid"),_("lpid"));
 275                 break;
 276
 277         default:
 278                 printf (_("------ Shared Memory Segments --------\n"));
 279                 printf ("%-10s %-10s %-10s %-10s %-10s %-10s %-12s\n",
 280                         _("key"),_("shmid"),_("owner"),_("perms"),
 281                         unit == IPC_UNIT_HUMAN ? _("size") : _("bytes"),
 282                         _("nattch"),_("status"));
 283                 break;
 284         }
 285
 286         /*
 287          * Print data
 288          */
 289         if (ipc_shm_get_info(-1, &shmds) < 1)
 290                 return;
 291
 292         for (shmdsp = shmds; shmdsp->next != NULL; shmdsp = shmdsp->next) {
 293                 if (format == CREATOR)  {
 294                         ipc_print_perms(stdout, &shmdsp->shm_perm);
 295                         continue;
 296                 }
 297                 pw = getpwuid(shmdsp->shm_perm.uid);
 298                 switch (format) {
 299                 case TIME:
 300                         if (pw)
 301                                 printf ("%-10d %-10.10s", shmdsp->shm_perm.id, pw->pw_name);
 302                         else
 303                                 printf ("%-10d %-10u", shmdsp->shm_perm.id, shmdsp->shm_perm.uid);
 304                         /* ctime uses static buffer: use separate calls */
 305                         printf(" %-20.16s", shmdsp->shm_atim
 306                                ? xctime(&shmdsp->shm_atim) + 4 : _("Not set"));
 307                         printf(" %-20.16s", shmdsp->shm_dtim
 308                                ? xctime(&shmdsp->shm_dtim) + 4 : _("Not set"));
 309                         printf(" %-20.16s\n", shmdsp->shm_ctim
 310                                ? xctime(&shmdsp->shm_ctim) + 4 : _("Not set"));
 311                         break;
 312                 case PID:
 313                         if (pw)
 314                                 printf ("%-10d %-10.10s", shmdsp->shm_perm.id, pw->pw_name);
 315                         else
 316                                 printf ("%-10d %-10u", shmdsp->shm_perm.id, shmdsp->shm_perm.uid);
 317                         printf (" %-10u %-10u\n",
 318                                 shmdsp->shm_cprid, shmdsp->shm_lprid);
 319                         break;
 320
 321                 default:
 322                         printf("0x%08x ", shmdsp->shm_perm.key);
 323                         if (pw)
 324                                 printf ("%-10d %-10.10s", shmdsp->shm_perm.id, pw->pw_name);
 325                         else
 326                                 printf ("%-10d %-10u", shmdsp->shm_perm.id, shmdsp->shm_perm.uid);
 327                         printf (" %-10o ", shmdsp->shm_perm.mode & 0777);
 328
 329                         if (unit == IPC_UNIT_HUMAN)
 330                                 ipc_print_size(unit, NULL, shmdsp->shm_segsz, "    ", 6);
 331                         else
 332                                 ipc_print_size(unit, NULL, shmdsp->shm_segsz, NULL, -10);
 333
 334                         printf (" %-10ju %-6s %-6s\n",
 335                                 shmdsp->shm_nattch,
 336                                 shmdsp->shm_perm.mode & SHM_DEST ? _("dest") : " ",
 337                                 shmdsp->shm_perm.mode & SHM_LOCKED ? _("locked") : " ");
 338                         break;
 339                 }
 340         }
 341
 342         ipc_shm_free_info(shmds);
 343         return;
 344 }
 345
 346 static void do_sem (char format)
 347 {
 348         struct passwd *pw;
 349         struct sem_data *semds, *semdsp;
 350
 351         switch (format) {
 352         case LIMITS:
 353         {
 354                 struct ipc_limits lim;
 355
 356                 if (ipc_sem_get_limits(&lim)) {
 357                         printf (_("unable to fetch semaphore limits\n"));
 358                         return;
 359                 }
 360                 printf (_("------ Semaphore Limits --------\n"));
 361                 printf (_("max number of arrays = %d\n"), lim.semmni);
 362                 printf (_("max semaphores per array = %d\n"), lim.semmsl);
 363                 printf (_("max semaphores system wide = %d\n"), lim.semmns);
 364                 printf (_("max ops per semop call = %d\n"), lim.semopm);
 365                 printf (_("semaphore max value = %u\n"), lim.semvmx);
 366                 return;
 367         }
 368         case STATUS:
 369         {
 370                 struct seminfo seminfo;
 371                 union semun arg;
 372                 arg.array = (ushort *)  (void *) &seminfo;
 373                 if (semctl (0, 0, SEM_INFO, arg) < 0) {
 374                         printf (_("kernel not configured for semaphores\n"));
 375                         return;
 376                 }
 377                 printf (_("------ Semaphore Status --------\n"));
 378                 printf (_("used arrays = %d\n"), seminfo.semusz);
 379                 printf (_("allocated semaphores = %d\n"), seminfo.semaem);
 380                 return;
 381         }
 382
 383         case CREATOR:
 384                 printf (_("------ Semaphore Arrays Creators/Owners --------\n"));
 385                 printf ("%-10s %-10s %-10s %-10s %-10s %-10s\n",
 386                         _("semid"),_("perms"),_("cuid"),_("cgid"),_("uid"),_("gid"));
 387                 break;
 388
 389         case TIME:
 390                 printf (_("------ Semaphore Operation/Change Times --------\n"));
 391                 printf ("%-8s %-10s %-26.24s %-26.24s\n",
 392                         _("semid"),_("owner"),_("last-op"),_("last-changed"));
 393                 break;
 394
 395         case PID:
 396                 break;
 397
 398         default:
 399                 printf (_("------ Semaphore Arrays --------\n"));
 400                 printf ("%-10s %-10s %-10s %-10s %-10s\n",
 401                         _("key"),_("semid"),_("owner"),_("perms"),_("nsems"));
 402                 break;
 403         }
 404
 405         /*
 406          * Print data
 407          */
 408         if (ipc_sem_get_info(-1, &semds) < 1)
 409                 return;
 410
 411         for (semdsp = semds; semdsp->next != NULL; semdsp = semdsp->next) {
 412                 if (format == CREATOR)  {
 413                         ipc_print_perms(stdout, &semdsp->sem_perm);
 414                         continue;
 415                 }
 416                 pw = getpwuid(semdsp->sem_perm.uid);
 417                 switch (format) {
 418                 case TIME:
 419                         if (pw)
 420                                 printf ("%-8d %-10.10s", semdsp->sem_perm.id, pw->pw_name);
 421                         else
 422                                 printf ("%-8d %-10u", semdsp->sem_perm.id, semdsp->sem_perm.uid);
 423                         printf ("  %-26.24s", semdsp->sem_otime
 424                                 ? xctime(&semdsp->sem_otime) : _("Not set"));
 425                         printf (" %-26.24s\n", semdsp->sem_ctime
 426                                 ? xctime( &semdsp->sem_ctime) : _("Not set"));
 427                         break;
 428                 case PID:
 429                         break;
 430
 431                 default:
 432                         printf("0x%08x ", semdsp->sem_perm.key);
 433                         if (pw)
 434                                 printf ("%-10d %-10.10s", semdsp->sem_perm.id, pw->pw_name);
 435                         else
 436                                 printf ("%-10d %-10u", semdsp->sem_perm.id, semdsp->sem_perm.uid);
 437                         printf (" %-10o %-10ju\n",
 438                                 semdsp->sem_perm.mode & 0777,
 439                                 semdsp->sem_nsems);
 440                         break;
 441                 }
 442         }
 443
 444         ipc_sem_free_info(semds);
 445         return;
 446 }
 447
 448 static void do_msg (char format, int unit)
 449 {
 450         struct passwd *pw;
 451         struct msg_data *msgds, *msgdsp;
 452
 453         switch (format) {
 454         case LIMITS:
 455         {
 456                 struct ipc_limits lim;
 457
 458                 if (ipc_msg_get_limits(&lim)) {
 459                         printf (_("unable to fetch message limits\n"));
 460                         return;
 461                 }
 462                 printf (_("------ Messages Limits --------\n"));
 463                 printf (_("max queues system wide = %d\n"), lim.msgmni);
 464                 ipc_print_size(unit == IPC_UNIT_DEFAULT ? IPC_UNIT_BYTES : unit,
 465                                _("max size of message"), lim.msgmax, "\n", 0);
 466                 ipc_print_size(unit == IPC_UNIT_DEFAULT ? IPC_UNIT_BYTES : unit,
 467                                _("default max size of queue"), lim.msgmnb, "\n", 0);
 468                 return;
 469         }
 470         case STATUS:
 471         {
 472                 struct msginfo msginfo;
 473                 if (msgctl (0, MSG_INFO, (struct msqid_ds *) (void *) &msginfo) < 0) {
 474                         printf (_("kernel not configured for message queues\n"));
 475                         return;
 476                 }
 477                 printf (_("------ Messages Status --------\n"));
 478 #ifndef __FreeBSD_kernel__
 479                 printf (_("allocated queues = %d\n"), msginfo.msgpool);
 480                 printf (_("used headers = %d\n"), msginfo.msgmap);
 481 #endif
 482                 ipc_print_size(unit, _("used space"), msginfo.msgtql,
 483                                unit == IPC_UNIT_DEFAULT ? _(" bytes\n") : "\n", 0);
 484                 return;
 485         }
 486         case CREATOR:
 487                 printf (_("------ Message Queues Creators/Owners --------\n"));
 488                 printf ("%-10s %-10s %-10s %-10s %-10s %-10s\n",
 489                         _("msqid"),_("perms"),_("cuid"),_("cgid"),_("uid"),_("gid"));
 490                 break;
 491
 492         case TIME:
 493                 printf (_("------ Message Queues Send/Recv/Change Times --------\n"));
 494                 printf ("%-8s %-10s %-20s %-20s %-20s\n",
 495                         _("msqid"),_("owner"),_("send"),_("recv"),_("change"));
 496                 break;
 497
 498         case PID:
 499                 printf (_("------ Message Queues PIDs --------\n"));
 500                 printf ("%-10s %-10s %-10s %-10s\n",
 501                         _("msqid"),_("owner"),_("lspid"),_("lrpid"));
 502                 break;
 503
 504         default:
 505                 printf (_("------ Message Queues --------\n"));
 506                 printf ("%-10s %-10s %-10s %-10s %-12s %-12s\n",
 507                         _("key"), _("msqid"), _("owner"), _("perms"),
 508                         unit == IPC_UNIT_HUMAN ? _("size") : _("used-bytes"),
 509                         _("messages"));
 510                 break;
 511         }
 512
 513         /*
 514          * Print data
 515          */
 516         if (ipc_msg_get_info(-1, &msgds) < 1)
 517                 return;
 518
 519         for (msgdsp = msgds; msgdsp->next != NULL; msgdsp = msgdsp->next) {
 520                 if (format == CREATOR) {
 521                         ipc_print_perms(stdout, &msgdsp->msg_perm);
 522                         continue;
 523                 }
 524                 pw = getpwuid(msgdsp->msg_perm.uid);
 525                 switch (format) {
 526                 case TIME:
 527                         if (pw)
 528                                 printf ("%-8d %-10.10s", msgdsp->msg_perm.id, pw->pw_name);
 529                         else
 530                                 printf ("%-8d %-10u", msgdsp->msg_perm.id, msgdsp->msg_perm.uid);
 531                         printf (" %-20.16s", msgdsp->q_stime
 532                                 ? xctime(&msgdsp->q_stime) + 4 : _("Not set"));
 533                         printf (" %-20.16s", msgdsp->q_rtime
 534                                 ? xctime(&msgdsp->q_rtime) + 4 : _("Not set"));
 535                         printf (" %-20.16s\n", msgdsp->q_ctime
 536                                 ? xctime(&msgdsp->q_ctime) + 4 : _("Not set"));
 537                         break;
 538                 case PID:
 539                         if (pw)
 540                                 printf ("%-8d %-10.10s", msgdsp->msg_perm.id, pw->pw_name);
 541                         else
 542                                 printf ("%-8d %-10u", msgdsp->msg_perm.id, msgdsp->msg_perm.uid);
 543                         printf ("  %5d     %5d\n",
 544                                 msgdsp->q_lspid, msgdsp->q_lrpid);
 545                         break;
 546
 547                 default:
 548                         printf( "0x%08x ",msgdsp->msg_perm.key );
 549                         if (pw)
 550                                 printf ("%-10d %-10.10s", msgdsp->msg_perm.id, pw->pw_name);
 551                         else
 552                                 printf ("%-10d %-10u", msgdsp->msg_perm.id, msgdsp->msg_perm.uid);
 553                         printf (" %-10o ", msgdsp->msg_perm.mode & 0777);
 554
 555                         if (unit == IPC_UNIT_HUMAN)
 556                                 ipc_print_size(unit, NULL, msgdsp->q_cbytes, "      ", 6);
 557                         else
 558                                 ipc_print_size(unit, NULL, msgdsp->q_cbytes, NULL, -12);
 559
 560                         printf (" %-12ju\n", msgdsp->q_qnum);
 561                         break;
 562                 }
 563         }
 564
 565         ipc_msg_free_info(msgds);
 566         return;
 567 }
 568
 569 static void print_shm(int shmid, int unit)
 570 {
 571         struct shm_data *shmdata;
 572
 573         if (ipc_shm_get_info(shmid, &shmdata) < 1) {
 574                 warnx(_("id %d not found"), shmid);
 575                 return;
 576         }
 577
 578         printf(_("\nShared memory Segment shmid=%d\n"), shmid);
 579         printf(_("uid=%u\tgid=%u\tcuid=%u\tcgid=%u\n"),
 580                shmdata->shm_perm.uid, shmdata->shm_perm.gid,
 581                shmdata->shm_perm.cuid, shmdata->shm_perm.cgid);
 582         printf(_("mode=%#o\taccess_perms=%#o\n"), shmdata->shm_perm.mode,
 583                shmdata->shm_perm.mode & 0777);
 584         ipc_print_size(unit, unit == IPC_UNIT_HUMAN ? _("size=") : _("bytes="),
 585                        shmdata->shm_segsz, "\t", 0);
 586         printf(_("lpid=%u\tcpid=%u\tnattch=%jd\n"),
 587                shmdata->shm_lprid, shmdata->shm_cprid,
 588                shmdata->shm_nattch);
 589         printf(_("att_time=%-26.24s\n"),
 590                shmdata->shm_atim ? xctime(&(shmdata->shm_atim)) : _("Not set"));
 591         printf(_("det_time=%-26.24s\n"),
 592                shmdata->shm_dtim ? xctime(&shmdata->shm_dtim) : _("Not set"));
 593         printf(_("change_time=%-26.24s\n"), xctime(&shmdata->shm_ctim));
 594         printf("\n");
 595
 596         ipc_shm_free_info(shmdata);
 597 }
 598
 599 static void print_msg(int msgid, int unit)
 600 {
 601         struct msg_data *msgdata;
 602
 603         if (ipc_msg_get_info(msgid, &msgdata) < 1) {
 604                 warnx(_("id %d not found"), msgid);
 605                 return;
 606         }
 607
 608         printf(_("\nMessage Queue msqid=%d\n"), msgid);
 609         printf(_("uid=%u\tgid=%u\tcuid=%u\tcgid=%u\tmode=%#o\n"),
 610                msgdata->msg_perm.uid, msgdata->msg_perm.gid,
 611                msgdata->msg_perm.cuid, msgdata->msg_perm.cgid,
 612                msgdata->msg_perm.mode);
 613         ipc_print_size(unit, unit == IPC_UNIT_HUMAN ? _("csize=") : _("cbytes="),
 614                        msgdata->q_cbytes, "\t", 0);
 615         ipc_print_size(unit, unit == IPC_UNIT_HUMAN ? _("qsize=") : _("qbytes="),
 616                        msgdata->q_qbytes, "\t", 0);
 617         printf("qnum=%jd\tlspid=%d\tlrpid=%d\n",
 618                msgdata->q_qnum,
 619                msgdata->q_lspid, msgdata->q_lrpid);
 620         printf(_("send_time=%-26.24s\n"),
 621                msgdata->q_stime ? xctime(&msgdata->q_stime) : _("Not set"));
 622         printf(_("rcv_time=%-26.24s\n"),
 623                msgdata->q_rtime ? xctime(&msgdata->q_rtime) : _("Not set"));
 624         printf(_("change_time=%-26.24s\n"),
 625                msgdata->q_ctime ? xctime(&msgdata->q_ctime) : _("Not set"));
 626         printf("\n");
 627
 628         ipc_msg_free_info(msgdata);
 629 }
 630
 631 static void print_sem(int semid)
 632 {
 633         struct sem_data *semdata;
 634         size_t i;
 635
 636         if (ipc_sem_get_info(semid, &semdata) < 1) {
 637                 warnx(_("id %d not found"), semid);
 638                 return;
 639         }
 640
 641         printf(_("\nSemaphore Array semid=%d\n"), semid);
 642         printf(_("uid=%u\t gid=%u\t cuid=%u\t cgid=%u\n"),
 643                semdata->sem_perm.uid, semdata->sem_perm.gid,
 644                semdata->sem_perm.cuid, semdata->sem_perm.cgid);
 645         printf(_("mode=%#o, access_perms=%#o\n"),
 646                semdata->sem_perm.mode, semdata->sem_perm.mode & 0777);
 647         printf(_("nsems = %ju\n"), semdata->sem_nsems);
 648         printf(_("otime = %-26.24s\n"),
 649                semdata->sem_otime ? xctime(&semdata->sem_otime) : _("Not set"));
 650         printf(_("ctime = %-26.24s\n"), xctime(&semdata->sem_ctime));
 651
 652         printf("%-10s %-10s %-10s %-10s %-10s\n",
 653                _("semnum"), _("value"), _("ncount"), _("zcount"), _("pid"));
 654
 655         for (i = 0; i < semdata->sem_nsems; i++) {
 656                 struct sem_elem *e = &semdata->elements[i];
 657                 printf("%-10zu %-10d %-10d %-10d %-10d\n",
 658                        i, e->semval, e->ncount, e->zcount, e->pid);
 659         }
 660         printf("\n");
 661         ipc_sem_free_info(semdata);
 662 }