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