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 <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         fprintf(out, USAGE_SEPARATOR);
  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         fprintf(out, USAGE_SEPARATOR);
  66         fputs(_("Output format:\n"), out);
  67         fputs(_(" -t, --time        show attach, detach and change times\n"), out);
  68         fputs(_(" -p, --pid         show PIDs of creator and last operator\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                                (uint64_t) 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
 282         for (shmdsp = shmds; shmdsp->next != NULL; shmdsp = shmdsp->next) {
 283                 if (format == CREATOR)  {
 284                         ipc_print_perms(stdout, &shmdsp->shm_perm);
 285                         continue;
 286                 }
 287                 pw = getpwuid(shmdsp->shm_perm.uid);
 288                 switch (format) {
 289                 case TIME:
 290                         if (pw)
 291                                 printf ("%-10d %-10.10s", shmdsp->shm_perm.id, pw->pw_name);
 292                         else
 293                                 printf ("%-10d %-10u", shmdsp->shm_perm.id, shmdsp->shm_perm.uid);
 294                         /* ctime uses static buffer: use separate calls */
 295                         printf(" %-20.16s", shmdsp->shm_atim
 296                                ? xctime(&shmdsp->shm_atim) + 4 : _("Not set"));
 297                         printf(" %-20.16s", shmdsp->shm_dtim
 298                                ? xctime(&shmdsp->shm_dtim) + 4 : _("Not set"));
 299                         printf(" %-20.16s\n", shmdsp->shm_ctim
 300                                ? xctime(&shmdsp->shm_ctim) + 4 : _("Not set"));
 301                         break;
 302                 case PID:
 303                         if (pw)
 304                                 printf ("%-10d %-10.10s", shmdsp->shm_perm.id, pw->pw_name);
 305                         else
 306                                 printf ("%-10d %-10u", shmdsp->shm_perm.id, shmdsp->shm_perm.uid);
 307                         printf (" %-10u %-10u\n",
 308                                 shmdsp->shm_cprid, shmdsp->shm_lprid);
 309                         break;
 310
 311                 default:
 312                         printf("0x%08x ", shmdsp->shm_perm.key);
 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 (" %-10o ", shmdsp->shm_perm.mode & 0777);
 318
 319                         if (unit == IPC_UNIT_HUMAN)
 320                                 ipc_print_size(unit, NULL, shmdsp->shm_segsz, "    ", 6);
 321                         else
 322                                 ipc_print_size(unit, NULL, shmdsp->shm_segsz, NULL, -10);
 323
 324                         printf (" %-10ju %-6s %-6s\n",
 325                                 shmdsp->shm_nattch,
 326                                 shmdsp->shm_perm.mode & SHM_DEST ? _("dest") : " ",
 327                                 shmdsp->shm_perm.mode & SHM_LOCKED ? _("locked") : " ");
 328                         break;
 329                 }
 330         }
 331
 332         ipc_shm_free_info(shmds);
 333         return;
 334 }
 335
 336 static void do_sem (char format)
 337 {
 338         struct passwd *pw;
 339         struct sem_data *semds, *semdsp;
 340
 341         switch (format) {
 342         case LIMITS:
 343         {
 344                 struct ipc_limits lim;
 345
 346                 printf (_("------ Semaphore Limits --------\n"));
 347                 if (ipc_sem_get_limits(&lim))
 348                         return;
 349                 printf (_("max number of arrays = %d\n"), lim.semmni);
 350                 printf (_("max semaphores per array = %d\n"), lim.semmsl);
 351                 printf (_("max semaphores system wide = %d\n"), lim.semmns);
 352                 printf (_("max ops per semop call = %d\n"), lim.semopm);
 353                 printf (_("semaphore max value = %d\n"), lim.semvmx);
 354                 return;
 355         }
 356         case STATUS:
 357         {
 358                 struct seminfo seminfo;
 359                 union semun arg;
 360                 arg.array = (ushort *)  (void *) &seminfo;
 361                 if (semctl (0, 0, SEM_INFO, arg) < 0) {
 362                         printf (_("kernel not configured for semaphores\n"));
 363                         return;
 364                 }
 365                 printf (_("------ Semaphore Status --------\n"));
 366                 printf (_("used arrays = %d\n"), seminfo.semusz);
 367                 printf (_("allocated semaphores = %d\n"), seminfo.semaem);
 368                 return;
 369         }
 370
 371         case CREATOR:
 372                 printf (_("------ Semaphore Arrays Creators/Owners --------\n"));
 373                 printf ("%-10s %-10s %-10s %-10s %-10s %-10s\n",
 374                         _("semid"),_("perms"),_("cuid"),_("cgid"),_("uid"),_("gid"));
 375                 break;
 376
 377         case TIME:
 378                 printf (_("------ Semaphore Operation/Change Times --------\n"));
 379                 printf ("%-8s %-10s %-26.24s %-26.24s\n",
 380                         _("semid"),_("owner"),_("last-op"),_("last-changed"));
 381                 break;
 382
 383         case PID:
 384                 break;
 385
 386         default:
 387                 printf (_("------ Semaphore Arrays --------\n"));
 388                 printf ("%-10s %-10s %-10s %-10s %-10s\n",
 389                         _("key"),_("semid"),_("owner"),_("perms"),_("nsems"));
 390                 break;
 391         }
 392
 393         /*
 394          * Print data
 395          */
 396         if (ipc_sem_get_info(-1, &semds) < 1)
 397                 return;
 398
 399         for (semdsp = semds; semdsp->next != NULL; semdsp = semdsp->next) {
 400                 if (format == CREATOR)  {
 401                         ipc_print_perms(stdout, &semdsp->sem_perm);
 402                         continue;
 403                 }
 404                 pw = getpwuid(semdsp->sem_perm.uid);
 405                 switch (format) {
 406                 case TIME:
 407                         if (pw)
 408                                 printf ("%-8d %-10.10s", semdsp->sem_perm.id, pw->pw_name);
 409                         else
 410                                 printf ("%-8d %-10u", semdsp->sem_perm.id, semdsp->sem_perm.uid);
 411                         printf ("  %-26.24s", semdsp->sem_otime
 412                                 ? xctime(&semdsp->sem_otime) : _("Not set"));
 413                         printf (" %-26.24s\n", semdsp->sem_ctime
 414                                 ? xctime( &semdsp->sem_ctime) : _("Not set"));
 415                         break;
 416                 case PID:
 417                         break;
 418
 419                 default:
 420                         printf("0x%08x ", semdsp->sem_perm.key);
 421                         if (pw)
 422                                 printf ("%-10d %-10.10s", semdsp->sem_perm.id, pw->pw_name);
 423                         else
 424                                 printf ("%-10d %-10u", semdsp->sem_perm.id, semdsp->sem_perm.uid);
 425                         printf (" %-10o %-10ju\n",
 426                                 semdsp->sem_perm.mode & 0777,
 427                                 semdsp->sem_nsems);
 428                         break;
 429                 }
 430         }
 431
 432         ipc_sem_free_info(semds);
 433         return;
 434 }
 435
 436 static void do_msg (char format, int unit)
 437 {
 438         struct passwd *pw;
 439         struct msg_data *msgds, *msgdsp;
 440
 441         switch (format) {
 442         case LIMITS:
 443         {
 444                 struct ipc_limits lim;
 445
 446                 if (ipc_msg_get_limits(&lim))
 447                         return;
 448                 printf (_("------ Messages Limits --------\n"));
 449                 printf (_("max queues system wide = %d\n"), lim.msgmni);
 450                 ipc_print_size(unit == IPC_UNIT_DEFAULT ? IPC_UNIT_BYTES : unit,
 451                                _("max size of message"), lim.msgmax, "\n", 0);
 452                 ipc_print_size(unit == IPC_UNIT_DEFAULT ? IPC_UNIT_BYTES : unit,
 453                                _("default max size of queue"), lim.msgmnb, "\n", 0);
 454                 return;
 455         }
 456         case STATUS:
 457         {
 458                 struct msginfo msginfo;
 459                 if (msgctl (0, MSG_INFO, (struct msqid_ds *) (void *) &msginfo) < 0) {
 460                         printf (_("kernel not configured for message queues\n"));
 461                         return;
 462                 }
 463                 printf (_("------ Messages Status --------\n"));
 464                 printf (_("allocated queues = %d\n"), msginfo.msgpool);
 465                 printf (_("used headers = %d\n"), msginfo.msgmap);
 466                 ipc_print_size(unit, _("used space"), msginfo.msgtql,
 467                                unit == IPC_UNIT_DEFAULT ? _(" bytes\n") : "\n", 0);
 468                 return;
 469         }
 470         case CREATOR:
 471                 printf (_("------ Message Queues Creators/Owners --------\n"));
 472                 printf ("%-10s %-10s %-10s %-10s %-10s %-10s\n",
 473                         _("msqid"),_("perms"),_("cuid"),_("cgid"),_("uid"),_("gid"));
 474                 break;
 475
 476         case TIME:
 477                 printf (_("------ Message Queues Send/Recv/Change Times --------\n"));
 478                 printf ("%-8s %-10s %-20s %-20s %-20s\n",
 479                         _("msqid"),_("owner"),_("send"),_("recv"),_("change"));
 480                 break;
 481
 482         case PID:
 483                 printf (_("------ Message Queues PIDs --------\n"));
 484                 printf ("%-10s %-10s %-10s %-10s\n",
 485                         _("msqid"),_("owner"),_("lspid"),_("lrpid"));
 486                 break;
 487
 488         default:
 489                 printf (_("------ Message Queues --------\n"));
 490                 printf ("%-10s %-10s %-10s %-10s %-12s %-12s\n",
 491                         _("key"), _("msqid"), _("owner"), _("perms"),
 492                         unit == IPC_UNIT_HUMAN ? _("size") : _("used-bytes"),
 493                         _("messages"));
 494                 break;
 495         }
 496
 497         /*
 498          * Print data
 499          */
 500         if (ipc_msg_get_info(-1, &msgds) < 1)
 501                 return;
 502
 503         for (msgdsp = msgds; msgdsp->next != NULL; msgdsp = msgdsp->next) {
 504                 if (format == CREATOR) {
 505                         ipc_print_perms(stdout, &msgdsp->msg_perm);
 506                         continue;
 507                 }
 508                 pw = getpwuid(msgdsp->msg_perm.uid);
 509                 switch (format) {
 510                 case TIME:
 511                         if (pw)
 512                                 printf ("%-8d %-10.10s", msgdsp->msg_perm.id, pw->pw_name);
 513                         else
 514                                 printf ("%-8d %-10u", msgdsp->msg_perm.id, msgdsp->msg_perm.uid);
 515                         printf (" %-20.16s", msgdsp->q_stime
 516                                 ? xctime(&msgdsp->q_stime) + 4 : _("Not set"));
 517                         printf (" %-20.16s", msgdsp->q_rtime
 518                                 ? xctime(&msgdsp->q_rtime) + 4 : _("Not set"));
 519                         printf (" %-20.16s\n", msgdsp->q_ctime
 520                                 ? xctime(&msgdsp->q_ctime) + 4 : _("Not set"));
 521                         break;
 522                 case PID:
 523                         if (pw)
 524                                 printf ("%-8d %-10.10s", msgdsp->msg_perm.id, pw->pw_name);
 525                         else
 526                                 printf ("%-8d %-10u", msgdsp->msg_perm.id, msgdsp->msg_perm.uid);
 527                         printf ("  %5d     %5d\n",
 528                                 msgdsp->q_lspid, msgdsp->q_lrpid);
 529                         break;
 530
 531                 default:
 532                         printf( "0x%08x ",msgdsp->msg_perm.key );
 533                         if (pw)
 534                                 printf ("%-10d %-10.10s", msgdsp->msg_perm.id, pw->pw_name);
 535                         else
 536                                 printf ("%-10d %-10u", msgdsp->msg_perm.id, msgdsp->msg_perm.uid);
 537                         printf (" %-10o ", msgdsp->msg_perm.mode & 0777);
 538
 539                         if (unit == IPC_UNIT_HUMAN)
 540                                 ipc_print_size(unit, NULL, msgdsp->q_cbytes, "      ", 6);
 541                         else
 542                                 ipc_print_size(unit, NULL, msgdsp->q_cbytes, NULL, -12);
 543
 544                         printf (" %-12ju\n", msgdsp->q_qnum);
 545                         break;
 546                 }
 547         }
 548
 549         ipc_msg_free_info(msgds);
 550         return;
 551 }
 552
 553 static void print_shm(int shmid, int unit)
 554 {
 555         struct shm_data *shmdata;
 556
 557         if (ipc_shm_get_info(shmid, &shmdata) < 1) {
 558                 warnx(_("id %d not found"), shmid);
 559                 return;
 560         }
 561
 562         printf(_("\nShared memory Segment shmid=%d\n"), shmid);
 563         printf(_("uid=%u\tgid=%u\tcuid=%u\tcgid=%u\n"),
 564                shmdata->shm_perm.uid, shmdata->shm_perm.uid,
 565                shmdata->shm_perm.cuid, shmdata->shm_perm.cgid);
 566         printf(_("mode=%#o\taccess_perms=%#o\n"), shmdata->shm_perm.mode,
 567                shmdata->shm_perm.mode & 0777);
 568         ipc_print_size(unit, unit == IPC_UNIT_HUMAN ? _("size=") : _("bytes="),
 569                        shmdata->shm_segsz, "\t", 0);
 570         printf(_("lpid=%u\tcpid=%u\tnattch=%jd\n"),
 571                shmdata->shm_lprid, shmdata->shm_cprid,
 572                shmdata->shm_nattch);
 573         printf(_("att_time=%-26.24s\n"),
 574                shmdata->shm_atim ? xctime(&(shmdata->shm_atim)) : _("Not set"));
 575         printf(_("det_time=%-26.24s\n"),
 576                shmdata->shm_dtim ? xctime(&shmdata->shm_dtim) : _("Not set"));
 577         printf(_("change_time=%-26.24s\n"), xctime(&shmdata->shm_ctim));
 578         printf("\n");
 579
 580         ipc_shm_free_info(shmdata);
 581 }
 582
 583 void print_msg(int msgid, int unit)
 584 {
 585         struct msg_data *msgdata;
 586
 587         if (ipc_msg_get_info(msgid, &msgdata) < 1) {
 588                 warnx(_("id %d not found"), msgid);
 589                 return;
 590         }
 591
 592         printf(_("\nMessage Queue msqid=%d\n"), msgid);
 593         printf(_("uid=%u\tgid=%u\tcuid=%u\tcgid=%u\tmode=%#o\n"),
 594                msgdata->msg_perm.uid, msgdata->msg_perm.uid,
 595                msgdata->msg_perm.cuid, msgdata->msg_perm.cgid,
 596                msgdata->msg_perm.mode);
 597         ipc_print_size(unit, unit == IPC_UNIT_HUMAN ? _("csize=") : _("cbytes="),
 598                        msgdata->q_cbytes, "\t", 0);
 599         ipc_print_size(unit, unit == IPC_UNIT_HUMAN ? _("qsize=") : _("qbytes="),
 600                        msgdata->q_qbytes, "\t", 0);
 601         printf("qnum=%jd\tlspid=%d\tlrpid=%d\n",
 602                msgdata->q_qnum,
 603                msgdata->q_lspid, msgdata->q_lrpid);
 604         printf(_("send_time=%-26.24s\n"),
 605                msgdata->q_stime ? xctime(&msgdata->q_stime) : _("Not set"));
 606         printf(_("rcv_time=%-26.24s\n"),
 607                msgdata->q_rtime ? xctime(&msgdata->q_rtime) : _("Not set"));
 608         printf(_("change_time=%-26.24s\n"),
 609                msgdata->q_ctime ? xctime(&msgdata->q_ctime) : _("Not set"));
 610         printf("\n");
 611
 612         ipc_msg_free_info(msgdata);
 613 }
 614
 615 static void print_sem(int semid)
 616 {
 617         struct sem_data *semdata;
 618         size_t i;
 619
 620         if (ipc_sem_get_info(semid, &semdata) < 1) {
 621                 warnx(_("id %d not found"), semid);
 622                 return;
 623         }
 624
 625         printf(_("\nSemaphore Array semid=%d\n"), semid);
 626         printf(_("uid=%u\t gid=%u\t cuid=%u\t cgid=%u\n"),
 627                semdata->sem_perm.uid, semdata->sem_perm.uid,
 628                semdata->sem_perm.cuid, semdata->sem_perm.cgid);
 629         printf(_("mode=%#o, access_perms=%#o\n"),
 630                semdata->sem_perm.mode, semdata->sem_perm.mode & 0777);
 631         printf(_("nsems = %ju\n"), semdata->sem_nsems);
 632         printf(_("otime = %-26.24s\n"),
 633                semdata->sem_otime ? xctime(&semdata->sem_otime) : _("Not set"));
 634         printf(_("ctime = %-26.24s\n"), xctime(&semdata->sem_ctime));
 635
 636         printf("%-10s %-10s %-10s %-10s %-10s\n",
 637                _("semnum"), _("value"), _("ncount"), _("zcount"), _("pid"));
 638
 639         for (i = 0; i < semdata->sem_nsems; i++) {
 640                 struct sem_elem *e = &semdata->elements[i];
 641                 printf("%-10zd %-10d %-10d %-10d %-10d\n",
 642                        i, e->semval, e->ncount, e->zcount, e->pid);
 643         }
 644         printf("\n");
 645         ipc_sem_free_info(semdata);
 646 }