/* Original author unknown, may be "krishna balasub@cis.ohio-state.edu" */
/*
+ * Modified Sat Oct 9 10:55:28 1993 for 0.99.13
+ *
+ * Patches from Mike Jagdis (jaggy@purplet.demon.co.uk) applied Wed Feb 8
+ * 12:12:21 1995 by faith@cs.unc.edu to print numeric uids if no passwd file
+ * entry.
+ *
+ * Patch from arnolds@ifns.de (Heinz-Ado Arnolds) applied Mon Jul 1 19:30:41
+ * 1996 by janl@math.uio.no to add code missing in case PID: clauses.
+ *
+ * Patched to display the key field -- hy@picksys.com 12/18/96
+ *
+ * 1999-02-22 Arkadiusz Miśkiewicz <misiek@pld.ORG.PL>
+ * - added Native Language Support
+ */
- Modified Sat Oct 9 10:55:28 1993 for 0.99.13
-
- Patches from Mike Jagdis (jaggy@purplet.demon.co.uk) applied Wed Feb
- 8 12:12:21 1995 by faith@cs.unc.edu to print numeric uids if no
- passwd file entry.
-
- Patch from arnolds@ifns.de (Heinz-Ado Arnolds) applied Mon Jul 1
- 19:30:41 1996 by janl@math.uio.no to add code missing in case PID:
- clauses.
-
- Patched to display the key field -- hy@picksys.com 12/18/96
-
- 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@pld.ORG.PL>
- - added Native Language Support
-
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <getopt.h>
#include <errno.h>
-#include <time.h>
-#include <pwd.h>
-#include <grp.h>
-#include <unistd.h>
-#include <err.h>
-#include <sys/types.h>
-#include <sys/ipc.h>
-#include <sys/sem.h>
-#include <sys/msg.h>
-#include <sys/shm.h>
+#include <getopt.h>
+#include "c.h"
#include "nls.h"
+#include "closestream.h"
-/*-------------------------------------------------------------------*/
-/* SHM_DEST and SHM_LOCKED are defined in kernel headers,
- but inside #ifdef __KERNEL__ ... #endif */
-#ifndef SHM_DEST
-/* shm_mode upper byte flags */
-#define SHM_DEST 01000 /* segment will be destroyed on last detach */
-#define SHM_LOCKED 02000 /* segment will not be swapped */
-#endif
-
-/* For older kernels the same holds for the defines below */
-#ifndef MSG_STAT
-#define MSG_STAT 11
-#define MSG_INFO 12
-#endif
+#include "ipcutils.h"
-#ifndef SHM_STAT
-#define SHM_STAT 13
-#define SHM_INFO 14
-struct shm_info {
- int used_ids;
- ulong shm_tot; /* total allocated shm */
- ulong shm_rss; /* total resident shm */
- ulong shm_swp; /* total swapped shm */
- ulong swap_attempts;
- ulong swap_successes;
+enum output_formats {
+ NOTSPECIFIED,
+ LIMITS,
+ STATUS,
+ CREATOR,
+ TIME,
+ PID
};
-#endif
-
-#ifndef SEM_STAT
-#define SEM_STAT 18
-#define SEM_INFO 19
-#endif
-
-/* Some versions of libc only define IPC_INFO when __USE_GNU is defined. */
-#ifndef IPC_INFO
-#define IPC_INFO 3
-#endif
-/*-------------------------------------------------------------------*/
-
-/* The last arg of semctl is a union semun, but where is it defined?
- X/OPEN tells us to define it ourselves, but until recently
- Linux include files would also define it. */
-#ifndef HAVE_UNION_SEMUN
-/* according to X/OPEN we have to define it ourselves */
-union semun {
- int val;
- struct semid_ds *buf;
- unsigned short int *array;
- struct seminfo *__buf;
+enum {
+ OPT_HUMAN = CHAR_MAX + 1
};
-#endif
-/* X/OPEN (Jan 1987) does not define fields key, seq in struct ipc_perm;
- glibc-1.09 has no support for sysv ipc.
- glibc 2 uses __key, __seq */
-#if defined (__GLIBC__) && __GLIBC__ >= 2
-#define KEY __key
-#else
-#define KEY key
-#endif
+static void do_shm (char format, int unit);
+static void print_shm (int id, int unit);
+static void do_sem (char format);
+static void print_sem (int id);
+static void do_msg (char format, int unit);
+static void print_msg (int id, int unit);
-#define LIMITS 1
-#define STATUS 2
-#define CREATOR 3
-#define TIME 4
-#define PID 5
-
-void do_shm (char format);
-void do_sem (char format);
-void do_msg (char format);
-void print_shm (int id);
-void print_msg (int id);
-void print_sem (int id);
-
-static void
-usage(int rc) {
- printf (_("Usage: %1$s [-asmq] [-t|-c|-l|-u|-p]\n"
- " %1$s [-s|-m|-q] -i id\n"
- " %1$s -h for help\n"),
- program_invocation_short_name);
- exit(rc);
-}
+/* we read time as int64_t from /proc, so cast... */
+#define xctime(_x) ctime((time_t *) (_x))
-static void
-help (int rc) {
- printf (_("Usage: %1$s [resource]... [output-format]\n"
- " %1$s [resource] -i id\n\n"),
- program_invocation_short_name);
-
- printf (_("Provide information on IPC facilities for which you "
- "have read access.\n\n"));
-
- printf (_(
- " -h display this help\n"
- " -i id print details on resource identified by id\n\n"));
-
- printf (_("Resource options:\n"
- " -m shared memory segments\n"
- " -q message queues\n"
- " -s semaphores\n"
- " -a all (default)\n\n"));
-
- printf (_("Output format:\n"
- " -t time\n"
- " -p pid\n"
- " -c creator\n"
- " -l limits\n"
- " -u summary\n"));
- exit(rc);
+static void __attribute__((__noreturn__)) usage(void)
+{
+ FILE *out = stdout;
+ fputs(USAGE_HEADER, out);
+ fprintf(out, _(" %1$s [resource-option...] [output-option]\n"
+ " %1$s -m|-q|-s -i <id>\n"), program_invocation_short_name);
+
+ fputs(USAGE_SEPARATOR, out);
+ fputs(_("Show information on IPC facilities.\n"), out);
+
+ fputs(USAGE_OPTIONS, out);
+ fputs(_(" -i, --id <id> print details on resource identified by <id>\n"), out);
+ printf(USAGE_HELP_OPTIONS(16));
+
+ fputs(USAGE_SEPARATOR, out);
+ fputs(_("Resource options:\n"), out);
+ fputs(_(" -m, --shmems shared memory segments\n"), out);
+ fputs(_(" -q, --queues message queues\n"), out);
+ fputs(_(" -s, --semaphores semaphores\n"), out);
+ fputs(_(" -a, --all all (default)\n"), out);
+
+ fputs(USAGE_SEPARATOR, out);
+ fputs(_("Output options:\n"), out);
+ fputs(_(" -t, --time show attach, detach and change times\n"), out);
+ fputs(_(" -p, --pid show PIDs of creator and last operator\n"), out);
+ fputs(_(" -c, --creator show creator and owner\n"), out);
+ fputs(_(" -l, --limits show resource limits\n"), out);
+ fputs(_(" -u, --summary show status summary\n"), out);
+ fputs(_(" --human show sizes in human-readable format\n"), out);
+ fputs(_(" -b, --bytes show sizes in bytes\n"), out);
+ printf(USAGE_MAN_TAIL("ipcs(1)"));
+
+ exit(EXIT_SUCCESS);
}
-int
-main (int argc, char **argv) {
- int opt, msg = 0, sem = 0, shm = 0, id=0, print=0;
- char format = 0;
- char options[] = "atcluphsmqi:";
+int main (int argc, char **argv)
+{
+ int opt, msg = 0, shm = 0, sem = 0, id = 0, specific = 0;
+ char format = NOTSPECIFIED;
+ int unit = IPC_UNIT_DEFAULT;
+ static const struct option longopts[] = {
+ {"id", required_argument, NULL, 'i'},
+ {"queues", no_argument, NULL, 'q'},
+ {"shmems", no_argument, NULL, 'm'},
+ {"semaphores", no_argument, NULL, 's'},
+ {"all", no_argument, NULL, 'a'},
+ {"time", no_argument, NULL, 't'},
+ {"pid", no_argument, NULL, 'p'},
+ {"creator", no_argument, NULL, 'c'},
+ {"limits", no_argument, NULL, 'l'},
+ {"summary", no_argument, NULL, 'u'},
+ {"human", no_argument, NULL, OPT_HUMAN},
+ {"bytes", no_argument, NULL, 'b'},
+ {"version", no_argument, NULL, 'V'},
+ {"help", no_argument, NULL, 'h'},
+ {NULL, 0, NULL, 0}
+ };
+ char options[] = "i:qmsatpclubVh";
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
+ close_stdout_atexit();
- while ((opt = getopt (argc, argv, options)) != -1) {
+ while ((opt = getopt_long(argc, argv, options, longopts, NULL)) != -1) {
switch (opt) {
case 'i':
id = atoi (optarg);
- print = 1;
+ specific = 1;
break;
case 'a':
msg = shm = sem = 1;
case 'q':
msg = 1;
break;
- case 's':
- sem = 1;
- break;
case 'm':
shm = 1;
break;
+ case 's':
+ sem = 1;
+ break;
case 't':
format = TIME;
break;
case 'u':
format = STATUS;
break;
+ case OPT_HUMAN:
+ unit = IPC_UNIT_HUMAN;
+ break;
+ case 'b':
+ unit = IPC_UNIT_BYTES;
+ break;
+
case 'h':
- help(EXIT_SUCCESS);
- case '?':
- usage(EXIT_SUCCESS);
+ usage();
+ case 'V':
+ print_version(EXIT_SUCCESS);
+ default:
+ errtryhelp(EXIT_FAILURE);
}
}
- if (print) {
+ if (specific && (msg + shm + sem != 1))
+ errx (EXIT_FAILURE,
+ _("when using an ID, a single resource must be specified"));
+ if (specific) {
+ if (msg)
+ print_msg (id, unit);
if (shm)
- print_shm (id);
- else if (sem)
+ print_shm (id, unit);
+ if (sem)
print_sem (id);
- else if (msg)
- print_msg (id);
- else
- usage (EXIT_FAILURE);
} else {
- if ( !shm && !msg && !sem)
- msg = sem = shm = 1;
+ if (!msg && !shm && !sem)
+ msg = shm = sem = 1;
printf ("\n");
-
+ if (msg) {
+ do_msg (format, unit);
+ printf ("\n");
+ }
if (shm) {
- do_shm (format);
+ do_shm (format, unit);
printf ("\n");
}
if (sem) {
do_sem (format);
printf ("\n");
}
- if (msg) {
- do_msg (format);
- printf ("\n");
- }
}
return EXIT_SUCCESS;
}
-
-static void
-print_perms (int id, struct ipc_perm *ipcp) {
- struct passwd *pw;
- struct group *gr;
-
- printf ("%-10d %-10o", id, ipcp->mode & 0777);
-
- if ((pw = getpwuid(ipcp->cuid)))
- printf(" %-10s", pw->pw_name);
- else
- printf(" %-10d", ipcp->cuid);
- if ((gr = getgrgid(ipcp->cgid)))
- printf(" %-10s", gr->gr_name);
- else
- printf(" %-10d", ipcp->cgid);
-
- if ((pw = getpwuid(ipcp->uid)))
- printf(" %-10s", pw->pw_name);
- else
- printf(" %-10d", ipcp->uid);
- if ((gr = getgrgid(ipcp->gid)))
- printf(" %-10s\n", gr->gr_name);
- else
- printf(" %-10d\n", ipcp->gid);
-}
-
-
-void do_shm (char format)
+static void do_shm (char format, int unit)
{
- int maxid, shmid, id;
- struct shmid_ds shmseg;
- struct shm_info shm_info;
- struct shminfo shminfo;
- struct ipc_perm *ipcp = &shmseg.shm_perm;
struct passwd *pw;
-
- maxid = shmctl (0, SHM_INFO, (struct shmid_ds *) (void *) &shm_info);
- if (maxid < 0) {
- printf (_("kernel not configured for shared memory\n"));
- return;
- }
+ struct shm_data *shmds, *shmdsp;
switch (format) {
case LIMITS:
- printf (_("------ Shared Memory Limits --------\n"));
- if ((shmctl (0, IPC_INFO, (struct shmid_ds *) (void *) &shminfo)) < 0 )
+ {
+ struct ipc_limits lim;
+ uint64_t tmp, pgsz = getpagesize();
+
+ if (ipc_shm_get_limits(&lim)) {
+ printf (_("unable to fetch shared memory limits\n"));
return;
- /* glibc 2.1.3 and all earlier libc's have ints as fields
- of struct shminfo; glibc 2.1.91 has unsigned long; ach */
- printf (_("max number of segments = %lu\n"),
- (unsigned long) shminfo.shmmni);
- printf (_("max seg size (kbytes) = %lu\n"),
- (unsigned long) (shminfo.shmmax >> 10));
- printf (_("max total shared memory (kbytes) = %llu\n"),
- getpagesize() / 1024 * (unsigned long long) shminfo.shmall);
- printf (_("min seg size (bytes) = %lu\n"),
- (unsigned long) shminfo.shmmin);
+ }
+ printf (_("------ Shared Memory Limits --------\n"));
+ printf (_("max number of segments = %ju\n"), lim.shmmni);
+ ipc_print_size(unit == IPC_UNIT_DEFAULT ? IPC_UNIT_KB : unit,
+ _("max seg size"), lim.shmmax, "\n", 0);
+
+ tmp = (uint64_t) lim.shmall * pgsz;
+ /* overflow handling, at least we don't print ridiculous small values */
+ if (lim.shmall != 0 && tmp / lim.shmall != pgsz) {
+ tmp = UINT64_MAX - (UINT64_MAX % pgsz);
+ }
+ ipc_print_size(unit == IPC_UNIT_DEFAULT ? IPC_UNIT_KB : unit,
+ _("max total shared memory"), tmp, "\n", 0);
+ ipc_print_size(unit == IPC_UNIT_DEFAULT ? IPC_UNIT_BYTES : unit,
+ _("min seg size"), lim.shmmin, "\n", 0);
return;
-
+ }
case STATUS:
+ {
+ int maxid;
+ struct shmid_ds shmbuf;
+ struct shm_info *shm_info;
+
+ maxid = shmctl (0, SHM_INFO, &shmbuf);
+ shm_info = (struct shm_info *) &shmbuf;
+ if (maxid < 0) {
+ printf (_("kernel not configured for shared memory\n"));
+ return;
+ }
+
printf (_("------ Shared Memory Status --------\n"));
- printf (_("segments allocated %d\n"), shm_info.used_ids);
- printf (_("pages allocated %ld\n"), shm_info.shm_tot);
- printf (_("pages resident %ld\n"), shm_info.shm_rss);
- printf (_("pages swapped %ld\n"), shm_info.shm_swp);
- printf (_("Swap performance: %ld attempts\t %ld successes\n"),
- shm_info.swap_attempts, shm_info.swap_successes);
+ /*
+ * TRANSLATORS: This output format is maintained for backward
+ * compatibility as ipcs is used in scripts. For consistency
+ * with the rest, the translated form can follow this model:
+ *
+ * "segments allocated = %d\n"
+ * "pages allocated = %ld\n"
+ * "pages resident = %ld\n"
+ * "pages swapped = %ld\n"
+ * "swap performance = %ld attempts, %ld successes\n"
+ */
+ printf (_("segments allocated %d\n"
+ "pages allocated %ld\n"
+ "pages resident %ld\n"
+ "pages swapped %ld\n"
+ "Swap performance: %ld attempts\t %ld successes\n"),
+ shm_info->used_ids,
+ shm_info->shm_tot,
+ shm_info->shm_rss,
+ shm_info->shm_swp,
+ shm_info->swap_attempts, shm_info->swap_successes);
return;
+ }
+ /*
+ * Headers only
+ */
case CREATOR:
printf (_("------ Shared Memory Segment Creators/Owners --------\n"));
printf ("%-10s %-10s %-10s %-10s %-10s %-10s\n",
default:
printf (_("------ Shared Memory Segments --------\n"));
printf ("%-10s %-10s %-10s %-10s %-10s %-10s %-12s\n",
- _("key"),_("shmid"),_("owner"),_("perms"),_("bytes"),
+ _("key"),_("shmid"),_("owner"),_("perms"),
+ unit == IPC_UNIT_HUMAN ? _("size") : _("bytes"),
_("nattch"),_("status"));
break;
}
- for (id = 0; id <= maxid; id++) {
- shmid = shmctl (id, SHM_STAT, &shmseg);
- if (shmid < 0)
- continue;
+ /*
+ * Print data
+ */
+ if (ipc_shm_get_info(-1, &shmds) < 1)
+ return;
+
+ for (shmdsp = shmds; shmdsp->next != NULL; shmdsp = shmdsp->next) {
if (format == CREATOR) {
- print_perms (shmid, ipcp);
+ ipc_print_perms(stdout, &shmdsp->shm_perm);
continue;
}
- pw = getpwuid(ipcp->uid);
+ pw = getpwuid(shmdsp->shm_perm.uid);
switch (format) {
case TIME:
if (pw)
- printf ("%-10d %-10.10s", shmid, pw->pw_name);
+ printf ("%-10d %-10.10s", shmdsp->shm_perm.id, pw->pw_name);
else
- printf ("%-10d %-10d", shmid, ipcp->uid);
+ printf ("%-10d %-10u", shmdsp->shm_perm.id, shmdsp->shm_perm.uid);
/* ctime uses static buffer: use separate calls */
- printf(" %-20.16s", shmseg.shm_atime
- ? ctime(&shmseg.shm_atime) + 4 : _("Not set"));
- printf(" %-20.16s", shmseg.shm_dtime
- ? ctime(&shmseg.shm_dtime) + 4 : _("Not set"));
- printf(" %-20.16s\n", shmseg.shm_ctime
- ? ctime(&shmseg.shm_ctime) + 4 : _("Not set"));
+ printf(" %-20.16s", shmdsp->shm_atim
+ ? xctime(&shmdsp->shm_atim) + 4 : _("Not set"));
+ printf(" %-20.16s", shmdsp->shm_dtim
+ ? xctime(&shmdsp->shm_dtim) + 4 : _("Not set"));
+ printf(" %-20.16s\n", shmdsp->shm_ctim
+ ? xctime(&shmdsp->shm_ctim) + 4 : _("Not set"));
break;
case PID:
if (pw)
- printf ("%-10d %-10.10s", shmid, pw->pw_name);
+ printf ("%-10d %-10.10s", shmdsp->shm_perm.id, pw->pw_name);
else
- printf ("%-10d %-10d", shmid, ipcp->uid);
- printf (" %-10d %-10d\n",
- shmseg.shm_cpid, shmseg.shm_lpid);
+ printf ("%-10d %-10u", shmdsp->shm_perm.id, shmdsp->shm_perm.uid);
+ printf (" %-10u %-10u\n",
+ shmdsp->shm_cprid, shmdsp->shm_lprid);
break;
default:
- printf("0x%08x ",ipcp->KEY );
+ printf("0x%08x ", shmdsp->shm_perm.key);
if (pw)
- printf ("%-10d %-10.10s", shmid, pw->pw_name);
+ printf ("%-10d %-10.10s", shmdsp->shm_perm.id, pw->pw_name);
+ else
+ printf ("%-10d %-10u", shmdsp->shm_perm.id, shmdsp->shm_perm.uid);
+ printf (" %-10o ", shmdsp->shm_perm.mode & 0777);
+
+ if (unit == IPC_UNIT_HUMAN)
+ ipc_print_size(unit, NULL, shmdsp->shm_segsz, " ", 6);
else
- printf ("%-10d %-10d", shmid, ipcp->uid);
- printf (" %-10o %-10lu %-10ld %-6s %-6s\n",
- ipcp->mode & 0777,
- /*
- * earlier: int, Austin has size_t
- */
- (unsigned long) shmseg.shm_segsz,
- /*
- * glibc-2.1.3 and earlier has unsigned short;
- * Austin has shmatt_t
- */
- (long) shmseg.shm_nattch,
- ipcp->mode & SHM_DEST ? _("dest") : " ",
- ipcp->mode & SHM_LOCKED ? _("locked") : " ");
+ ipc_print_size(unit, NULL, shmdsp->shm_segsz, NULL, -10);
+
+ printf (" %-10ju %-6s %-6s\n",
+ shmdsp->shm_nattch,
+ shmdsp->shm_perm.mode & SHM_DEST ? _("dest") : " ",
+ shmdsp->shm_perm.mode & SHM_LOCKED ? _("locked") : " ");
break;
}
}
+
+ ipc_shm_free_info(shmds);
return;
}
-
-void do_sem (char format)
+static void do_sem (char format)
{
- int maxid, semid, id;
- struct semid_ds semary;
- struct seminfo seminfo;
- struct ipc_perm *ipcp = &semary.sem_perm;
struct passwd *pw;
- union semun arg;
-
- arg.array = (ushort *) (void *) &seminfo;
- maxid = semctl (0, 0, SEM_INFO, arg);
- if (maxid < 0) {
- printf (_("kernel not configured for semaphores\n"));
- return;
- }
+ struct sem_data *semds, *semdsp;
switch (format) {
case LIMITS:
- printf (_("------ Semaphore Limits --------\n"));
- arg.array = (ushort *) (void *) &seminfo; /* damn union */
- if ((semctl (0, 0, IPC_INFO, arg)) < 0 )
+ {
+ struct ipc_limits lim;
+
+ if (ipc_sem_get_limits(&lim)) {
+ printf (_("unable to fetch semaphore limits\n"));
return;
- printf (_("max number of arrays = %d\n"), seminfo.semmni);
- printf (_("max semaphores per array = %d\n"), seminfo.semmsl);
- printf (_("max semaphores system wide = %d\n"), seminfo.semmns);
- printf (_("max ops per semop call = %d\n"), seminfo.semopm);
- printf (_("semaphore max value = %d\n"), seminfo.semvmx);
+ }
+ printf (_("------ Semaphore Limits --------\n"));
+ printf (_("max number of arrays = %d\n"), lim.semmni);
+ printf (_("max semaphores per array = %d\n"), lim.semmsl);
+ printf (_("max semaphores system wide = %d\n"), lim.semmns);
+ printf (_("max ops per semop call = %d\n"), lim.semopm);
+ printf (_("semaphore max value = %u\n"), lim.semvmx);
return;
-
+ }
case STATUS:
+ {
+ struct seminfo seminfo;
+ union semun arg;
+ arg.array = (ushort *) (void *) &seminfo;
+ if (semctl (0, 0, SEM_INFO, arg) < 0) {
+ printf (_("kernel not configured for semaphores\n"));
+ return;
+ }
printf (_("------ Semaphore Status --------\n"));
printf (_("used arrays = %d\n"), seminfo.semusz);
printf (_("allocated semaphores = %d\n"), seminfo.semaem);
return;
+ }
case CREATOR:
printf (_("------ Semaphore Arrays Creators/Owners --------\n"));
break;
}
- for (id = 0; id <= maxid; id++) {
- arg.buf = (struct semid_ds *) &semary;
- semid = semctl (id, 0, SEM_STAT, arg);
- if (semid < 0)
- continue;
+ /*
+ * Print data
+ */
+ if (ipc_sem_get_info(-1, &semds) < 1)
+ return;
+
+ for (semdsp = semds; semdsp->next != NULL; semdsp = semdsp->next) {
if (format == CREATOR) {
- print_perms (semid, ipcp);
+ ipc_print_perms(stdout, &semdsp->sem_perm);
continue;
}
- pw = getpwuid(ipcp->uid);
+ pw = getpwuid(semdsp->sem_perm.uid);
switch (format) {
case TIME:
if (pw)
- printf ("%-8d %-10.10s", semid, pw->pw_name);
+ printf ("%-8d %-10.10s", semdsp->sem_perm.id, pw->pw_name);
else
- printf ("%-8d %-10d", semid, ipcp->uid);
- printf (" %-26.24s", semary.sem_otime
- ? ctime(&semary.sem_otime) : _("Not set"));
- printf (" %-26.24s\n", semary.sem_ctime
- ? ctime(&semary.sem_ctime) : _("Not set"));
+ printf ("%-8d %-10u", semdsp->sem_perm.id, semdsp->sem_perm.uid);
+ printf (" %-26.24s", semdsp->sem_otime
+ ? xctime(&semdsp->sem_otime) : _("Not set"));
+ printf (" %-26.24s\n", semdsp->sem_ctime
+ ? xctime( &semdsp->sem_ctime) : _("Not set"));
break;
case PID:
break;
default:
- printf("0x%08x ", ipcp->KEY);
+ printf("0x%08x ", semdsp->sem_perm.key);
if (pw)
- printf ("%-10d %-10.10s", semid, pw->pw_name);
+ printf ("%-10d %-10.10s", semdsp->sem_perm.id, pw->pw_name);
else
- printf ("%-10d %-10d", semid, ipcp->uid);
- printf (" %-10o %-10ld\n",
- ipcp->mode & 0777,
- /*
- * glibc-2.1.3 and earlier has unsigned short;
- * glibc-2.1.91 has variation between
- * unsigned short and unsigned long
- * Austin prescribes unsigned short.
- */
- (long) semary.sem_nsems);
+ printf ("%-10d %-10u", semdsp->sem_perm.id, semdsp->sem_perm.uid);
+ printf (" %-10o %-10ju\n",
+ semdsp->sem_perm.mode & 0777,
+ semdsp->sem_nsems);
break;
}
}
-}
+ ipc_sem_free_info(semds);
+ return;
+}
-void do_msg (char format)
+static void do_msg (char format, int unit)
{
- int maxid, msqid, id;
- struct msqid_ds msgque;
- struct msginfo msginfo;
- struct ipc_perm *ipcp = &msgque.msg_perm;
struct passwd *pw;
-
- maxid = msgctl (0, MSG_INFO, (struct msqid_ds *) (void *) &msginfo);
- if (maxid < 0) {
- printf (_("kernel not configured for message queues\n"));
- return;
- }
+ struct msg_data *msgds, *msgdsp;
switch (format) {
case LIMITS:
- if ((msgctl (0, IPC_INFO, (struct msqid_ds *) (void *) &msginfo)) < 0 )
+ {
+ struct ipc_limits lim;
+
+ if (ipc_msg_get_limits(&lim)) {
+ printf (_("unable to fetch message limits\n"));
return;
+ }
printf (_("------ Messages Limits --------\n"));
- printf (_("max queues system wide = %d\n"), msginfo.msgmni);
- printf (_("max size of message (bytes) = %d\n"), msginfo.msgmax);
- printf (_("default max size of queue (bytes) = %d\n"), msginfo.msgmnb);
+ printf (_("max queues system wide = %d\n"), lim.msgmni);
+ ipc_print_size(unit == IPC_UNIT_DEFAULT ? IPC_UNIT_BYTES : unit,
+ _("max size of message"), lim.msgmax, "\n", 0);
+ ipc_print_size(unit == IPC_UNIT_DEFAULT ? IPC_UNIT_BYTES : unit,
+ _("default max size of queue"), lim.msgmnb, "\n", 0);
return;
-
+ }
case STATUS:
+ {
+ struct msginfo msginfo;
+ if (msgctl (0, MSG_INFO, (struct msqid_ds *) (void *) &msginfo) < 0) {
+ printf (_("kernel not configured for message queues\n"));
+ return;
+ }
printf (_("------ Messages Status --------\n"));
+#ifndef __FreeBSD_kernel__
printf (_("allocated queues = %d\n"), msginfo.msgpool);
printf (_("used headers = %d\n"), msginfo.msgmap);
- printf (_("used space = %d bytes\n"), msginfo.msgtql);
+#endif
+ ipc_print_size(unit, _("used space"), msginfo.msgtql,
+ unit == IPC_UNIT_DEFAULT ? _(" bytes\n") : "\n", 0);
return;
-
+ }
case CREATOR:
printf (_("------ Message Queues Creators/Owners --------\n"));
printf ("%-10s %-10s %-10s %-10s %-10s %-10s\n",
printf (_("------ Message Queues --------\n"));
printf ("%-10s %-10s %-10s %-10s %-12s %-12s\n",
_("key"), _("msqid"), _("owner"), _("perms"),
- _("used-bytes"), _("messages"));
+ unit == IPC_UNIT_HUMAN ? _("size") : _("used-bytes"),
+ _("messages"));
break;
}
- for (id = 0; id <= maxid; id++) {
- msqid = msgctl (id, MSG_STAT, &msgque);
- if (msqid < 0)
- continue;
- if (format == CREATOR) {
- print_perms (msqid, ipcp);
+ /*
+ * Print data
+ */
+ if (ipc_msg_get_info(-1, &msgds) < 1)
+ return;
+
+ for (msgdsp = msgds; msgdsp->next != NULL; msgdsp = msgdsp->next) {
+ if (format == CREATOR) {
+ ipc_print_perms(stdout, &msgdsp->msg_perm);
continue;
}
- pw = getpwuid(ipcp->uid);
+ pw = getpwuid(msgdsp->msg_perm.uid);
switch (format) {
case TIME:
if (pw)
- printf ("%-8d %-10.10s", msqid, pw->pw_name);
+ printf ("%-8d %-10.10s", msgdsp->msg_perm.id, pw->pw_name);
else
- printf ("%-8d %-10d", msqid, ipcp->uid);
- printf (" %-20.16s", msgque.msg_stime
- ? ctime(&msgque.msg_stime) + 4 : _("Not set"));
- printf (" %-20.16s", msgque.msg_rtime
- ? ctime(&msgque.msg_rtime) + 4 : _("Not set"));
- printf (" %-20.16s\n", msgque.msg_ctime
- ? ctime(&msgque.msg_ctime) + 4 : _("Not set"));
+ printf ("%-8d %-10u", msgdsp->msg_perm.id, msgdsp->msg_perm.uid);
+ printf (" %-20.16s", msgdsp->q_stime
+ ? xctime(&msgdsp->q_stime) + 4 : _("Not set"));
+ printf (" %-20.16s", msgdsp->q_rtime
+ ? xctime(&msgdsp->q_rtime) + 4 : _("Not set"));
+ printf (" %-20.16s\n", msgdsp->q_ctime
+ ? xctime(&msgdsp->q_ctime) + 4 : _("Not set"));
break;
case PID:
if (pw)
- printf ("%-8d %-10.10s", msqid, pw->pw_name);
+ printf ("%-8d %-10.10s", msgdsp->msg_perm.id, pw->pw_name);
else
- printf ("%-8d %-10d", msqid, ipcp->uid);
+ printf ("%-8d %-10u", msgdsp->msg_perm.id, msgdsp->msg_perm.uid);
printf (" %5d %5d\n",
- msgque.msg_lspid, msgque.msg_lrpid);
+ msgdsp->q_lspid, msgdsp->q_lrpid);
break;
default:
- printf( "0x%08x ",ipcp->KEY );
+ printf( "0x%08x ",msgdsp->msg_perm.key );
if (pw)
- printf ("%-10d %-10.10s", msqid, pw->pw_name);
+ printf ("%-10d %-10.10s", msgdsp->msg_perm.id, pw->pw_name);
+ else
+ printf ("%-10d %-10u", msgdsp->msg_perm.id, msgdsp->msg_perm.uid);
+ printf (" %-10o ", msgdsp->msg_perm.mode & 0777);
+
+ if (unit == IPC_UNIT_HUMAN)
+ ipc_print_size(unit, NULL, msgdsp->q_cbytes, " ", 6);
else
- printf ("%-10d %-10d", msqid, ipcp->uid);
- printf (" %-10o %-12ld %-12ld\n",
- ipcp->mode & 0777,
- /*
- * glibc-2.1.3 and earlier has unsigned short;
- * glibc-2.1.91 has variation between
- * unsigned short, unsigned long
- * Austin has msgqnum_t
- */
- (long) msgque.msg_cbytes,
- (long) msgque.msg_qnum);
+ ipc_print_size(unit, NULL, msgdsp->q_cbytes, NULL, -12);
+
+ printf (" %-12ju\n", msgdsp->q_qnum);
break;
}
}
+
+ ipc_msg_free_info(msgds);
return;
}
-
-void print_shm (int shmid)
+static void print_shm(int shmid, int unit)
{
- struct shmid_ds shmds;
- struct ipc_perm *ipcp = &shmds.shm_perm;
-
- if (shmctl (shmid, IPC_STAT, &shmds) == -1)
- err(EXIT_FAILURE, _("shmctl failed"));
-
- printf (_("\nShared memory Segment shmid=%d\n"), shmid);
- printf (_("uid=%d\tgid=%d\tcuid=%d\tcgid=%d\n"),
- ipcp->uid, ipcp->gid, ipcp->cuid, ipcp->cgid);
- printf (_("mode=%#o\taccess_perms=%#o\n"),
- ipcp->mode, ipcp->mode & 0777);
- printf (_("bytes=%ld\tlpid=%d\tcpid=%d\tnattch=%ld\n"),
- (long) shmds.shm_segsz, shmds.shm_lpid, shmds.shm_cpid,
- (long) shmds.shm_nattch);
- printf (_("att_time=%-26.24s\n"),
- shmds.shm_atime ? ctime (&shmds.shm_atime) : _("Not set"));
- printf (_("det_time=%-26.24s\n"),
- shmds.shm_dtime ? ctime (&shmds.shm_dtime) : _("Not set"));
- printf (_("change_time=%-26.24s\n"), ctime (&shmds.shm_ctime));
- printf ("\n");
- return;
-}
+ struct shm_data *shmdata;
+
+ if (ipc_shm_get_info(shmid, &shmdata) < 1) {
+ warnx(_("id %d not found"), shmid);
+ return;
+ }
+ printf(_("\nShared memory Segment shmid=%d\n"), shmid);
+ printf(_("uid=%u\tgid=%u\tcuid=%u\tcgid=%u\n"),
+ shmdata->shm_perm.uid, shmdata->shm_perm.gid,
+ shmdata->shm_perm.cuid, shmdata->shm_perm.cgid);
+ printf(_("mode=%#o\taccess_perms=%#o\n"), shmdata->shm_perm.mode,
+ shmdata->shm_perm.mode & 0777);
+ ipc_print_size(unit, unit == IPC_UNIT_HUMAN ? _("size=") : _("bytes="),
+ shmdata->shm_segsz, "\t", 0);
+ printf(_("lpid=%u\tcpid=%u\tnattch=%jd\n"),
+ shmdata->shm_lprid, shmdata->shm_cprid,
+ shmdata->shm_nattch);
+ printf(_("att_time=%-26.24s\n"),
+ shmdata->shm_atim ? xctime(&(shmdata->shm_atim)) : _("Not set"));
+ printf(_("det_time=%-26.24s\n"),
+ shmdata->shm_dtim ? xctime(&shmdata->shm_dtim) : _("Not set"));
+ printf(_("change_time=%-26.24s\n"), xctime(&shmdata->shm_ctim));
+ printf("\n");
+
+ ipc_shm_free_info(shmdata);
+}
-void print_msg (int msqid)
+static void print_msg(int msgid, int unit)
{
- struct msqid_ds buf;
- struct ipc_perm *ipcp = &buf.msg_perm;
+ struct msg_data *msgdata;
- if (msgctl (msqid, IPC_STAT, &buf) == -1)
- err(EXIT_FAILURE, _("msgctl failed"));
+ if (ipc_msg_get_info(msgid, &msgdata) < 1) {
+ warnx(_("id %d not found"), msgid);
+ return;
+ }
- printf (_("\nMessage Queue msqid=%d\n"), msqid);
- printf (_("uid=%d\tgid=%d\tcuid=%d\tcgid=%d\tmode=%#o\n"),
- ipcp->uid, ipcp->gid, ipcp->cuid, ipcp->cgid, ipcp->mode);
- printf (_("cbytes=%ld\tqbytes=%ld\tqnum=%ld\tlspid=%d\tlrpid=%d\n"),
- /*
- * glibc-2.1.3 and earlier has unsigned short;
- * glibc-2.1.91 has variation between
- * unsigned short, unsigned long
- * Austin has msgqnum_t (for msg_qbytes)
- */
- (long) buf.msg_cbytes, (long) buf.msg_qbytes,
- (long) buf.msg_qnum, buf.msg_lspid, buf.msg_lrpid);
- printf (_("send_time=%-26.24s\n"),
- buf.msg_stime ? ctime (&buf.msg_stime) : _("Not set"));
- printf (_("rcv_time=%-26.24s\n"),
- buf.msg_rtime ? ctime (&buf.msg_rtime) : _("Not set"));
- printf (_("change_time=%-26.24s\n"),
- buf.msg_ctime ? ctime (&buf.msg_ctime) : _("Not set"));
- printf ("\n");
- return;
+ printf(_("\nMessage Queue msqid=%d\n"), msgid);
+ printf(_("uid=%u\tgid=%u\tcuid=%u\tcgid=%u\tmode=%#o\n"),
+ msgdata->msg_perm.uid, msgdata->msg_perm.gid,
+ msgdata->msg_perm.cuid, msgdata->msg_perm.cgid,
+ msgdata->msg_perm.mode);
+ ipc_print_size(unit, unit == IPC_UNIT_HUMAN ? _("csize=") : _("cbytes="),
+ msgdata->q_cbytes, "\t", 0);
+ ipc_print_size(unit, unit == IPC_UNIT_HUMAN ? _("qsize=") : _("qbytes="),
+ msgdata->q_qbytes, "\t", 0);
+ printf("qnum=%jd\tlspid=%d\tlrpid=%d\n",
+ msgdata->q_qnum,
+ msgdata->q_lspid, msgdata->q_lrpid);
+ printf(_("send_time=%-26.24s\n"),
+ msgdata->q_stime ? xctime(&msgdata->q_stime) : _("Not set"));
+ printf(_("rcv_time=%-26.24s\n"),
+ msgdata->q_rtime ? xctime(&msgdata->q_rtime) : _("Not set"));
+ printf(_("change_time=%-26.24s\n"),
+ msgdata->q_ctime ? xctime(&msgdata->q_ctime) : _("Not set"));
+ printf("\n");
+
+ ipc_msg_free_info(msgdata);
}
-void print_sem (int semid)
+static void print_sem(int semid)
{
- struct semid_ds semds;
- struct ipc_perm *ipcp = &semds.sem_perm;
- union semun arg;
- int i;
-
- arg.buf = &semds;
- if (semctl (semid, 0, IPC_STAT, arg) < 0)
- err(EXIT_FAILURE, _("semctl failed"));
-
- printf (_("\nSemaphore Array semid=%d\n"), semid);
- printf (_("uid=%d\t gid=%d\t cuid=%d\t cgid=%d\n"),
- ipcp->uid, ipcp->gid, ipcp->cuid, ipcp->cgid);
- printf (_("mode=%#o, access_perms=%#o\n"),
- ipcp->mode, ipcp->mode & 0777);
- printf (_("nsems = %ld\n"), (long) semds.sem_nsems);
- printf (_("otime = %-26.24s\n"),
- semds.sem_otime ? ctime (&semds.sem_otime) : _("Not set"));
- printf (_("ctime = %-26.24s\n"), ctime (&semds.sem_ctime));
-
- printf ("%-10s %-10s %-10s %-10s %-10s\n",
- _("semnum"),_("value"),_("ncount"),_("zcount"),_("pid"));
- arg.val = 0;
- for (i=0; i< semds.sem_nsems; i++) {
- int val, ncnt, zcnt, pid;
- val = semctl (semid, i, GETVAL, arg);
- ncnt = semctl (semid, i, GETNCNT, arg);
- zcnt = semctl (semid, i, GETZCNT, arg);
- pid = semctl (semid, i, GETPID, arg);
- if (val < 0 || ncnt < 0 || zcnt < 0 || pid < 0)
- err(EXIT_FAILURE, _("semctl failed"));
-
- printf ("%-10d %-10d %-10d %-10d %-10d\n",
- i, val, ncnt, zcnt, pid);
+ struct sem_data *semdata;
+ size_t i;
+
+ if (ipc_sem_get_info(semid, &semdata) < 1) {
+ warnx(_("id %d not found"), semid);
+ return;
}
- printf ("\n");
- return;
+
+ printf(_("\nSemaphore Array semid=%d\n"), semid);
+ printf(_("uid=%u\t gid=%u\t cuid=%u\t cgid=%u\n"),
+ semdata->sem_perm.uid, semdata->sem_perm.gid,
+ semdata->sem_perm.cuid, semdata->sem_perm.cgid);
+ printf(_("mode=%#o, access_perms=%#o\n"),
+ semdata->sem_perm.mode, semdata->sem_perm.mode & 0777);
+ printf(_("nsems = %ju\n"), semdata->sem_nsems);
+ printf(_("otime = %-26.24s\n"),
+ semdata->sem_otime ? xctime(&semdata->sem_otime) : _("Not set"));
+ printf(_("ctime = %-26.24s\n"), xctime(&semdata->sem_ctime));
+
+ printf("%-10s %-10s %-10s %-10s %-10s\n",
+ _("semnum"), _("value"), _("ncount"), _("zcount"), _("pid"));
+
+ for (i = 0; i < semdata->sem_nsems; i++) {
+ struct sem_elem *e = &semdata->elements[i];
+ printf("%-10zu %-10d %-10d %-10d %-10d\n",
+ i, e->semval, e->ncount, e->zcount, e->pid);
+ }
+ printf("\n");
+ ipc_sem_free_info(semdata);
}