Stylify ipcs/ipcs.c and ipcrm/ipcrm in preparation of the upcoming
changes as proposed in bin/118292. Feel free to mention any I have missed, there is much to learn with regarding to style(9). Approved by: grog@
This commit is contained in:
Edwin Groothuis
parent
8411d52a93
commit
fa44a2923e
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=174750
@ -32,17 +32,18 @@
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/ipc.h>
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#include <sys/msg.h>
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#include <sys/sem.h>
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#include <sys/shm.h>
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#include <ctype.h>
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#include <err.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/ipc.h>
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#include <sys/msg.h>
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#include <sys/sem.h>
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#include <sys/shm.h>
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#define IPC_TO_STR(x) (x == 'Q' ? "msq" : (x == 'M' ? "shm" : "sem"))
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#define IPC_TO_STRING(x) (x == 'Q' ? "message queue" : \
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@ -56,117 +57,133 @@ int shmrm(key_t, int);
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int semrm(key_t, int);
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void not_configured(int);
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void usage(void)
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void
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usage(void)
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{
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fprintf(stderr, "%s\n%s\n",
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"usage: ipcrm [-q msqid] [-m shmid] [-s semid]",
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" [-Q msgkey] [-M shmkey] [-S semkey] ...");
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fprintf(stderr,
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"usage: ipcrm [-q msqid] [-m shmid] [-s semid]\n"
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" [-Q msgkey] [-M shmkey] [-S semkey] ...\n");
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exit(1);
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}
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int msgrm(key_t key, int id)
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int
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msgrm(key_t key, int id)
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{
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if (key) {
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id = msgget(key, 0);
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if (id == -1)
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return -1;
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}
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return msgctl(id, IPC_RMID, NULL);
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}
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int shmrm(key_t key, int id)
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{
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if (key) {
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id = shmget(key, 0, 0);
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if (id == -1)
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return -1;
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}
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return shmctl(id, IPC_RMID, NULL);
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}
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int semrm(key_t key, int id)
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{
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union semun arg;
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if (key) {
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id = semget(key, 0, 0);
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if (id == -1)
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return -1;
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}
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return semctl(id, 0, IPC_RMID, arg);
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}
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void not_configured(int signo __unused)
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{
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signaled++;
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}
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int main(int argc, char *argv[])
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{
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int c, result, errflg, target_id;
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key_t target_key;
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errflg = 0;
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signal(SIGSYS, not_configured);
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while ((c = getopt(argc, argv, ":q:m:s:Q:M:S:")) != -1) {
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signaled = 0;
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switch (c) {
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case 'q':
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case 'm':
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case 's':
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target_id = atoi(optarg);
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if (c == 'q')
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result = msgrm(0, target_id);
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else if (c == 'm')
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result = shmrm(0, target_id);
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else
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result = semrm(0, target_id);
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if (result < 0) {
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errflg++;
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if (!signaled)
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warn("%sid(%d): ", IPC_TO_STR(toupper(c)), target_id);
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else
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warnx("%ss are not configured in the running kernel",
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IPC_TO_STRING(toupper(c)));
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}
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break;
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case 'Q':
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case 'M':
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case 'S':
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target_key = atol(optarg);
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if (target_key == IPC_PRIVATE) {
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warnx("can't remove private %ss", IPC_TO_STRING(c));
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continue;
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}
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if (c == 'Q')
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result = msgrm(target_key, 0);
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else if (c == 'M')
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result = shmrm(target_key, 0);
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else
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result = semrm(target_key, 0);
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if (result < 0) {
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errflg++;
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if (!signaled)
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warn("%ss(%ld): ", IPC_TO_STR(c), target_key);
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else
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warnx("%ss are not configured in the running kernel",
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IPC_TO_STRING(c));
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}
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break;
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case ':':
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fprintf(stderr, "option -%c requires an argument\n", optopt);
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usage();
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case '?':
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fprintf(stderr, "unrecognized option: -%c\n", optopt);
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usage();
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if (key) {
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id = msgget(key, 0);
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if (id == -1)
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return -1;
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}
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}
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if (optind != argc) {
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fprintf(stderr, "unknown argument: %s\n", argv[optind]);
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usage();
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}
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exit(errflg);
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return msgctl(id, IPC_RMID, NULL);
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}
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int
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shmrm(key_t key, int id)
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{
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if (key) {
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id = shmget(key, 0, 0);
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if (id == -1)
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return -1;
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}
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return shmctl(id, IPC_RMID, NULL);
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}
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int
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semrm(key_t key, int id)
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{
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union semun arg;
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if (key) {
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id = semget(key, 0, 0);
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if (id == -1)
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return -1;
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}
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return semctl(id, 0, IPC_RMID, arg);
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}
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void
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not_configured(int signo __unused)
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{
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signaled++;
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}
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int
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main(int argc, char *argv[])
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{
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int c, result, errflg, target_id;
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key_t target_key;
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errflg = 0;
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signal(SIGSYS, not_configured);
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while ((c = getopt(argc, argv, ":q:m:s:Q:M:S:")) != -1) {
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signaled = 0;
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switch (c) {
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case 'q':
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case 'm':
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case 's':
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target_id = atoi(optarg);
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if (c == 'q')
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result = msgrm(0, target_id);
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else if (c == 'm')
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result = shmrm(0, target_id);
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else
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result = semrm(0, target_id);
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if (result < 0) {
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errflg++;
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if (!signaled)
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warn("%sid(%d): ",
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IPC_TO_STR(toupper(c)), target_id);
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else
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warnx(
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"%ss are not configured "
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"in the running kernel",
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IPC_TO_STRING(toupper(c)));
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}
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break;
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case 'Q':
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case 'M':
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case 'S':
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target_key = atol(optarg);
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if (target_key == IPC_PRIVATE) {
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warnx("can't remove private %ss",
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IPC_TO_STRING(c));
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continue;
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}
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if (c == 'Q')
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result = msgrm(target_key, 0);
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else if (c == 'M')
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result = shmrm(target_key, 0);
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else
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result = semrm(target_key, 0);
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if (result < 0) {
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errflg++;
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if (!signaled)
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warn("%ss(%ld): ",
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IPC_TO_STR(c), target_key);
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else
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warnx("%ss are not configured "
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"in the running kernel",
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IPC_TO_STRING(c));
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}
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break;
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case ':':
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fprintf(stderr,
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"option -%c requires an argument\n", optopt);
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usage();
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case '?':
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fprintf(stderr, "unrecognized option: -%c\n", optopt);
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usage();
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}
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}
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if (optind != argc) {
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fprintf(stderr, "unknown argument: %s\n", argv[optind]);
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usage();
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}
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exit(errflg);
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}
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@ -28,21 +28,6 @@
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <assert.h>
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#include <err.h>
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#include <fcntl.h>
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#include <grp.h>
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#include <kvm.h>
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#include <nlist.h>
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#include <limits.h>
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#include <paths.h>
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#include <pwd.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/time.h>
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@ -53,6 +38,22 @@ __FBSDID("$FreeBSD$");
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#include <sys/sem.h>
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#include <sys/shm.h>
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#include <sys/msg.h>
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#undef _KERNEL
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#include <assert.h>
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#include <err.h>
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#include <fcntl.h>
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#include <grp.h>
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#include <kvm.h>
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#include <limits.h>
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#include <nlist.h>
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#include <paths.h>
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#include <pwd.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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/* SysCtlGatherStruct structure. */
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struct scgs_vector {
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@ -63,10 +64,10 @@ struct scgs_vector {
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int use_sysctl = 1;
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struct semid_kernel *sema;
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struct seminfo seminfo;
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struct msginfo msginfo;
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struct seminfo seminfo;
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struct msginfo msginfo;
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struct msqid_kernel *msqids;
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struct shminfo shminfo;
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struct shminfo shminfo;
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struct shmid_kernel *shmsegs;
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char *fmt_perm(u_short);
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@ -75,6 +76,15 @@ void sysctlgatherstruct(void *addr, size_t size, struct scgs_vector *vec);
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void kget(int idx, void *addr, size_t size);
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void usage(void);
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uid_t user2uid(char *username);
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void print_kmsqtotal(struct msginfo msginfo);
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void print_kmsqheader(int option);
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void print_kmsqptr(int i, int option, struct msqid_kernel *kmsqptr);
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void print_kshmtotal(struct shminfo shminfo);
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void print_kshmheader(int option);
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void print_kshmptr(int i, int option, struct shmid_kernel *kshmptr);
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void print_ksemtotal(struct seminfo seminfo);
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void print_ksemheader(int option);
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void print_ksemptr(int i, int option, struct semid_kernel *ksemaptr);
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static struct nlist symbols[] = {
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{"sema"},
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@ -92,32 +102,29 @@ static struct nlist symbols[] = {
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{NULL}
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};
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#define SHMINFO_XVEC \
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X(shmmax, sizeof(u_long)) \
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X(shmmin, sizeof(u_long)) \
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X(shmmni, sizeof(u_long)) \
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X(shmseg, sizeof(u_long)) \
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X(shmall, sizeof(u_long))
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#define SHMINFO_XVEC X(shmmax, sizeof(u_long)) \
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X(shmmin, sizeof(u_long)) \
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X(shmmni, sizeof(u_long)) \
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X(shmseg, sizeof(u_long)) \
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X(shmall, sizeof(u_long))
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#define SEMINFO_XVEC \
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X(semmap, sizeof(int)) \
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X(semmni, sizeof(int)) \
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X(semmns, sizeof(int)) \
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X(semmnu, sizeof(int)) \
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X(semmsl, sizeof(int)) \
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X(semopm, sizeof(int)) \
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X(semume, sizeof(int)) \
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X(semusz, sizeof(int)) \
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X(semvmx, sizeof(int)) \
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X(semaem, sizeof(int))
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#define SEMINFO_XVEC X(semmap, sizeof(int)) \
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X(semmni, sizeof(int)) \
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X(semmns, sizeof(int)) \
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X(semmnu, sizeof(int)) \
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X(semmsl, sizeof(int)) \
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X(semopm, sizeof(int)) \
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X(semume, sizeof(int)) \
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X(semusz, sizeof(int)) \
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X(semvmx, sizeof(int)) \
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X(semaem, sizeof(int))
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#define MSGINFO_XVEC \
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X(msgmax, sizeof(int)) \
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X(msgmni, sizeof(int)) \
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X(msgmnb, sizeof(int)) \
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X(msgtql, sizeof(int)) \
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X(msgssz, sizeof(int)) \
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X(msgseg, sizeof(int))
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#define MSGINFO_XVEC X(msgmax, sizeof(int)) \
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X(msgmni, sizeof(int)) \
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X(msgmnb, sizeof(int)) \
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X(msgtql, sizeof(int)) \
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X(msgssz, sizeof(int)) \
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X(msgseg, sizeof(int))
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#define X(a, b) { "kern.ipc." #a, offsetof(TYPEC, a), (b) },
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#define TYPEC struct shminfo
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@ -187,28 +194,10 @@ main(int argc, char *argv[])
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char *core = NULL, *user = NULL, *namelist = NULL;
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char kvmoferr[_POSIX2_LINE_MAX]; /* Error buf for kvm_openfiles. */
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int i;
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uid_t uid;
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uid_t uid = 0;
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while ((i = getopt(argc, argv, "MmQqSsabC:cN:optTu:y")) != -1)
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switch (i) {
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case 'M':
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display = SHMTOTAL;
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break;
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case 'm':
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display = SHMINFO;
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break;
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case 'Q':
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display = MSGTOTAL;
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break;
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case 'q':
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display = MSGINFO;
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break;
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case 'S':
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display = SEMTOTAL;
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break;
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case 's':
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display = SEMINFO;
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break;
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case 'T':
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display = SHMTOTAL | MSGTOTAL | SEMTOTAL;
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break;
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@ -224,6 +213,12 @@ main(int argc, char *argv[])
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case 'c':
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option |= CREATOR;
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break;
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case 'M':
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display = SHMTOTAL;
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break;
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case 'm':
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display = SHMINFO;
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break;
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case 'N':
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namelist = optarg;
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break;
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@ -233,16 +228,28 @@ main(int argc, char *argv[])
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case 'p':
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option |= PID;
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break;
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case 'Q':
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display = MSGTOTAL;
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break;
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case 'q':
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display = MSGINFO;
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break;
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case 'S':
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display = SEMTOTAL;
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break;
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case 's':
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display = SEMINFO;
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break;
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case 't':
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option |= TIME;
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break;
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case 'y':
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use_sysctl = 0;
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break;
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case 'u':
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user = optarg;
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uid = user2uid(user);
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break;
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case 'y':
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use_sysctl = 0;
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break;
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default:
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usage();
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}
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@ -265,195 +272,70 @@ main(int argc, char *argv[])
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case -1:
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errx(1, "unable to read kernel symbol table");
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default:
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#ifdef notdef /* they'll be told more civilly later */
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warnx("nlist failed");
|
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for (i = 0; symbols[i].n_name != NULL; i++)
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if (symbols[i].n_value == 0)
|
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warnx("symbol %s not found",
|
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symbols[i].n_name);
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#endif
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break;
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}
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}
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kget(X_MSGINFO, &msginfo, sizeof(msginfo));
|
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if ((display & (MSGINFO | MSGTOTAL))) {
|
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if (display & MSGTOTAL) {
|
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printf("msginfo:\n");
|
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printf("\tmsgmax: %12d\t(max characters in a message)\n",
|
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msginfo.msgmax);
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printf("\tmsgmni: %12d\t(# of message queues)\n",
|
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msginfo.msgmni);
|
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printf("\tmsgmnb: %12d\t(max characters in a message queue)\n",
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msginfo.msgmnb);
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printf("\tmsgtql: %12d\t(max # of messages in system)\n",
|
||||
msginfo.msgtql);
|
||||
printf("\tmsgssz: %12d\t(size of a message segment)\n",
|
||||
msginfo.msgssz);
|
||||
printf("\tmsgseg: %12d\t(# of message segments in system)\n\n",
|
||||
msginfo.msgseg);
|
||||
}
|
||||
if (display & MSGTOTAL)
|
||||
print_kmsqtotal(msginfo);
|
||||
|
||||
if (display & MSGINFO) {
|
||||
struct msqid_kernel *kxmsqids;
|
||||
size_t kxmsqids_len;
|
||||
|
||||
|
||||
kxmsqids_len = sizeof(struct msqid_kernel) * msginfo.msgmni;
|
||||
kxmsqids_len =
|
||||
sizeof(struct msqid_kernel) * msginfo.msgmni;
|
||||
kxmsqids = malloc(kxmsqids_len);
|
||||
kget(X_MSQIDS, kxmsqids, kxmsqids_len);
|
||||
|
||||
printf("Message Queues:\n");
|
||||
printf("T %12s %12s %-11s %-8s %-8s", "ID", "KEY", "MODE",
|
||||
"OWNER", "GROUP");
|
||||
if (option & CREATOR)
|
||||
printf(" %-8s %-8s", "CREATOR", "CGROUP");
|
||||
if (option & OUTSTANDING)
|
||||
printf(" %20s %20s", "CBYTES", "QNUM");
|
||||
if (option & BIGGEST)
|
||||
printf(" %20s", "QBYTES");
|
||||
if (option & PID)
|
||||
printf(" %12s %12s", "LSPID", "LRPID");
|
||||
if (option & TIME)
|
||||
printf(" %-8s %-8s %-8s", "STIME", "RTIME", "CTIME");
|
||||
printf("\n");
|
||||
print_kmsqheader(option);
|
||||
|
||||
for (i = 0; i < msginfo.msgmni; i += 1) {
|
||||
if (kxmsqids[i].u.msg_qbytes != 0) {
|
||||
char stime_buf[100], rtime_buf[100],
|
||||
ctime_buf[100];
|
||||
struct msqid_kernel *kmsqptr = &kxmsqids[i];
|
||||
if (user &&
|
||||
uid != kxmsqids[i].u.msg_perm.uid)
|
||||
continue;
|
||||
|
||||
if (user)
|
||||
if (uid != kmsqptr->u.msg_perm.uid)
|
||||
continue;
|
||||
cvt_time(kmsqptr->u.msg_stime, stime_buf);
|
||||
cvt_time(kmsqptr->u.msg_rtime, rtime_buf);
|
||||
cvt_time(kmsqptr->u.msg_ctime, ctime_buf);
|
||||
|
||||
printf("q %12d %12d %s %8s %8s",
|
||||
IXSEQ_TO_IPCID(i, kmsqptr->u.msg_perm),
|
||||
(int)kmsqptr->u.msg_perm.key,
|
||||
fmt_perm(kmsqptr->u.msg_perm.mode),
|
||||
user_from_uid(kmsqptr->u.msg_perm.uid, 0),
|
||||
group_from_gid(kmsqptr->u.msg_perm.gid, 0));
|
||||
|
||||
if (option & CREATOR)
|
||||
printf(" %8s %8s",
|
||||
user_from_uid(kmsqptr->u.msg_perm.cuid, 0),
|
||||
group_from_gid(kmsqptr->u.msg_perm.cgid, 0));
|
||||
|
||||
if (option & OUTSTANDING)
|
||||
printf(" %12lu %12lu",
|
||||
kmsqptr->u.msg_cbytes,
|
||||
kmsqptr->u.msg_qnum);
|
||||
|
||||
if (option & BIGGEST)
|
||||
printf(" %20lu",
|
||||
kmsqptr->u.msg_qbytes);
|
||||
|
||||
if (option & PID)
|
||||
printf(" %12d %12d",
|
||||
kmsqptr->u.msg_lspid,
|
||||
kmsqptr->u.msg_lrpid);
|
||||
|
||||
if (option & TIME)
|
||||
printf(" %s %s %s",
|
||||
stime_buf,
|
||||
rtime_buf,
|
||||
ctime_buf);
|
||||
|
||||
printf("\n");
|
||||
print_kmsqptr(i, option, &kxmsqids[i]);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
printf("\n");
|
||||
}
|
||||
} else
|
||||
if (display & (MSGINFO | MSGTOTAL)) {
|
||||
fprintf(stderr,
|
||||
"SVID messages facility not configured in the system\n");
|
||||
"SVID messages facility "
|
||||
"not configured in the system\n");
|
||||
}
|
||||
|
||||
kget(X_SHMINFO, &shminfo, sizeof(shminfo));
|
||||
if ((display & (SHMINFO | SHMTOTAL))) {
|
||||
if (display & SHMTOTAL) {
|
||||
printf("shminfo:\n");
|
||||
printf("\tshmmax: %12d\t(max shared memory segment size)\n",
|
||||
shminfo.shmmax);
|
||||
printf("\tshmmin: %12d\t(min shared memory segment size)\n",
|
||||
shminfo.shmmin);
|
||||
printf("\tshmmni: %12d\t(max number of shared memory identifiers)\n",
|
||||
shminfo.shmmni);
|
||||
printf("\tshmseg: %12d\t(max shared memory segments per process)\n",
|
||||
shminfo.shmseg);
|
||||
printf("\tshmall: %12d\t(max amount of shared memory in pages)\n\n",
|
||||
shminfo.shmall);
|
||||
}
|
||||
|
||||
if (display & SHMTOTAL)
|
||||
print_kshmtotal(shminfo);
|
||||
|
||||
if (display & SHMINFO) {
|
||||
struct shmid_kernel *kxshmids;
|
||||
size_t kxshmids_len;
|
||||
|
||||
kxshmids_len = sizeof(struct shmid_kernel) * shminfo.shmmni;
|
||||
kxshmids_len =
|
||||
sizeof(struct shmid_kernel) * shminfo.shmmni;
|
||||
kxshmids = malloc(kxshmids_len);
|
||||
kget(X_SHMSEGS, kxshmids, kxshmids_len);
|
||||
|
||||
printf("Shared Memory:\n");
|
||||
printf("T %12s %12s %-11s %-8s %-8s", "ID", "KEY", "MODE",
|
||||
"OWNER", "GROUP");
|
||||
if (option & CREATOR)
|
||||
printf(" %-8s %-8s", "CREATOR", "CGROUP");
|
||||
if (option & OUTSTANDING)
|
||||
printf(" %12s", "NATTCH");
|
||||
if (option & BIGGEST)
|
||||
printf(" %12s", "SEGSZ");
|
||||
if (option & PID)
|
||||
printf(" %12s %12s", "CPID", "LPID");
|
||||
if (option & TIME)
|
||||
printf(" %-8s %-8s %-8s", "ATIME", "DTIME", "CTIME");
|
||||
printf("\n");
|
||||
print_kshmheader(option);
|
||||
|
||||
for (i = 0; i < shminfo.shmmni; i += 1) {
|
||||
if (kxshmids[i].u.shm_perm.mode & 0x0800) {
|
||||
char atime_buf[100], dtime_buf[100],
|
||||
ctime_buf[100];
|
||||
struct shmid_kernel *kshmptr = &kxshmids[i];
|
||||
if (user &&
|
||||
uid != kxshmids[i].u.shm_perm.uid)
|
||||
continue;
|
||||
|
||||
if (user)
|
||||
if (uid != kshmptr->u.shm_perm.uid)
|
||||
continue;
|
||||
cvt_time(kshmptr->u.shm_atime, atime_buf);
|
||||
cvt_time(kshmptr->u.shm_dtime, dtime_buf);
|
||||
cvt_time(kshmptr->u.shm_ctime, ctime_buf);
|
||||
|
||||
printf("m %12d %12d %s %8s %8s",
|
||||
IXSEQ_TO_IPCID(i, kshmptr->u.shm_perm),
|
||||
(int)kshmptr->u.shm_perm.key,
|
||||
fmt_perm(kshmptr->u.shm_perm.mode),
|
||||
user_from_uid(kshmptr->u.shm_perm.uid, 0),
|
||||
group_from_gid(kshmptr->u.shm_perm.gid, 0));
|
||||
|
||||
if (option & CREATOR)
|
||||
printf(" %8s %8s",
|
||||
user_from_uid(kshmptr->u.shm_perm.cuid, 0),
|
||||
group_from_gid(kshmptr->u.shm_perm.cgid, 0));
|
||||
|
||||
if (option & OUTSTANDING)
|
||||
printf(" %12d",
|
||||
kshmptr->u.shm_nattch);
|
||||
|
||||
if (option & BIGGEST)
|
||||
printf(" %12d",
|
||||
kshmptr->u.shm_segsz);
|
||||
|
||||
if (option & PID)
|
||||
printf(" %12d %12d",
|
||||
kshmptr->u.shm_cpid,
|
||||
kshmptr->u.shm_lpid);
|
||||
|
||||
if (option & TIME)
|
||||
printf(" %s %s %s",
|
||||
atime_buf,
|
||||
dtime_buf,
|
||||
ctime_buf);
|
||||
|
||||
printf("\n");
|
||||
print_kshmptr(i, option, &kxshmids[i]);
|
||||
}
|
||||
}
|
||||
printf("\n");
|
||||
@ -461,7 +343,8 @@ main(int argc, char *argv[])
|
||||
} else
|
||||
if (display & (SHMINFO | SHMTOTAL)) {
|
||||
fprintf(stderr,
|
||||
"SVID shared memory facility not configured in the system\n");
|
||||
"SVID shared memory facility "
|
||||
"not configured in the system\n");
|
||||
}
|
||||
|
||||
kget(X_SEMINFO, &seminfo, sizeof(seminfo));
|
||||
@ -469,77 +352,25 @@ main(int argc, char *argv[])
|
||||
struct semid_kernel *kxsema;
|
||||
size_t kxsema_len;
|
||||
|
||||
if (display & SEMTOTAL) {
|
||||
printf("seminfo:\n");
|
||||
printf("\tsemmap: %12d\t(# of entries in semaphore map)\n",
|
||||
seminfo.semmap);
|
||||
printf("\tsemmni: %12d\t(# of semaphore identifiers)\n",
|
||||
seminfo.semmni);
|
||||
printf("\tsemmns: %12d\t(# of semaphores in system)\n",
|
||||
seminfo.semmns);
|
||||
printf("\tsemmnu: %12d\t(# of undo structures in system)\n",
|
||||
seminfo.semmnu);
|
||||
printf("\tsemmsl: %12d\t(max # of semaphores per id)\n",
|
||||
seminfo.semmsl);
|
||||
printf("\tsemopm: %12d\t(max # of operations per semop call)\n",
|
||||
seminfo.semopm);
|
||||
printf("\tsemume: %12d\t(max # of undo entries per process)\n",
|
||||
seminfo.semume);
|
||||
printf("\tsemusz: %12d\t(size in bytes of undo structure)\n",
|
||||
seminfo.semusz);
|
||||
printf("\tsemvmx: %12d\t(semaphore maximum value)\n",
|
||||
seminfo.semvmx);
|
||||
printf("\tsemaem: %12d\t(adjust on exit max value)\n\n",
|
||||
seminfo.semaem);
|
||||
}
|
||||
if (display & SEMTOTAL)
|
||||
print_ksemtotal(seminfo);
|
||||
|
||||
if (display & SEMINFO) {
|
||||
kxsema_len = sizeof(struct semid_kernel) * seminfo.semmni;
|
||||
kxsema_len =
|
||||
sizeof(struct semid_kernel) * seminfo.semmni;
|
||||
kxsema = malloc(kxsema_len);
|
||||
kget(X_SEMA, kxsema, kxsema_len);
|
||||
|
||||
printf("Semaphores:\n");
|
||||
printf("T %12s %12s %-11s %-8s %-8s", "ID", "KEY", "MODE",
|
||||
"OWNER", "GROUP");
|
||||
if (option & CREATOR)
|
||||
printf(" %-8s %-8s", "CREATOR", "CGROUP");
|
||||
if (option & BIGGEST)
|
||||
printf(" %12s", "NSEMS");
|
||||
if (option & TIME)
|
||||
printf(" %-8s %-8s", "OTIME", "CTIME");
|
||||
printf("\n");
|
||||
print_ksemheader(option);
|
||||
|
||||
for (i = 0; i < seminfo.semmni; i += 1) {
|
||||
if ((kxsema[i].u.sem_perm.mode & SEM_ALLOC) != 0) {
|
||||
char ctime_buf[100], otime_buf[100];
|
||||
struct semid_kernel *ksemaptr = &kxsema[i];
|
||||
if (user &&
|
||||
uid != kxsema[i].u.sem_perm.uid)
|
||||
continue;
|
||||
|
||||
if (user)
|
||||
if (uid != ksemaptr->u.sem_perm.uid)
|
||||
continue;
|
||||
cvt_time(ksemaptr->u.sem_otime, otime_buf);
|
||||
cvt_time(ksemaptr->u.sem_ctime, ctime_buf);
|
||||
print_ksemptr(i, option, &kxsema[i]);
|
||||
|
||||
printf("s %12d %12d %s %8s %8s",
|
||||
IXSEQ_TO_IPCID(i, ksemaptr->u.sem_perm),
|
||||
(int)ksemaptr->u.sem_perm.key,
|
||||
fmt_perm(ksemaptr->u.sem_perm.mode),
|
||||
user_from_uid(ksemaptr->u.sem_perm.uid, 0),
|
||||
group_from_gid(ksemaptr->u.sem_perm.gid, 0));
|
||||
|
||||
if (option & CREATOR)
|
||||
printf(" %8s %8s",
|
||||
user_from_uid(ksemaptr->u.sem_perm.cuid, 0),
|
||||
group_from_gid(ksemaptr->u.sem_perm.cgid, 0));
|
||||
|
||||
if (option & BIGGEST)
|
||||
printf(" %12d",
|
||||
ksemaptr->u.sem_nsems);
|
||||
|
||||
if (option & TIME)
|
||||
printf(" %s %s",
|
||||
otime_buf,
|
||||
ctime_buf);
|
||||
|
||||
printf("\n");
|
||||
}
|
||||
}
|
||||
|
||||
@ -547,14 +378,251 @@ main(int argc, char *argv[])
|
||||
}
|
||||
} else
|
||||
if (display & (SEMINFO | SEMTOTAL)) {
|
||||
fprintf(stderr, "SVID semaphores facility not configured in the system\n");
|
||||
fprintf(stderr,
|
||||
"SVID semaphores facility "
|
||||
"not configured in the system\n");
|
||||
}
|
||||
|
||||
if (!use_sysctl)
|
||||
kvm_close(kd);
|
||||
|
||||
exit(0);
|
||||
}
|
||||
|
||||
void
|
||||
print_kmsqtotal(struct msginfo msginfo)
|
||||
{
|
||||
|
||||
printf("msginfo:\n");
|
||||
printf("\tmsgmax: %12d\t(max characters in a message)\n",
|
||||
msginfo.msgmax);
|
||||
printf("\tmsgmni: %12d\t(# of message queues)\n",
|
||||
msginfo.msgmni);
|
||||
printf("\tmsgmnb: %12d\t(max characters in a message queue)\n",
|
||||
msginfo.msgmnb);
|
||||
printf("\tmsgtql: %12d\t(max # of messages in system)\n",
|
||||
msginfo.msgtql);
|
||||
printf("\tmsgssz: %12d\t(size of a message segment)\n",
|
||||
msginfo.msgssz);
|
||||
printf("\tmsgseg: %12d\t(# of message segments in system)\n\n",
|
||||
msginfo.msgseg);
|
||||
}
|
||||
|
||||
void print_kmsqheader(int option) {
|
||||
|
||||
printf("Message Queues:\n");
|
||||
printf("T %12s %12s %-11s %-8s %-8s",
|
||||
"ID", "KEY", "MODE", "OWNER", "GROUP");
|
||||
if (option & CREATOR)
|
||||
printf(" %-8s %-8s", "CREATOR", "CGROUP");
|
||||
if (option & OUTSTANDING)
|
||||
printf(" %20s %20s", "CBYTES", "QNUM");
|
||||
if (option & BIGGEST)
|
||||
printf(" %20s", "QBYTES");
|
||||
if (option & PID)
|
||||
printf(" %12s %12s", "LSPID", "LRPID");
|
||||
if (option & TIME)
|
||||
printf(" %-8s %-8s %-8s", "STIME", "RTIME", "CTIME");
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
void
|
||||
print_kmsqptr(int i, int option, struct msqid_kernel *kmsqptr)
|
||||
{
|
||||
char stime_buf[100], rtime_buf[100], ctime_buf[100];
|
||||
|
||||
cvt_time(kmsqptr->u.msg_stime, stime_buf);
|
||||
cvt_time(kmsqptr->u.msg_rtime, rtime_buf);
|
||||
cvt_time(kmsqptr->u.msg_ctime, ctime_buf);
|
||||
|
||||
printf("q %12d %12d %s %8s %8s",
|
||||
IXSEQ_TO_IPCID(i, kmsqptr->u.msg_perm),
|
||||
(int)kmsqptr->u.msg_perm.key,
|
||||
fmt_perm(kmsqptr->u.msg_perm.mode),
|
||||
user_from_uid(kmsqptr->u.msg_perm.uid, 0),
|
||||
group_from_gid(kmsqptr->u.msg_perm.gid, 0));
|
||||
|
||||
if (option & CREATOR)
|
||||
printf(" %8s %8s",
|
||||
user_from_uid(kmsqptr->u.msg_perm.cuid, 0),
|
||||
group_from_gid(kmsqptr->u.msg_perm.cgid, 0));
|
||||
|
||||
if (option & OUTSTANDING)
|
||||
printf(" %12lu %12lu",
|
||||
kmsqptr->u.msg_cbytes,
|
||||
kmsqptr->u.msg_qnum);
|
||||
|
||||
if (option & BIGGEST)
|
||||
printf(" %20lu", kmsqptr->u.msg_qbytes);
|
||||
|
||||
if (option & PID)
|
||||
printf(" %12d %12d",
|
||||
kmsqptr->u.msg_lspid,
|
||||
kmsqptr->u.msg_lrpid);
|
||||
|
||||
if (option & TIME)
|
||||
printf(" %s %s %s",
|
||||
stime_buf,
|
||||
rtime_buf,
|
||||
ctime_buf);
|
||||
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
void
|
||||
print_kshmtotal(struct shminfo shminfo)
|
||||
{
|
||||
|
||||
printf("shminfo:\n");
|
||||
printf("\tshmmax: %12d\t(max shared memory segment size)\n",
|
||||
shminfo.shmmax);
|
||||
printf("\tshmmin: %12d\t(min shared memory segment size)\n",
|
||||
shminfo.shmmin);
|
||||
printf("\tshmmni: %12d\t(max number of shared memory identifiers)\n",
|
||||
shminfo.shmmni);
|
||||
printf("\tshmseg: %12d\t(max shared memory segments per process)\n",
|
||||
shminfo.shmseg);
|
||||
printf("\tshmall: %12d\t(max amount of shared memory in pages)\n\n",
|
||||
shminfo.shmall);
|
||||
}
|
||||
|
||||
void
|
||||
print_kshmheader(int option)
|
||||
{
|
||||
|
||||
printf("Shared Memory:\n");
|
||||
printf("T %12s %12s %-11s %-8s %-8s",
|
||||
"ID", "KEY", "MODE", "OWNER", "GROUP");
|
||||
if (option & CREATOR)
|
||||
printf(" %-8s %-8s", "CREATOR", "CGROUP");
|
||||
if (option & OUTSTANDING)
|
||||
printf(" %12s", "NATTCH");
|
||||
if (option & BIGGEST)
|
||||
printf(" %12s", "SEGSZ");
|
||||
if (option & PID)
|
||||
printf(" %12s %12s", "CPID", "LPID");
|
||||
if (option & TIME)
|
||||
printf(" %-8s %-8s %-8s", "ATIME", "DTIME", "CTIME");
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
void
|
||||
print_kshmptr(int i, int option, struct shmid_kernel *kshmptr)
|
||||
{
|
||||
char atime_buf[100], dtime_buf[100], ctime_buf[100];
|
||||
|
||||
cvt_time(kshmptr->u.shm_atime, atime_buf);
|
||||
cvt_time(kshmptr->u.shm_dtime, dtime_buf);
|
||||
cvt_time(kshmptr->u.shm_ctime, ctime_buf);
|
||||
|
||||
printf("m %12d %12d %s %8s %8s",
|
||||
IXSEQ_TO_IPCID(i, kshmptr->u.shm_perm),
|
||||
(int)kshmptr->u.shm_perm.key,
|
||||
fmt_perm(kshmptr->u.shm_perm.mode),
|
||||
user_from_uid(kshmptr->u.shm_perm.uid, 0),
|
||||
group_from_gid(kshmptr->u.shm_perm.gid, 0));
|
||||
|
||||
if (option & CREATOR)
|
||||
printf(" %8s %8s",
|
||||
user_from_uid(kshmptr->u.shm_perm.cuid, 0),
|
||||
group_from_gid(kshmptr->u.shm_perm.cgid, 0));
|
||||
|
||||
if (option & OUTSTANDING)
|
||||
printf(" %12d",
|
||||
kshmptr->u.shm_nattch);
|
||||
|
||||
if (option & BIGGEST)
|
||||
printf(" %12d",
|
||||
kshmptr->u.shm_segsz);
|
||||
|
||||
if (option & PID)
|
||||
printf(" %12d %12d",
|
||||
kshmptr->u.shm_cpid,
|
||||
kshmptr->u.shm_lpid);
|
||||
|
||||
if (option & TIME)
|
||||
printf(" %s %s %s",
|
||||
atime_buf,
|
||||
dtime_buf,
|
||||
ctime_buf);
|
||||
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
void
|
||||
print_ksemtotal(struct seminfo seminfo)
|
||||
{
|
||||
|
||||
printf("seminfo:\n");
|
||||
printf("\tsemmap: %12d\t(# of entries in semaphore map)\n",
|
||||
seminfo.semmap);
|
||||
printf("\tsemmni: %12d\t(# of semaphore identifiers)\n",
|
||||
seminfo.semmni);
|
||||
printf("\tsemmns: %12d\t(# of semaphores in system)\n",
|
||||
seminfo.semmns);
|
||||
printf("\tsemmnu: %12d\t(# of undo structures in system)\n",
|
||||
seminfo.semmnu);
|
||||
printf("\tsemmsl: %12d\t(max # of semaphores per id)\n",
|
||||
seminfo.semmsl);
|
||||
printf("\tsemopm: %12d\t(max # of operations per semop call)\n",
|
||||
seminfo.semopm);
|
||||
printf("\tsemume: %12d\t(max # of undo entries per process)\n",
|
||||
seminfo.semume);
|
||||
printf("\tsemusz: %12d\t(size in bytes of undo structure)\n",
|
||||
seminfo.semusz);
|
||||
printf("\tsemvmx: %12d\t(semaphore maximum value)\n",
|
||||
seminfo.semvmx);
|
||||
printf("\tsemaem: %12d\t(adjust on exit max value)\n\n",
|
||||
seminfo.semaem);
|
||||
}
|
||||
|
||||
void
|
||||
print_ksemheader(int option) {
|
||||
|
||||
printf("Semaphores:\n");
|
||||
printf("T %12s %12s %-11s %-8s %-8s",
|
||||
"ID", "KEY", "MODE", "OWNER", "GROUP");
|
||||
if (option & CREATOR)
|
||||
printf(" %-8s %-8s", "CREATOR", "CGROUP");
|
||||
if (option & BIGGEST)
|
||||
printf(" %12s", "NSEMS");
|
||||
if (option & TIME)
|
||||
printf(" %-8s %-8s", "OTIME", "CTIME");
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
void
|
||||
print_ksemptr(int i, int option, struct semid_kernel *ksemaptr)
|
||||
{
|
||||
char ctime_buf[100], otime_buf[100];
|
||||
|
||||
cvt_time(ksemaptr->u.sem_otime, otime_buf);
|
||||
cvt_time(ksemaptr->u.sem_ctime, ctime_buf);
|
||||
|
||||
printf("s %12d %12d %s %8s %8s",
|
||||
IXSEQ_TO_IPCID(i, ksemaptr->u.sem_perm),
|
||||
(int)ksemaptr->u.sem_perm.key,
|
||||
fmt_perm(ksemaptr->u.sem_perm.mode),
|
||||
user_from_uid(ksemaptr->u.sem_perm.uid, 0),
|
||||
group_from_gid(ksemaptr->u.sem_perm.gid, 0));
|
||||
|
||||
if (option & CREATOR)
|
||||
printf(" %8s %8s",
|
||||
user_from_uid(ksemaptr->u.sem_perm.cuid, 0),
|
||||
group_from_gid(ksemaptr->u.sem_perm.cgid, 0));
|
||||
|
||||
if (option & BIGGEST)
|
||||
printf(" %12d",
|
||||
ksemaptr->u.sem_nsems);
|
||||
|
||||
if (option & TIME)
|
||||
printf(" %s %s",
|
||||
otime_buf,
|
||||
ctime_buf);
|
||||
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
void
|
||||
sysctlgatherstruct(void *addr, size_t size, struct scgs_vector *vecarr)
|
||||
{
|
||||
@ -677,6 +745,7 @@ usage(void)
|
||||
{
|
||||
|
||||
fprintf(stderr,
|
||||
"usage: ipcs [-abcmopqstyMQST] [-C corefile] [-N namelist] [-u user]\n");
|
||||
"usage: "
|
||||
"ipcs [-abcmopqstyMQST] [-C corefile] [-N namelist] [-u user]\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user