* 01 Sept 2004 - Rodney Radford <rradford@mindspring.com>
* Adapted for busybox from util-linux-2.12a.
*
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
-#include "libbb.h"
-#include <errno.h>
-#include <time.h>
-#include <pwd.h>
-#include <grp.h>
+//usage:#define ipcs_trivial_usage
+//usage: "[[-smq] -i shmid] | [[-asmq] [-tcplu]]"
+//usage:#define ipcs_full_usage "\n\n"
+//usage: " -i Show specific resource"
+//usage: "\nResource specification:"
+//usage: "\n -m Shared memory segments"
+//usage: "\n -q Message queues"
+//usage: "\n -s Semaphore arrays"
+//usage: "\n -a All (default)"
+//usage: "\nOutput format:"
+//usage: "\n -t Time"
+//usage: "\n -c Creator"
+//usage: "\n -p Pid"
+//usage: "\n -l Limits"
+//usage: "\n -u Summary"
/* X/OPEN tells us to use <sys/{types,ipc,sem}.h> for semctl() */
/* X/OPEN tells us to use <sys/{types,ipc,msg}.h> for msgctl() */
#include <sys/msg.h>
#include <sys/shm.h>
-
+#include "libbb.h"
/*-------------------------------------------------------------------*/
/* SHM_DEST and SHM_LOCKED are defined in kernel headers,
#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;
+ unsigned long shm_tot; /* total allocated shm */
+ unsigned long shm_rss; /* total resident shm */
+ unsigned long shm_swp; /* total swapped shm */
+ unsigned long swap_attempts;
+ unsigned long swap_successes;
};
#endif
union semun {
int val;
struct semid_ds *buf;
- unsigned short int *array;
+ unsigned short *array;
struct seminfo *__buf;
};
#endif
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);
+ pw = getpwuid(ipcp->cuid);
+ if (pw) printf(" %-10s", pw->pw_name);
+ else printf(" %-10d", ipcp->cuid);
+ gr = getgrgid(ipcp->cgid);
+ if (gr) printf(" %-10s", gr->gr_name);
+ else printf(" %-10d", ipcp->cgid);
+
+ pw = getpwuid(ipcp->uid);
+ if (pw) printf(" %-10s", pw->pw_name);
+ else printf(" %-10d", ipcp->uid);
+ gr = getgrgid(ipcp->gid);
+ if (gr) printf(" %-10s\n", gr->gr_name);
+ else printf(" %-10d\n", ipcp->gid);
}
-static void do_shm(void)
+static NOINLINE void do_shm(void)
{
int maxid, shmid, id;
struct shmid_ds shmseg;
}
-static void do_sem(void)
+static NOINLINE void do_sem(void)
{
int maxid, semid, id;
struct semid_ds semary;
struct passwd *pw;
union semun arg;
- arg.array = (ushort *) (void *) &seminfo;
+ arg.array = (unsigned short *) (void *) &seminfo;
maxid = semctl(0, 0, SEM_INFO, arg);
if (maxid < 0) {
printf("kernel not configured for %s\n", "semaphores");
switch (format) {
case LIMITS:
printf("------ Semaphore %s --------\n", "Limits");
- arg.array = (ushort *) (void *) &seminfo; /* damn union */
+ arg.array = (unsigned short *) (void *) &seminfo; /* damn union */
if ((semctl(0, 0, IPC_INFO, arg)) < 0)
return;
printf("max number of arrays = %d\n"
}
-static void do_msg(void)
+static NOINLINE void do_msg(void)
{
int maxid, msqid, id;
struct msqid_ds msgque;
}
printf("%-10d %-10d %-10d %-10d %-10d\n", i, val, ncnt, zcnt, pid);
}
- puts("");
+ bb_putchar('\n');
}
-int ipcs_main(int argc, char **argv);
-int ipcs_main(int argc, char **argv)
+int ipcs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int ipcs_main(int argc UNUSED_PARAM, char **argv)
{
int id = 0;
unsigned flags = 0;
#define flag_sem (1<<2)
#define flag_shm (1<<3)
- opt = getopt32(argc, argv, "i:aqsmtcplu", &opt_i);
+ opt = getopt32(argv, "i:aqsmtcplu", &opt_i);
if (opt & 0x1) { // -i
id = xatoi(opt_i);
flags |= flag_print;
if (flags & flag_print) {
if (flags & flag_shm) {
print_shm(id);
- fflush_stdout_and_exit(0);
+ fflush_stdout_and_exit(EXIT_SUCCESS);
}
if (flags & flag_sem) {
print_sem(id);
- fflush_stdout_and_exit(0);
+ fflush_stdout_and_exit(EXIT_SUCCESS);
}
if (flags & flag_msg) {
print_msg(id);
- fflush_stdout_and_exit(0);
+ fflush_stdout_and_exit(EXIT_SUCCESS);
}
bb_show_usage();
}
if (!(flags & (flag_shm | flag_msg | flag_sem)))
flags |= flag_msg | flag_shm | flag_sem;
- puts("");
+ bb_putchar('\n');
if (flags & flag_shm) {
do_shm();
- puts("");
+ bb_putchar('\n');
}
if (flags & flag_sem) {
do_sem();
- puts("");
+ bb_putchar('\n');
}
if (flags & flag_msg) {
do_msg();
- puts("");
+ bb_putchar('\n');
}
- fflush_stdout_and_exit(0);
+ fflush_stdout_and_exit(EXIT_SUCCESS);
}
projects / oweals / busybox.git / blobdiff