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From: prajnoha@sourceware.org
To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org
Subject: LVM2/tools dmsetup.c
Date: Thu, 06 Aug 2009 15:05:00 -0000 [thread overview]
Message-ID: <20090806150511.30932.qmail@sourceware.org> (raw)
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: prajnoha@sourceware.org 2009-08-06 15:05:11
Modified files:
tools : dmsetup.c
Log message:
Add 'udevcookies' command for dmsetup.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/tools/dmsetup.c.diff?cvsroot=lvm2&r1=1.121&r2=1.122
--- LVM2/tools/dmsetup.c 2009/08/06 15:04:30 1.121
+++ LVM2/tools/dmsetup.c 2009/08/06 15:05:10 1.122
@@ -36,6 +36,7 @@
#include <sys/param.h>
#include <locale.h>
#include <langinfo.h>
+#include <time.h>
#include <fcntl.h>
#include <sys/stat.h>
@@ -853,6 +854,45 @@
}
#endif
+static int _udevcookies(int argc __attribute((unused)), char **argv __attribute((unused)), void *data __attribute((unused)))
+{
+ int max_id, id, sid;
+ struct seminfo sinfo;
+ struct semid_ds sdata;
+ int val;
+ char *time_str;
+
+ if ((max_id = semctl(0, 0, SEM_INFO, &sinfo)) < 0) {
+ log_sys_error("sem_ctl", "SEM_INFO");
+ return 0;
+ }
+
+ printf("cookie semid value last_semop_time\n");
+
+ for (id = 0; id <= max_id; id++) {
+ if ((sid = semctl(id, 0, SEM_STAT, &sdata)) < 0)
+ continue;
+
+ if (sdata.sem_perm.__key >> 16 == DM_COOKIE_MAGIC) {
+ if ((val = semctl(sid, 0, GETVAL)) < 0) {
+ log_error("semid %d: sem_ctl failed for "
+ "cookie 0x%" PRIx32 ": %s",
+ sid, sdata.sem_perm.__key,
+ strerror(errno));
+ continue;
+ }
+
+ time_str = ctime((const time_t *) &sdata.sem_otime);
+
+ printf("0x%-10x %-10d %-10d %s", sdata.sem_perm.__key,
+ sid, val, time_str ? time_str : "unknown");
+ }
+ }
+
+ return 1;
+}
+
+
static int _version(int argc __attribute((unused)), char **argv __attribute((unused)), void *data __attribute((unused)))
{
char version[80];
@@ -2385,6 +2425,7 @@
{"mknodes", "[<device>]", 0, 1, _mknodes},
{"udevcomplete", "<cookie>", 1, 1, _udevcomplete},
{"udevcomplete_all", "", 0, 0, _udevcomplete_all},
+ {"udevcookies", "", 0, 0, _udevcookies},
{"targets", "", 0, 0, _targets},
{"version", "", 0, 0, _version},
{"setgeometry", "<device> <cyl> <head> <sect> <start>", 5, 5, _setgeometry},
next reply other threads:[~2009-08-06 15:05 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-06 15:05 prajnoha [this message]
-- strict thread matches above, loose matches on Subject: below --
2012-03-01 21:50 zkabelac
2012-02-15 14:27 zkabelac
2012-02-15 14:21 prajnoha
2012-01-20 10:58 zkabelac
2011-12-01 14:57 agk
2011-03-29 21:56 zkabelac
2010-12-20 14:36 zkabelac
2010-11-30 22:53 zkabelac
2010-10-25 13:36 zkabelac
2010-07-08 13:31 zkabelac
2010-07-05 22:56 agk
2009-12-11 13:04 zkabelac
2009-08-06 15:56 prajnoha
2008-10-31 18:53 agk
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