From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 30954 invoked by alias); 6 Aug 2009 15:05:12 -0000 Received: (qmail 30934 invoked by uid 9796); 6 Aug 2009 15:05:11 -0000 Date: Thu, 06 Aug 2009 15:05:00 -0000 Message-ID: <20090806150511.30932.qmail@sourceware.org> From: prajnoha@sourceware.org To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org Subject: LVM2/tools dmsetup.c Mailing-List: contact lvm2-cvs-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: lvm2-cvs-owner@sourceware.org X-SW-Source: 2009-08/txt/msg00032.txt.bz2 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 #include #include +#include #include #include @@ -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", "[]", 0, 1, _mknodes}, {"udevcomplete", "", 1, 1, _udevcomplete}, {"udevcomplete_all", "", 0, 0, _udevcomplete_all}, + {"udevcookies", "", 0, 0, _udevcookies}, {"targets", "", 0, 0, _targets}, {"version", "", 0, 0, _version}, {"setgeometry", " ", 5, 5, _setgeometry},