rpm/waitlock.diff
OBS User autobuild a76d6c30a2 Accepting request 18841 from Base:System
Copy from Base:System/rpm based on submit request 18841 from user mlschroe

OBS-URL: https://build.opensuse.org/request/show/18841
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/rpm?expand=0&rev=84
2009-08-28 13:54:03 +00:00

99 lines
3.0 KiB
Diff

Fix global (DB_PRIVATE) lock code: fix recursion counter, retry
failed lock operations for up to 3 minutes.
Index: lib/backend/db3.c
===================================================================
--- lib/backend/db3.c.orig
+++ lib/backend/db3.c
@@ -586,6 +586,8 @@ static int db3stat(dbiIndex dbi, unsigne
return rc;
}
+static int _lockdbfd = 0;
+
static int db3close(dbiIndex dbi, unsigned int flags)
{
rpmdb rpmdb = dbi->dbi_rpmdb;
@@ -632,6 +634,10 @@ static int db3close(dbiIndex dbi, unsign
rpmlog(RPMLOG_DEBUG, "closed db index %s/%s\n",
dbhome, (dbfile ? dbfile : rpmTagGetName(dbi->dbi_rpmtag)));
+ if (dbi->dbi_lockdbfd &&
+ !((dbi->dbi_ecflags & DB_CLIENT) && dbi->dbi_host) &&
+ _lockdbfd)
+ _lockdbfd--;
}
if (rpmdb->db_dbenv != NULL && dbi->dbi_use_dbenv) {
@@ -899,8 +905,6 @@ static int db3open(rpmdb rpmdb, rpmTag r
}
if (rc == 0) {
- static int _lockdbfd = 0;
-
rc = db_create(&db, dbenv, dbi->dbi_cflags);
rc = cvtdberr(dbi, "db_create", rc, _debug);
if (rc == 0 && db != NULL) {
@@ -1082,6 +1086,7 @@ static int db3open(rpmdb rpmdb, rpmTag r
if (!(db->fd(db, &fdno) == 0 && fdno >= 0)) {
rc = 1;
} else {
+ int tries;
struct flock l;
memset(&l, 0, sizeof(l));
l.l_whence = 0;
@@ -1091,24 +1096,40 @@ static int db3open(rpmdb rpmdb, rpmTag r
? F_RDLCK : F_WRLCK;
l.l_pid = 0;
- rc = fcntl(fdno, F_SETLK, (void *) &l);
- if (rc) {
- /* Warning iff using non-private CDB locking. */
- rc = ((dbi->dbi_use_dbenv &&
+ for (tries = 0; ; tries++) {
+ rc = fcntl(fdno, F_SETLK, (void *) &l);
+ if (rc) {
+ rc = ((dbi->dbi_use_dbenv &&
(dbi->dbi_eflags & DB_INIT_CDB) &&
!(dbi->dbi_eflags & DB_PRIVATE))
- ? 0 : 1);
- rpmlog( (rc ? RPMLOG_ERR : RPMLOG_WARNING),
- _("cannot get %s lock on %s/%s\n"),
- ((dbi->dbi_mode & O_ACCMODE) == O_RDONLY)
- ? _("shared") : _("exclusive"),
- dbhome, (dbfile ? dbfile : ""));
- } else if (dbfile) {
- rpmlog(RPMLOG_DEBUG,
- "locked db index %s/%s\n",
- dbhome, dbfile);
+ ? 0 : 1);
+ if (errno == EAGAIN && rc) {
+ struct timespec ts;
+ if (tries == 0)
+ rpmlog(RPMLOG_WARNING, _("waiting for %s lock on %s/%s\n"), ((dbi->dbi_mode & (O_RDWR|O_WRONLY)) ? _("exclusive") : _("shared")), dbhome, (dbfile ? dbfile : ""));
+ ts.tv_sec = (time_t)0;
+ ts.tv_nsec = 100000000;
+ if (tries < 10*60*3) {
+ nanosleep(&ts, (struct timespec *)0);
+ continue;
+ }
+ }
+ rpmlog( (rc ? RPMLOG_ERR : RPMLOG_WARNING),
+ _("cannot get %s lock on %s/%s\n"),
+ ((dbi->dbi_mode & O_ACCMODE) == O_RDONLY)
+ ? _("shared") : _("exclusive"),
+ dbhome, (dbfile ? dbfile : ""));
+ } else if (dbfile) {
+ rpmlog(RPMLOG_DEBUG,
+ "locked db index %s/%s\n",
+ dbhome, dbfile);
+ break;
+ }
+
}
}
+ if (rc && dbi->dbi_use_dbenv)
+ _lockdbfd--;
}
}
}