Michael Schröder
a6846b83ca
* updated python bindings * new transaction ordering code OBS-URL: https://build.opensuse.org/package/show/Base:System/rpm?expand=0&rev=40
98 lines
2.9 KiB
Diff
98 lines
2.9 KiB
Diff
Fix global (DB_PRIVATE) lock code: fix recursion counter, retry
|
|
failed lock operations for up to 3 minutes.
|
|
|
|
--- ./lib/backend/db3.c.orig 2010-03-25 14:44:42.000000000 +0000
|
|
+++ ./lib/backend/db3.c 2010-03-25 14:52:05.000000000 +0000
|
|
@@ -394,6 +394,8 @@ 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;
|
|
@@ -414,6 +416,9 @@ static int db3close(dbiIndex dbi, unsign
|
|
rpmlog(RPMLOG_DEBUG, "closed db index %s/%s\n",
|
|
dbhome, dbi->dbi_file);
|
|
|
|
+ if (dbi->dbi_lockdbfd &&
|
|
+ _lockdbfd)
|
|
+ _lockdbfd--;
|
|
}
|
|
|
|
if (rpmdb->db_dbenv != NULL && dbi->dbi_use_dbenv) {
|
|
@@ -645,8 +651,6 @@ 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) {
|
|
@@ -810,6 +814,7 @@ 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;
|
|
@@ -819,24 +824,39 @@ 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 &&
|
|
- (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, dbi->dbi_file);
|
|
- } else {
|
|
- rpmlog(RPMLOG_DEBUG,
|
|
- "locked db index %s/%s\n",
|
|
- dbhome, dbi->dbi_file);
|
|
+ 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);
|
|
+ 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, dbi->dbi_file);
|
|
+ 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, dbi->dbi_file);
|
|
+ } else {
|
|
+ rpmlog(RPMLOG_DEBUG,
|
|
+ "locked db index %s/%s\n",
|
|
+ dbhome, dbi->dbi_file);
|
|
+ }
|
|
+ break;
|
|
}
|
|
}
|
|
+ if (rc && dbi->dbi_use_dbenv)
|
|
+ _lockdbfd--;
|
|
}
|
|
}
|
|
}
|