libs/db47/patches/002-lock.patch

   1 diff -urN db-4.7.25.NC/lock/lock.c db-4.7.25.NC.new/lock/lock.c
   2 --- db-4.7.25.NC/lock/lock.c    2008-05-07 14:27:35.000000000 +0200
   3 +++ db-4.7.25.NC.new/lock/lock.c        2009-11-08 12:52:19.000000000 +0100
   4 @@ -1274,10 +1274,12 @@
   5                 SH_TAILQ_REMOVE(
   6                     &lt->obj_tab[obj_ndx], sh_obj, links, __db_lockobj);
   7                 if (sh_obj->lockobj.size > sizeof(sh_obj->objdata)) {
   8 -                       LOCK_REGION_LOCK(env);
   9 +                       if (region->part_t_size != 1)
  10 +                               LOCK_REGION_LOCK(env);
  11                         __env_alloc_free(&lt->reginfo,
  12                             SH_DBT_PTR(&sh_obj->lockobj));
  13 -                       LOCK_REGION_UNLOCK(env);
  14 +                       if (region->part_t_size != 1)
  15 +                               LOCK_REGION_UNLOCK(env);
  16                 }
  17                 SH_TAILQ_INSERT_HEAD(
  18                     &FREE_OBJS(lt, part_id), sh_obj, links, __db_lockobj);
  19 @@ -1467,15 +1469,21 @@
  20                 if (obj->size <= sizeof(sh_obj->objdata))
  21                         p = sh_obj->objdata;
  22                 else {
  23 -                       LOCK_REGION_LOCK(env);
  24 +                       /*
  25 +                        * If we have only one partition, the region is locked.
  26 +                        */
  27 +                       if (region->part_t_size != 1)
  28 +                               LOCK_REGION_LOCK(env);
  29                         if ((ret =
  30                             __env_alloc(&lt->reginfo, obj->size, &p)) != 0) {
  31                                 __db_errx(env,
  32                                     "No space for lock object storage");
  33 -                               LOCK_REGION_UNLOCK(env);
  34 +                               if (region->part_t_size != 1)
  35 +                                       LOCK_REGION_UNLOCK(env);
  36                                 goto err;
  37                         }
  38 -                       LOCK_REGION_UNLOCK(env);
  39 +                       if (region->part_t_size != 1)
  40 +                               LOCK_REGION_UNLOCK(env);
  41                 }
  42
  43                 memcpy(p, obj->data, obj->size);