diff options
Diffstat (limited to 'erts/emulator/beam/erl_db_hash.c')
| -rw-r--r-- | erts/emulator/beam/erl_db_hash.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/erts/emulator/beam/erl_db_hash.c b/erts/emulator/beam/erl_db_hash.c index 074ac6d64e..4c4ff9b470 100644 --- a/erts/emulator/beam/erl_db_hash.c +++ b/erts/emulator/beam/erl_db_hash.c @@ -671,8 +671,8 @@ int db_create_hash(Process *p, DbTable *tbl) tb->nsegs = NSEG_1; tb->nslots = SEGSZ; -#ifdef ERTS_SMP erts_smp_atomic_init_nob(&tb->is_resizing, 0); +#ifdef ERTS_SMP if (tb->common.type & DB_FINE_LOCKED) { erts_smp_rwmtx_opt_t rwmtx_opt = ERTS_SMP_RWMTX_OPT_DEFAULT_INITER; int i; @@ -2605,22 +2605,23 @@ static Eterm build_term_list(Process* p, HashDbTerm* ptr1, HashDbTerm* ptr2, static ERTS_INLINE int begin_resizing(DbTableHash* tb) { -#ifdef ERTS_SMP if (DB_USING_FINE_LOCKING(tb)) - return !erts_atomic_xchg_acqb(&tb->is_resizing, 1); - else - ERTS_LC_ASSERT(erts_lc_rwmtx_is_rwlocked(&tb->common.rwlock)); -#endif - return 1; + return !erts_smp_atomic_xchg_acqb(&tb->is_resizing, 1); + else { + if (erts_smp_atomic_read_nob(&tb->is_resizing)) + return 0; + erts_smp_atomic_set_nob(&tb->is_resizing, 1); + return 1; + } } static ERTS_INLINE void done_resizing(DbTableHash* tb) { -#ifdef ERTS_SMP if (DB_USING_FINE_LOCKING(tb)) - erts_atomic_set_relb(&tb->is_resizing, 0); -#endif + erts_smp_atomic_set_relb(&tb->is_resizing, 0); + else + erts_smp_atomic_set_nob(&tb->is_resizing, 0); } /* Grow table with one new bucket. |