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| author | Sverker Eriksson <[email protected]> | 2016-07-08 15:37:05 +0200 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2016-07-08 15:37:05 +0200 |
| commit | 75fc0b498602e6d11961567a737a9e4163d498b7 (patch) | |
| tree | 11909a3f67faa1ff29c89b9706eae62abdd23c9f | |
| parent | 5cf780148575f1ea4c460d7c9783831e6fbce9ff (diff) | |
| download | otp-75fc0b498602e6d11961567a737a9e4163d498b7.tar.gz otp-75fc0b498602e6d11961567a737a9e4163d498b7.tar.bz2 otp-75fc0b498602e6d11961567a737a9e4163d498b7.zip | |
erts: Optimize db_finalize_dbterm_hash
Always free term after WUNLOCK_HASH
| -rw-r--r-- | erts/emulator/beam/erl_db_hash.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/erts/emulator/beam/erl_db_hash.c b/erts/emulator/beam/erl_db_hash.c index fa925c94a5..ccffc2767a 100644 --- a/erts/emulator/beam/erl_db_hash.c +++ b/erts/emulator/beam/erl_db_hash.c @@ -2916,6 +2916,7 @@ db_finalize_dbterm_hash(int cret, DbUpdateHandle* handle) HashDbTerm **bp = (HashDbTerm **) handle->bp; HashDbTerm *b = *bp; erts_smp_rwmtx_t* lck = (erts_smp_rwmtx_t*) handle->lck; + HashDbTerm* free_me = NULL; ERTS_SMP_LC_ASSERT(IS_HASH_WLOCKED(tb, lck)); /* locked by db_lookup_dbterm_hash */ @@ -2927,7 +2928,7 @@ db_finalize_dbterm_hash(int cret, DbUpdateHandle* handle) b->hvalue = INVALID_HASH; } else { *bp = b->next; - free_term(tb, b); + free_me = b; } WUNLOCK_HASH(lck); @@ -2936,12 +2937,15 @@ db_finalize_dbterm_hash(int cret, DbUpdateHandle* handle) } else if (handle->flags & DB_MUST_RESIZE) { db_finalize_resize(handle, offsetof(HashDbTerm,dbterm)); WUNLOCK_HASH(lck); - - free_term(tb, b); + free_me = b; } else { WUNLOCK_HASH(lck); } + + if (free_me) + free_term(tb, free_me); + #ifdef DEBUG handle->dbterm = 0; #endif |