From: Howard Chu <hyc@openldap.org>
Date: Sun, 27 Aug 2023 14:37:34 +0000 (+0100)
Subject: ITS#10095 partial revert of ITS#9278 2fd44e325195ae81664eb5dc36e7d265927c5ebc
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3dde6c46e6c55458eadaf7f81492c822414be2c7;p=thirdparty%2Fopenldap.git

ITS#10095 partial revert of ITS#9278 2fd44e325195ae81664eb5dc36e7d265927c5ebc

The patch was incorrect and introduced numerous race conditions.
The original problem was a FreeBSD bug, subsequently fixed:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=269277
---

diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index 6e4c4d04bf..965ba2a2b8 100644
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -5824,17 +5824,6 @@ mdb_env_close0(MDB_env *env, int excl)
 			if (excl > 0)
 				semctl(env->me_rmutex->semid, 0, IPC_RMID);
 		}
-#elif defined(MDB_ROBUST_SUPPORTED)
-		/* If we have the filelock:  If we are the
-		 * only remaining user, clean up robust
-		 * mutexes.
-		 */
-		if (excl == 0)
-			mdb_env_excl_lock(env, &excl);
-		if (excl > 0) {
-			pthread_mutex_destroy(env->me_txns->mti_rmutex);
-			pthread_mutex_destroy(env->me_txns->mti_wmutex);
-		}
 #endif
 		munmap((void *)env->me_txns, (env->me_maxreaders-1)*sizeof(MDB_reader)+sizeof(MDB_txninfo));
 	}