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-rw-r--r--external/db_drivers/liblmdb/mdb.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/external/db_drivers/liblmdb/mdb.c b/external/db_drivers/liblmdb/mdb.c
index b3de9702f..87b244ce7 100644
--- a/external/db_drivers/liblmdb/mdb.c
+++ b/external/db_drivers/liblmdb/mdb.c
@@ -304,7 +304,8 @@ union semun {
# else
# define MDB_USE_ROBUST 1
/* glibc < 2.12 only provided _np API */
-# if defined(__GLIBC__) && GLIBC_VER < 0x02000c
+# if (defined(__GLIBC__) && GLIBC_VER < 0x02000c) || \
+ (defined(PTHREAD_MUTEX_ROBUST_NP) && !defined(PTHREAD_MUTEX_ROBUST))
# define PTHREAD_MUTEX_ROBUST PTHREAD_MUTEX_ROBUST_NP
# define pthread_mutexattr_setrobust(attr, flag) pthread_mutexattr_setrobust_np(attr, flag)
# define pthread_mutex_consistent(mutex) pthread_mutex_consistent_np(mutex)
@@ -4977,6 +4978,13 @@ mdb_env_setup_locks(MDB_env *env, char *lpath, int mode, int *excl)
#else /* MDB_USE_POSIX_MUTEX: */
pthread_mutexattr_t mattr;
+ /* Solaris needs this before initing a robust mutex. Otherwise
+ * it may skip the init and return EBUSY "seems someone already
+ * inited" or EINVAL "it was inited differently".
+ */
+ memset(env->me_txns->mti_rmutex, 0, sizeof(*env->me_txns->mti_rmutex));
+ memset(env->me_txns->mti_wmutex, 0, sizeof(*env->me_txns->mti_wmutex));
+
if ((rc = pthread_mutexattr_init(&mattr))
|| (rc = pthread_mutexattr_setpshared(&mattr, PTHREAD_PROCESS_SHARED))
#ifdef MDB_ROBUST_SUPPORTED