A lock is held while waiting for a long running or blocking operation to complete

Defect 101221 (STATIC_C)
Checker SLEEP (subcategory none)
File: /src/mongoc/mongoc-topology.c
Function _mongoc_topology_update_from_handshake
/src/mongoc/mongoc-topology.c, line: 834
Calling function "pthread_mutex_lock" acquires lock "topology->mutex".

       mongoc_mutex_lock (&topology->mutex);