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

Defect 101220 (STATIC_C)
Checker SLEEP (subcategory none)
File: /src/mongoc/mongoc-topology.c
Function mongoc_topology_select_server_id
/src/mongoc/mongoc-topology.c, line: 623
Calling function "pthread_mutex_lock" acquires lock "topology->mutex".

          mongoc_mutex_lock (&topology->mutex);