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

Defect 103554 (STATIC_C)
Checker SLEEP (subcategory none)
File: /src/libmongoc/tests/mock_server/mock-server.c
Function main_thread
/src/libmongoc/tests/mock_server/mock-server.c, line: 1577
Calling function "pthread_mutex_lock" acquires lock "server->mutex".

             bson_mutex_lock (&server->mutex);