@@ -257,14 +257,18 @@ pqsecure_open_client(PGconn *conn)
257257/* First time through? */
258258if (conn -> ssl == NULL )
259259{
260+ #ifdef ENABLE_THREAD_SAFETY
261+ int rc ;
262+ #endif
263+
260264/* We cannot use MSG_NOSIGNAL to block SIGPIPE when using SSL */
261265conn -> sigpipe_flag = false;
262266
263267#ifdef ENABLE_THREAD_SAFETY
264- if (pthread_mutex_lock (& ssl_config_mutex ))
268+ if (( rc = pthread_mutex_lock (& ssl_config_mutex ) ))
265269{
266270printfPQExpBuffer (& conn -> errorMessage ,
267- libpq_gettext ("unable to acquire mutex\n" ));
271+ libpq_gettext ("could not acquire mutex: %s \n" ), strerror ( rc ));
268272return PGRES_POLLING_FAILED ;
269273}
270274#endif
@@ -1114,10 +1118,12 @@ initialize_SSL(PGconn *conn)
11141118 * SSL_context struct.
11151119 */
11161120#ifdef ENABLE_THREAD_SAFETY
1117- if (pthread_mutex_lock (& ssl_config_mutex ))
1121+ int rc ;
1122+
1123+ if ((rc = pthread_mutex_lock (& ssl_config_mutex )))
11181124{
11191125printfPQExpBuffer (& conn -> errorMessage ,
1120- libpq_gettext ("unable to acquire mutex\n" ));
1126+ libpq_gettext ("could not acquire mutex: %s \n" ), strerror ( rc ));
11211127return -1 ;
11221128}
11231129#endif
@@ -1332,10 +1338,12 @@ initialize_SSL(PGconn *conn)
13321338X509_STORE * cvstore ;
13331339
13341340#ifdef ENABLE_THREAD_SAFETY
1335- if (pthread_mutex_lock (& ssl_config_mutex ))
1341+ int rc ;
1342+
1343+ if ((rc = pthread_mutex_lock (& ssl_config_mutex )))
13361344{
13371345printfPQExpBuffer (& conn -> errorMessage ,
1338- libpq_gettext ("unable to acquire mutex\n" ));
1346+ libpq_gettext ("could not acquire mutex: %s \n" ), strerror ( rc ));
13391347return -1 ;
13401348}
13411349#endif