Fix for CONPY-198:

Use CLOCK_MONOTONIC instead of CLOCK_MONOTOIC_RAW constant. The latter
one exists for Linux only.

Author: 9EOR9

mariadb/mariadb_connection.c

@@ -652,7 +652,7 @@ PyObject *MrdbConnection_close(MrdbConnection *self)
         if (!rc)
         {
             self->inuse= 0;
-            clock_gettime(CLOCK_MONOTONIC_RAW, &self->last_used);
+            clock_gettime(CLOCK_MONOTONIC, &self->last_used);
         }
         pthread_mutex_unlock(&self->pool->lock);
         Py_INCREF(Py_None);

mariadb/mariadb_pooling.c

@@ -194,7 +194,7 @@ MrdbPool_initialize(MrdbPool *self, PyObject *args, PyObject *kwargs)
             {
                 goto error;
             }
-            clock_gettime(CLOCK_MONOTONIC_RAW, &self->connection[i]->last_used);
+            clock_gettime(CLOCK_MONOTONIC, &self->connection[i]->last_used);
             self->connection[i]->pool= self;
         }
         self->connection_cnt= self->pool_size;
@@ -475,7 +475,7 @@ MrdbPool_addconnection(MrdbPool *self, PyObject *args)
             Py_INCREF(conn);
             self->connection[i]= conn; 
             self->connection[i]->inuse= 0;
-            clock_gettime(CLOCK_MONOTONIC_RAW, &self->connection[i]->last_used);
+            clock_gettime(CLOCK_MONOTONIC, &self->connection[i]->last_used);
             conn->pool= self;
             pthread_mutex_unlock(&self->lock);
             Py_RETURN_NONE;