-int writer_close(Writer *s) {
- if (s->journal)
- journal_file_close(s->journal);
- if (s->mmap)
- mmap_cache_unref(s->mmap);
- return 0;
+Writer* writer_free(Writer *w) {
+ if (!w)
+ return NULL;
+
+ if (w->journal) {
+ log_debug("Closing journal file %s.", w->journal->path);
+ journal_file_close(w->journal);
+ }
+
+ if (w->server && w->hashmap_key)
+ hashmap_remove(w->server->writers, w->hashmap_key);
+
+ free(w->hashmap_key);
+
+ if (w->mmap)
+ mmap_cache_unref(w->mmap);
+
+ free(w);
+
+ return NULL;
+}
+
+Writer* writer_unref(Writer *w) {
+ if (w && (-- w->n_ref <= 0))
+ writer_free(w);
+
+ return NULL;
+}
+
+Writer* writer_ref(Writer *w) {
+ if (w)
+ assert_se(++ w->n_ref >= 2);
+
+ return w;