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diff --git a/src/mds-registry/globals.h b/src/mds-registry/globals.h
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+/**
+ * mds — A micro-display server
+ * Copyright © 2014  Mattias Andrée (maandree@member.fsf.org)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef MDS_MDS_REGISTRY_GLOBALS_H
+#define MDS_MDS_REGISTRY_GLOBALS_H
+
+
+#include <libmdsserver/mds-message.h>
+#include <libmdsserver/hash-table.h>
+
+#include <stdint.h>
+#include <stddef.h>
+#include <pthread.h>
+
+
+
+/**
+ * Value of the ‘Message ID’ header for the next message
+ */
+extern int32_t message_id;
+
+/**
+ * Buffer for received messages
+ */
+extern mds_message_t received;
+
+/**
+ * Whether the server is connected to the display
+ */
+extern int connected;
+
+/**
+ * Protocol registry table
+ */
+extern hash_table_t reg_table;
+
+/**
+ * Reusable buffer for data to send
+ */
+extern char* send_buffer;
+
+/**
+ * The size of `send_buffer`
+ */
+extern size_t send_buffer_size;
+
+/**
+ * General mutex
+ */
+extern pthread_mutex_t reg_mutex;
+
+/**
+ * General condition
+ */
+extern pthread_cond_t reg_cond;
+
+/**
+ * Used to temporarily store the old value when reallocating heap-allocations
+ */
+extern char* old;
+
+
+#endif
+