1 files changed, 76 insertions, 0 deletions
diff --git a/src/core/signals.h b/src/core/signals.h
new file mode 100644
index 0000000..0fa005a
--- /dev/null
+++ b/src/core/signals.h
@@ -0,0 +1,76 @@
+#ifndef IRSSI_CORE_SIGNALS_H
+#define IRSSI_CORE_SIGNALS_H
+
+#define SIGNAL_PRIORITY_LOW    	100
+#define SIGNAL_PRIORITY_DEFAULT	0
+#define SIGNAL_PRIORITY_HIGH	-100
+
+#define SIGNAL_MAX_ARGUMENTS 6
+typedef void (*SIGNAL_FUNC) (const void *, const void *,
+			     const void *, const void *,
+			     const void *, const void *);
+
+extern void *signal_user_data; /* use signal_get_user_data() macro to access */
+
+/* bind a signal */
+void signal_add_full(const char *module, int priority,
+		     const char *signal, SIGNAL_FUNC func, void *user_data);
+void signal_add_full_id(const char *module, int priority,
+			int signal, SIGNAL_FUNC func, void *user_data);
+#define signal_add(signal, func) \
+	signal_add_full(MODULE_NAME, SIGNAL_PRIORITY_DEFAULT, (signal), (SIGNAL_FUNC) (func), NULL)
+#define signal_add_first(signal, func) \
+	signal_add_full(MODULE_NAME, SIGNAL_PRIORITY_HIGH, (signal), (SIGNAL_FUNC) (func), NULL)
+#define signal_add_last(signal, func) \
+	signal_add_full(MODULE_NAME, SIGNAL_PRIORITY_LOW, (signal), (SIGNAL_FUNC) (func), NULL)
+
+#define signal_add_data(signal, func, data) \
+	signal_add_full(MODULE_NAME, SIGNAL_PRIORITY_DEFAULT, (signal), (SIGNAL_FUNC) (func), data)
+#define signal_add_first_data(signal, func, data) \
+	signal_add_full(MODULE_NAME, SIGNAL_PRIORITY_HIGH, (signal), (SIGNAL_FUNC) (func), data)
+#define signal_add_last_data(signal, func, data) \
+	signal_add_full(MODULE_NAME, SIGNAL_PRIORITY_LOW, (signal), (SIGNAL_FUNC) (func), data)
+
+/* unbind signal */
+void signal_remove_full(const char *signal, SIGNAL_FUNC func, void *user_data);
+#define signal_remove(signal, func) \
+        signal_remove_full((signal), (SIGNAL_FUNC) (func), NULL)
+#define signal_remove_data(signal, func, data) \
+        signal_remove_full((signal), (SIGNAL_FUNC) (func), data)
+void signal_remove_id(int signal_id, SIGNAL_FUNC func, void *user_data);
+
+/* emit signal */
+int signal_emit(const char *signal, int params, ...);
+int signal_emit_id(int signal_id, int params, ...);
+
+/* continue currently emitted signal with different parameters */
+void signal_continue(int params, ...);
+
+/* stop the current ongoing signal emission */
+void signal_stop(void);
+/* stop ongoing signal emission by signal name */
+void signal_stop_by_name(const char *signal);
+
+/* return the name of the signal that is currently being emitted */
+const char *signal_get_emitted(void);
+/* return the ID of the signal that is currently being emitted */
+int signal_get_emitted_id(void);
+/* return TRUE if specified signal was stopped */
+int signal_is_stopped(int signal_id);
+/* return the user data of the signal function currently being emitted */
+#define signal_get_user_data() signal_user_data
+
+/* remove all signals that belong to `module' */
+void signals_remove_module(const char *module);
+
+/* signal name -> ID */
+#define signal_get_uniq_id(signal) \
+        module_get_uniq_id_str("signals", signal)
+/* signal ID -> name */
+#define signal_get_id_str(signal_id) \
+	module_find_id_str("signals", signal_id)
+
+void signals_init(void);
+void signals_deinit(void);
+
+#endif