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-rw-r--r--src/shared/libosmocore/include/osmocom/core/signal.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/shared/libosmocore/include/osmocom/core/signal.h b/src/shared/libosmocore/include/osmocom/core/signal.h
new file mode 100644
index 0000000..2442e51
--- /dev/null
+++ b/src/shared/libosmocore/include/osmocom/core/signal.h
@@ -0,0 +1,37 @@
+#ifndef OSMO_SIGNAL_H
+#define OSMO_SIGNAL_H
+
+#include <stdint.h>
+
+/* subsystem signaling numbers: we split the numberspace for applications and
+ * libraries: from 0 to UINT_MAX/2 for applications, from UINT_MAX/2 to
+ * UINT_MAX for libraries. */
+#define OSMO_SIGNAL_SS_APPS 0
+#define OSMO_SIGNAL_SS_RESERVED 2147483648
+
+/* signal subsystems. */
+enum {
+ SS_L_GLOBAL = OSMO_SIGNAL_SS_RESERVED,
+ SS_L_INPUT,
+};
+
+/* application-defined signal types. */
+#define OSMO_SIGNAL_T_APPS 0
+#define OSMO_SIGNAL_T_RESERVED 2147483648
+
+/* signal types. */
+enum {
+ S_L_GLOBAL_SHUTDOWN = OSMO_SIGNAL_T_RESERVED,
+};
+
+typedef int osmo_signal_cbfn(unsigned int subsys, unsigned int signal, void *handler_data, void *signal_data);
+
+
+/* Management */
+int osmo_signal_register_handler(unsigned int subsys, osmo_signal_cbfn *cbfn, void *data);
+void osmo_signal_unregister_handler(unsigned int subsys, osmo_signal_cbfn *cbfn, void *data);
+
+/* Dispatch */
+void osmo_signal_dispatch(unsigned int subsys, unsigned int signal, void *signal_data);
+
+#endif /* OSMO_SIGNAL_H */