| #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_GLOBAL = OSMO_SIGNAL_SS_RESERVED, |
| SS_INPUT, |
| }; |
| |
| /* application-defined signal types. */ |
| #define OSMO_SIGNAL_T_APPS 0 |
| #define OSMO_SIGNAL_T_RESERVED 2147483648 |
| |
| /* signal types. */ |
| enum { |
| S_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 */ |