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#pragma once
#include <stdint.h>
/*! \defgroup signal Intra-application signals
* @{
* \file signal.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 2147483648u
/*! signal subsystems */
enum {
SS_L_GLOBAL = OSMO_SIGNAL_SS_RESERVED,
SS_L_INPUT,
SS_L_NS,
SS_L_VTY,
};
/* application-defined signal types. */
#define OSMO_SIGNAL_T_APPS 0
#define OSMO_SIGNAL_T_RESERVED 2147483648u
/*! signal types. */
enum {
S_L_GLOBAL_SHUTDOWN = OSMO_SIGNAL_T_RESERVED,
};
/*! signal callback function type */
typedef int osmo_signal_cbfn(unsigned int subsys, unsigned int signal, void *handler_data, void *signal_data);
/* Management */
void *osmo_signal_talloc_ctx_init(void *root_ctx);
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);
/*! @} */
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