254 lines
9.3 KiB
C
254 lines
9.3 KiB
C
/* Prototypes for System Event Framework (SEF) functions. */
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#ifndef _SEF_H
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#define _SEF_H
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#include <minix/ipc.h>
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/* SEF entry points for system processes. */
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void sef_startup(void);
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int sef_receive_status(endpoint_t src, message *m_ptr, int *status_ptr);
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endpoint_t sef_self(void);
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void sef_cancel(void);
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void sef_exit(int status);
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#define sef_receive(src, m_ptr) sef_receive_status(src, m_ptr, NULL)
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/* SEF Debug. */
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#include <stdio.h>
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#define sef_dprint printf
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#define sef_debug_begin() (void)(NULL)
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#define sef_debug_end() (void)(NULL)
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/*===========================================================================*
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* SEF Init *
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*===========================================================================*/
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/* What to intercept. */
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#define INTERCEPT_SEF_INIT_REQUESTS 1
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#define IS_SEF_INIT_REQUEST(mp) ((mp)->m_type == RS_INIT \
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&& (mp)->m_source == RS_PROC_NR)
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/* Type definitions. */
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typedef struct {
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cp_grant_id_t rproctab_gid;
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endpoint_t endpoint;
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endpoint_t old_endpoint;
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} sef_init_info_t;
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/* Callback type definitions. */
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typedef int(*sef_cb_init_t)(int type, sef_init_info_t *info);
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typedef int(*sef_cb_init_response_t)(message *m_ptr);
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/* Callback registration helpers. */
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void sef_setcb_init_fresh(sef_cb_init_t cb);
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void sef_setcb_init_lu(sef_cb_init_t cb);
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void sef_setcb_init_restart(sef_cb_init_t cb);
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void sef_setcb_init_response(sef_cb_init_response_t cb);
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/* Predefined callback implementations. */
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int sef_cb_init_null(int type, sef_init_info_t *info);
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int sef_cb_init_response_null(message *m_ptr);
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int sef_cb_init_fail(int type, sef_init_info_t *info);
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int sef_cb_init_reset(int type, sef_init_info_t *info);
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int sef_cb_init_crash(int type, sef_init_info_t *info);
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int sef_cb_init_response_rs_reply(message *m_ptr);
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/* Macros for predefined callback implementations. */
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#define SEF_CB_INIT_FRESH_NULL sef_cb_init_null
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#define SEF_CB_INIT_LU_NULL sef_cb_init_null
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#define SEF_CB_INIT_RESTART_NULL sef_cb_init_null
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#define SEF_CB_INIT_RESPONSE_NULL sef_cb_init_response_null
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#define SEF_CB_INIT_FRESH_DEFAULT sef_cb_init_null
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#define SEF_CB_INIT_LU_DEFAULT sef_cb_init_null
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#define SEF_CB_INIT_RESTART_DEFAULT sef_cb_init_reset
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#define SEF_CB_INIT_RESPONSE_DEFAULT sef_cb_init_response_rs_reply
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/* Init types. */
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#define SEF_INIT_FRESH 0 /* init fresh */
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#define SEF_INIT_LU 1 /* init after live update */
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#define SEF_INIT_RESTART 2 /* init after restart */
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/* Debug. */
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#define SEF_INIT_DEBUG_DEFAULT 0
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#ifndef SEF_INIT_DEBUG
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#define SEF_INIT_DEBUG SEF_INIT_DEBUG_DEFAULT
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#endif
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#define sef_init_dprint sef_dprint
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#define sef_init_debug_begin sef_debug_begin
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#define sef_init_debug_end sef_debug_end
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/*===========================================================================*
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* SEF Ping *
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*===========================================================================*/
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/* What to intercept. */
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#define INTERCEPT_SEF_PING_REQUESTS 1
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#define IS_SEF_PING_REQUEST(mp, status) (is_ipc_notify(status) \
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&& (mp)->m_source == RS_PROC_NR)
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/* Callback type definitions. */
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typedef void(*sef_cb_ping_reply_t)(endpoint_t source);
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/* Callback registration helpers. */
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void sef_setcb_ping_reply(sef_cb_ping_reply_t cb);
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/* Predefined callback implementations. */
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void sef_cb_ping_reply_null(endpoint_t source);
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void sef_cb_ping_reply_pong(endpoint_t source);
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/* Macros for predefined callback implementations. */
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#define SEF_CB_PING_REPLY_NULL sef_cb_ping_reply_null
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#define SEF_CB_PING_REPLY_DEFAULT sef_cb_ping_reply_pong
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/* Debug. */
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#define SEF_PING_DEBUG_DEFAULT 0
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#ifndef SEF_PING_DEBUG
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#define SEF_PING_DEBUG SEF_PING_DEBUG_DEFAULT
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#endif
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#define sef_ping_dprint sef_dprint
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#define sef_ping_debug_begin sef_debug_begin
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#define sef_ping_debug_end sef_debug_end
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/*===========================================================================*
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* SEF Live update *
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*===========================================================================*/
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/* What to intercept. */
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#define INTERCEPT_SEF_LU_REQUESTS 1
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#define IS_SEF_LU_REQUEST(mp, status) ((mp)->m_type == RS_LU_PREPARE \
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&& (mp)->m_source == RS_PROC_NR)
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/* Callback type definitions. */
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typedef int(*sef_cb_lu_prepare_t)(int);
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typedef int(*sef_cb_lu_state_isvalid_t)(int);
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typedef void(*sef_cb_lu_state_changed_t)(int, int);
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typedef void(*sef_cb_lu_state_dump_t)(int);
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typedef int(*sef_cb_lu_state_save_t)(int);
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typedef int(*sef_cb_lu_response_t)(message *m_ptr);
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/* Callback registration helpers. */
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void sef_setcb_lu_prepare(sef_cb_lu_prepare_t cb);
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void sef_setcb_lu_state_isvalid(sef_cb_lu_state_isvalid_t cb);
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void sef_setcb_lu_state_changed(sef_cb_lu_state_changed_t cb);
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void sef_setcb_lu_state_dump(sef_cb_lu_state_dump_t cb);
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void sef_setcb_lu_state_save(sef_cb_lu_state_save_t cb);
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void sef_setcb_lu_response(sef_cb_lu_response_t cb);
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/* Predefined callback implementations. */
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int sef_cb_lu_prepare_null(int state);
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int sef_cb_lu_state_isvalid_null(int state);
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void sef_cb_lu_state_changed_null(int old_state, int state);
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void sef_cb_lu_state_dump_null(int state);
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int sef_cb_lu_state_save_null(int state);
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int sef_cb_lu_response_null(message *m_ptr);
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int sef_cb_lu_prepare_always_ready(int state);
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int sef_cb_lu_prepare_never_ready(int state);
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int sef_cb_lu_prepare_crash(int state);
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int sef_cb_lu_state_isvalid_standard(int state);
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int sef_cb_lu_state_isvalid_workfree(int state);
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int sef_cb_lu_response_rs_reply(message *m_ptr);
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/* Macros for predefined callback implementations. */
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#define SEF_CB_LU_PREPARE_NULL sef_cb_lu_prepare_null
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#define SEF_CB_LU_STATE_ISVALID_NULL sef_cb_lu_state_isvalid_null
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#define SEF_CB_LU_STATE_CHANGED_NULL sef_cb_lu_state_changed_null
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#define SEF_CB_LU_STATE_DUMP_NULL sef_cb_lu_state_dump_null
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#define SEF_CB_LU_STATE_SAVE_NULL sef_cb_lu_state_save_null
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#define SEF_CB_LU_RESPONSE_NULL sef_cb_lu_response_null
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#define SEF_CB_LU_PREPARE_DEFAULT sef_cb_lu_prepare_null
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#define SEF_CB_LU_STATE_ISVALID_DEFAULT sef_cb_lu_state_isvalid_null
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#define SEF_CB_LU_STATE_CHANGED_DEFAULT sef_cb_lu_state_changed_null
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#define SEF_CB_LU_STATE_DUMP_DEFAULT sef_cb_lu_state_dump_null
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#define SEF_CB_LU_STATE_SAVE_DEFAULT sef_cb_lu_state_save_null
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#define SEF_CB_LU_RESPONSE_DEFAULT sef_cb_lu_response_rs_reply
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/* Standard live update states. */
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#define SEF_LU_STATE_NULL 0 /* null state */
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#define SEF_LU_STATE_WORK_FREE 1 /* no work in progress */
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#define SEF_LU_STATE_REQUEST_FREE 2 /* no request in progress */
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#define SEF_LU_STATE_PROTOCOL_FREE 3 /* no protocol in progress */
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#define SEF_LU_STATE_CUSTOM_BASE (SEF_LU_STATE_PROTOCOL_FREE+1)
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#define SEF_LU_STATE_IS_STANDARD(s) ((s) > SEF_LU_STATE_NULL \
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&& (s) < SEF_LU_STATE_CUSTOM_BASE)
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/* Debug. */
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#define SEF_LU_DEBUG_DEFAULT 1
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#ifndef SEF_LU_DEBUG
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#define SEF_LU_DEBUG SEF_LU_DEBUG_DEFAULT
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#endif
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#define sef_lu_dprint sef_dprint
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#define sef_lu_debug_begin sef_debug_begin
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#define sef_lu_debug_end sef_debug_end
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/*===========================================================================*
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* SEF Signal *
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*===========================================================================*/
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/* What to intercept. */
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#define INTERCEPT_SEF_SIGNAL_REQUESTS 1
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#define IS_SEF_SIGNAL_REQUEST(mp, status) \
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(((mp)->m_type == SIGS_SIGNAL_RECEIVED && (mp)->m_source < INIT_PROC_NR) \
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|| (is_ipc_notify(status) && (mp)->m_source == SYSTEM))
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/* Callback type definitions. */
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typedef void(*sef_cb_signal_handler_t)(int signo);
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typedef int(*sef_cb_signal_manager_t)(endpoint_t target, int signo);
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typedef int(*sef_cb_gcov_t)(message *msg);
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/* Callback registration helpers. */
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void sef_setcb_signal_handler(sef_cb_signal_handler_t cb);
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void sef_setcb_signal_manager(sef_cb_signal_manager_t cb);
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void sef_setcb_gcov(sef_cb_gcov_t cb);
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/* Predefined callback implementations. */
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void sef_cb_signal_handler_null(int signo);
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int sef_cb_signal_manager_null(endpoint_t target, int signo);
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void sef_cb_signal_handler_term(int signo);
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void sef_cb_signal_handler_posix_default(int signo);
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/* Macros for predefined callback implementations. */
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#define SEF_CB_SIGNAL_HANDLER_NULL sef_cb_signal_handler_null
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#define SEF_CB_SIGNAL_MANAGER_NULL sef_cb_signal_manager_null
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#define SEF_CB_SIGNAL_HANDLER_DEFAULT sef_cb_signal_handler_null
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#define SEF_CB_SIGNAL_MANAGER_DEFAULT sef_cb_signal_manager_null
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/* Debug. */
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#define SEF_SIGNAL_DEBUG_DEFAULT 0
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#ifndef SEF_SIGNAL_DEBUG
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#define SEF_SIGNAL_DEBUG SEF_SIGNAL_DEBUG_DEFAULT
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#endif
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#define sef_signal_dprint sef_dprint
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#define sef_signal_debug_begin sef_debug_begin
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#define sef_signal_debug_end sef_debug_end
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/*===========================================================================*
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* SEF Fault Injection *
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*===========================================================================*/
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/* What to intercept. */
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#define INTERCEPT_SEF_FI_REQUESTS 1
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#define IS_SEF_FI_REQUEST(mp, status) \
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(m_ptr->m_type == COMMON_REQ_FI_CTL)
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/* Fault injection tool support. */
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#define SEF_FI_ALLOW_EDFI 1
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#if !defined(USE_LIVEUPDATE)
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#undef INTERCEPT_SEF_LU_REQUESTS
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#undef SEF_LU_DEBUG
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#endif
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#endif /* _SEF_H */
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