0164957abb
RS CHANGES: - Crash recovery is now implemented like live update. Two instances are kept side by side and the dead version is live updated into the new one. The endpoint doesn't change and the failure is not exposed (by default) to other system services. - The new instance can be created reactively (when a crash is detected) or proactively. In the latter case, RS can be instructed to keep a replica of the system service to perform a hot swap when the service fails. The flag SF_USE_REPL is set in that case. - The new flag SF_USE_REPL is supported for services in the boot image and dynamically started services through the RS interface (i.e. -p option in the service utility). - Fixed a free unallocated memory bug for core system services.
105 lines
4.6 KiB
C
105 lines
4.6 KiB
C
/* Function prototypes. */
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/* Structs used in prototypes must be declared as such first. */
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struct rproc;
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/* exec.c */
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_PROTOTYPE( int srv_execve, (int proc_e,
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char *exec, size_t exec_len, char *argv[], char **env));
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/* main.c */
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_PROTOTYPE( int main, (void));
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/* request.c */
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_PROTOTYPE( int do_up, (message *m));
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_PROTOTYPE( int do_down, (message *m));
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_PROTOTYPE( int do_refresh, (message *m));
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_PROTOTYPE( int do_restart, (message *m));
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_PROTOTYPE( int do_shutdown, (message *m));
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_PROTOTYPE( void do_period, (message *m));
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_PROTOTYPE( int do_init_ready, (message *m));
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_PROTOTYPE( int do_update, (message *m));
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_PROTOTYPE( int do_upd_ready, (message *m));
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_PROTOTYPE( void do_sigchld, (void));
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_PROTOTYPE( int do_getsysinfo, (message *m));
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_PROTOTYPE( int do_lookup, (message *m));
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/* manager.c */
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_PROTOTYPE( int caller_is_root, (endpoint_t endpoint) );
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_PROTOTYPE( int caller_can_control, (endpoint_t endpoint, char *label) );
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_PROTOTYPE( int check_call_permission, (endpoint_t caller, int call,
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struct rproc *rp) );
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_PROTOTYPE( int copy_rs_start, (endpoint_t src_e, char *src_rs_start,
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struct rs_start *rs_start) );
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_PROTOTYPE( int copy_label, (endpoint_t src_e, char *src_label, size_t src_len,
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char *dst_label, size_t dst_len) );
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_PROTOTYPE( void build_cmd_dep, (struct rproc *rp) );
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_PROTOTYPE( int srv_fork, (void) );
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_PROTOTYPE( int srv_kill, (pid_t pid, int sig) );
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_PROTOTYPE( int srv_update, (endpoint_t src_e, endpoint_t dst_e) );
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#define kill_service(rp, errstr, err) \
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kill_service_debug(__FILE__, __LINE__, rp, errstr, err)
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_PROTOTYPE( int kill_service_debug, (char *file, int line, struct rproc *rp,
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char *errstr, int err) );
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#define crash_service(rp) \
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crash_service_debug(__FILE__, __LINE__, rp)
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_PROTOTYPE( int crash_service_debug, (char *file, int line, struct rproc *rp) );
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#define cleanup_service(rp) \
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cleanup_service_debug(__FILE__, __LINE__, rp)
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_PROTOTYPE( void cleanup_service_debug, (char *file, int line,
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struct rproc *rp) );
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_PROTOTYPE( int create_service, (struct rproc *rp) );
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_PROTOTYPE( int clone_service, (struct rproc *rp) );
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_PROTOTYPE( int publish_service, (struct rproc *rp) );
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_PROTOTYPE( int unpublish_service, (struct rproc *rp) );
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_PROTOTYPE( int run_service, (struct rproc *rp, int init_type) );
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_PROTOTYPE( int start_service, (struct rproc *rp) );
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_PROTOTYPE( void stop_service, (struct rproc *rp,int how) );
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_PROTOTYPE( int update_service, (struct rproc **src_rpp,
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struct rproc **dst_rpp) );
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_PROTOTYPE( void activate_service, (struct rproc *rp, struct rproc *ex_rp) );
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_PROTOTYPE( void terminate_service, (struct rproc *rp));
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_PROTOTYPE( void restart_service, (struct rproc *rp) );
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_PROTOTYPE( void inherit_service_defaults, (struct rproc *def_rp,
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struct rproc *rp) );
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_PROTOTYPE( void get_service_instances, (struct rproc *rp, struct rproc ***rps,
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int *length) );
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_PROTOTYPE( int read_exec, (struct rproc *rp) );
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_PROTOTYPE( void share_exec, (struct rproc *rp_src, struct rproc *rp_dst) );
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_PROTOTYPE( void free_exec, (struct rproc *rp) );
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_PROTOTYPE( int init_slot, (struct rproc *rp, struct rs_start *rs_start,
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endpoint_t source) );
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_PROTOTYPE( int clone_slot, (struct rproc *rp, struct rproc **clone_rpp) );
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_PROTOTYPE( void swap_slot, (struct rproc **src_rpp, struct rproc **dst_rpp) );
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_PROTOTYPE( struct rproc* lookup_slot_by_label, (char *label) );
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_PROTOTYPE( struct rproc* lookup_slot_by_pid, (pid_t pid) );
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_PROTOTYPE( struct rproc* lookup_slot_by_dev_nr, (dev_t dev_nr) );
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_PROTOTYPE( int alloc_slot, (struct rproc **rpp) );
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_PROTOTYPE( void free_slot, (struct rproc *rp) );
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_PROTOTYPE( char *get_next_label, (char *ptr, char *label, char *caller_label));
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_PROTOTYPE( void add_forward_ipc, (struct rproc *rp, struct priv *privp) );
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_PROTOTYPE( void add_backward_ipc, (struct rproc *rp, struct priv *privp) );
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_PROTOTYPE( void init_privs, (struct rproc *rp, struct priv *privp) );
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_PROTOTYPE( void update_period, (message *m_ptr) );
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_PROTOTYPE( void end_update, (int result) );
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/* utility.c */
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_PROTOTYPE( int init_service, (struct rproc *rp, int type));
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_PROTOTYPE(void fill_call_mask, ( int *calls, int tot_nr_calls,
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bitchunk_t *call_mask, int call_base, int is_init));
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_PROTOTYPE( char* srv_to_string, (struct rproc *rp));
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_PROTOTYPE( void reply, (endpoint_t who, message *m_ptr));
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_PROTOTYPE( void late_reply, (struct rproc *rp, int code));
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_PROTOTYPE( int rs_isokendpt, (endpoint_t endpoint, int *proc));
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/* memory.c */
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_PROTOTYPE( void* rs_startup_sbrk, (size_t size));
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_PROTOTYPE( void* rs_startup_sbrk_synch, (size_t size));
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_PROTOTYPE( int rs_startup_segcopy, (endpoint_t src_proc, int src_s,
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int dst_s, vir_bytes dst_vir, phys_bytes bytes));
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/* error.c */
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_PROTOTYPE( char * init_strerror, (int errnum) );
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_PROTOTYPE( char * lu_strerror, (int errnum) );
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