111 lines
4.4 KiB
C
111 lines
4.4 KiB
C
/* Type definitions used in RS.
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*/
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#ifndef RS_TYPE_H
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#define RS_TYPE_H
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/* Definition of an entry of the boot image priv table. */
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struct boot_image_priv {
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endpoint_t endpoint; /* process endpoint number */
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char label[RS_MAX_LABEL_LEN]; /* label to assign to this service */
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int flags; /* privilege flags */
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};
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/* Definition of an entry of the boot image sys table. */
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struct boot_image_sys {
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endpoint_t endpoint; /* process endpoint number */
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int flags; /* system flags */
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};
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/* Definition of an entry of the boot image dev table. */
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struct boot_image_dev {
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endpoint_t endpoint; /* process endpoint number */
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dev_t dev_nr; /* major device number */
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};
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/* Definition of the update descriptors. */
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struct rproc;
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struct rprocupd {
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int lu_flags; /* user-specified live update flags */
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int init_flags; /* user-specified init flags */
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int prepare_state; /* the state the process has to prepare for the update */
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endpoint_t state_endpoint; /* the custom process to transfer the state from (if any). */
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clock_t prepare_tm; /* timestamp of when the update was scheduled */
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clock_t prepare_maxtime; /* max time to wait for the process to be ready */
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struct rproc *rp; /* the process under update */
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struct rs_state_data prepare_state_data; /* state data for the update */
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cp_grant_id_t prepare_state_data_gid; /* state data gid */
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struct rprocupd *prev_rpupd; /* the previous process under update */
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struct rprocupd *next_rpupd; /* the next process under update */
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};
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struct rupdate {
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int flags; /* flags to keep track of the status of the update */
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int num_rpupds; /* number of descriptors scheduled for the update */
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int num_init_ready_pending; /* number of pending init ready messages */
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struct rprocupd *curr_rpupd; /* the current descriptor under update */
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struct rprocupd *first_rpupd; /* first descriptor scheduled for the update */
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struct rprocupd *last_rpupd; /* last descriptor scheduled for the update */
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struct rprocupd *vm_rpupd; /* VM descriptor scheduled for the update */
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struct rprocupd *rs_rpupd; /* RS descriptor scheduled for the update */
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};
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/* Definition of an entry of the system process table. */
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struct rproc {
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struct rprocpub *r_pub; /* pointer to the corresponding public entry */
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struct rproc *r_old_rp; /* pointer to the slot with the old version */
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struct rproc *r_new_rp; /* pointer to the slot with the new version */
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struct rproc *r_prev_rp; /* pointer to the slot with the prev replica */
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struct rproc *r_next_rp; /* pointer to the slot with the next replica */
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struct rprocupd r_upd; /* update descriptor */
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pid_t r_pid; /* process id, -1 if the process is not there */
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int r_restarts; /* number of restarts (initially zero) */
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long r_backoff; /* number of periods to wait before revive */
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unsigned r_flags; /* status and policy flags */
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int r_init_err; /* error code at initialization time */
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long r_period; /* heartbeat period (or zero) */
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clock_t r_check_tm; /* timestamp of last check */
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clock_t r_alive_tm; /* timestamp of last heartbeat */
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clock_t r_stop_tm; /* timestamp of SIGTERM signal */
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endpoint_t r_caller; /* RS_LATEREPLY caller */
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int r_caller_request; /* RS_LATEREPLY caller request */
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char r_cmd[MAX_COMMAND_LEN]; /* raw command plus arguments */
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char r_args[MAX_COMMAND_LEN]; /* null-separated raw command plus arguments */
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#define ARGV_ELEMENTS (MAX_NR_ARGS+2) /* path, args, null */
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char *r_argv[ARGV_ELEMENTS];
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int r_argc; /* number of arguments */
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char r_script[MAX_SCRIPT_LEN]; /* name of the restart script executable */
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char *r_exec; /* Executable image */
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size_t r_exec_len; /* Length of image */
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struct priv r_priv; /* Privilege structure to be passed to the
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* kernel.
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*/
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uid_t r_uid;
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endpoint_t r_scheduler; /* scheduler */
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int r_priority; /* negative values are reserved for special meanings */
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int r_quantum;
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int r_cpu;
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vir_bytes r_map_prealloc_addr; /* preallocated mmap address */
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size_t r_map_prealloc_len; /* preallocated mmap len */
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/* Backup values from the privilege structure. */
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struct io_range r_io_tab[NR_IO_RANGE];
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int r_nr_io_range;
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int r_irq_tab[NR_IRQ];
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int r_nr_irq;
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char r_ipc_list[MAX_IPC_LIST];
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int r_nr_control;
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char r_control[RS_NR_CONTROL][RS_MAX_LABEL_LEN];
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};
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#endif /* RS_TYPE_H */
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