6f912993ff
RS CHANGES: - RS retains information on both labels and process names now. Labels for boot processes are configured in the boot image priv table. Process names are inherited from the in-kernel boot image table. - When RS_REUSE is specified in do_up, RS looks for an existing slot having the same process name as the one we are about to start. If one is found with an in-memory copy of its executable image, the image is then shared between the two processes, rather than copying it again. This behavior can be specified by using 'service -r' when starting a system service from the command line.
89 lines
3.2 KiB
C
89 lines
3.2 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[MAX_LABEL_LEN]; /* label to assign to this service */
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int flags; /* privilege flags */
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short trap_mask; /* allowed system call traps */
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int ipc_to; /* send mask protection */
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int *k_calls; /* kernel call protection */
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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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int dev_style; /* device style */
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long period; /* heartbeat period (or zero) */
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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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endpoint_t r_proc_nr_e; /* process endpoint number */
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pid_t r_pid; /* process id, -1 if the process is not there */
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dev_t r_dev_nr; /* major device number */
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int r_dev_style; /* device style */
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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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unsigned r_sys_flags; /* sys flags */
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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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char *r_exec; /* Executable image */
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size_t r_exec_len; /* Length of image */
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char r_label[MAX_LABEL_LEN]; /* label of this service */
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char r_proc_name[P_NAME_LEN]; /* process name of this service */
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char r_cmd[MAX_COMMAND_LEN]; /* raw command plus arguments */
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char r_script[MAX_SCRIPT_LEN]; /* name of the restart script executable */
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char *r_argv[MAX_NR_ARGS+2]; /* parsed arguments vector */
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int r_argc; /* number of arguments */
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/* Resources */
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int r_set_resources;
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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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int r_nice;
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int r_nr_pci_id; /* Number of PCI devices IDs */
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struct { u16_t vid; u16_t did; } r_pci_id[RSS_NR_PCI_ID];
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int r_nr_pci_class; /* Number of PCI class IDs */
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struct { u32_t class; u32_t mask; } r_pci_class[RSS_NR_PCI_CLASS];
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u32_t r_call_mask[RSS_NR_SYSTEM];
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char r_ipc_list[MAX_IPC_LIST];
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bitchunk_t r_vm[RSS_VM_CALL_SIZE];
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int r_nr_control;
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char r_control[RSS_NR_CONTROL][MAX_LABEL_LEN];
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};
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/* Definition of the global update descriptor. */
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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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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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};
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#endif /* RS_TYPE_H */
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