servers/rs/type.h

   1 /* Type definitions used in RS.
   2  */
   3 #ifndef RS_TYPE_H
   4 #define RS_TYPE_H
   5
   6 /* Definition of an entry of the boot image priv table. */
   7 struct boot_image_priv {
   8   endpoint_t endpoint;         /* process endpoint number */
   9   char label[RS_MAX_LABEL_LEN]; /* label to assign to this service */
  10
  11   int flags;                   /* privilege flags */
  12   short trap_mask;             /* allowed system call traps */
  13   int ipc_to;                  /* send mask protection */
  14   int *k_calls;                /* allowed kernel calls */
  15   int *vm_calls;               /* allowed vm calls */
  16 };
  17
  18 /* Definition of an entry of the boot image sys table. */
  19 struct boot_image_sys {
  20   endpoint_t endpoint;         /* process endpoint number */
  21
  22   int flags;                   /* system flags */
  23 };
  24
  25 /* Definition of an entry of the boot image dev table. */
  26 struct boot_image_dev {
  27   endpoint_t endpoint;         /* process endpoint number */
  28
  29   dev_t dev_nr;                /* major device number */
  30   int dev_style;               /* device style */
  31   long period;                 /* heartbeat period (or zero) */
  32 };
  33
  34 /* Definition of an entry of the system process table. */
  35 struct rproc {
  36   struct rprocpub *r_pub;       /* pointer to the corresponding public entry */
  37   pid_t r_pid;                  /* process id, -1 if the process is not there */
  38
  39   int r_restarts;               /* number of restarts (initially zero) */
  40   long r_backoff;               /* number of periods to wait before revive */
  41   unsigned r_flags;             /* status and policy flags */
  42
  43   clock_t r_check_tm;           /* timestamp of last check */
  44   clock_t r_alive_tm;           /* timestamp of last heartbeat */
  45   clock_t r_stop_tm;            /* timestamp of SIGTERM signal */
  46   endpoint_t r_caller;          /* RS_LATEREPLY caller */
  47
  48   char r_cmd[MAX_COMMAND_LEN];  /* raw command plus arguments */
  49   char r_script[MAX_SCRIPT_LEN]; /* name of the restart script executable */
  50   char *r_argv[MAX_NR_ARGS+2];  /* parsed arguments vector */
  51   int r_argc;                   /* number of arguments */
  52
  53   char *r_exec;                 /* Executable image */
  54   size_t r_exec_len;            /* Length of image */
  55
  56   int r_set_resources;          /* set when resources must be set. */
  57   struct priv r_priv;           /* Privilege structure to be passed to the
  58                                  * kernel.
  59                                  */
  60   uid_t r_uid;
  61   int r_nice;
  62
  63   u32_t r_call_mask[RS_SYS_CALL_MASK_SIZE];
  64   char r_ipc_list[MAX_IPC_LIST];
  65   int r_nr_control;
  66   char r_control[RS_NR_CONTROL][RS_MAX_LABEL_LEN];
  67 };
  68
  69 /* Definition of the global update descriptor. */
  70 struct rupdate {
  71   int flags;               /* flags to keep track of the status of the update */
  72   clock_t prepare_tm;      /* timestamp of when the update was scheduled */
  73   clock_t prepare_maxtime; /* max time to wait for the process to be ready */
  74   struct rproc *rp;        /* the process under update */
  75 };
  76
  77 #endif /* RS_TYPE_H */