minix/servers/is/dmp_rs.c

   1 /* This file contains procedures to dump RS data structures.
   2  *
   3  * The entry points into this file are
   4  *   rproc_dump:        display RS system process table
   5  *
   6  * Created:
   7  *   Oct 03, 2005:      by Jorrit N. Herder
   8  */
   9
  10 #include "inc.h"
  11 #include <minix/timers.h>
  12 #include <minix/rs.h>
  13 #include "kernel/priv.h"
  14 #include "../rs/const.h"
  15 #include "../rs/type.h"
  16
  17 struct rprocpub rprocpub[NR_SYS_PROCS];
  18 struct rproc rproc[NR_SYS_PROCS];
  19
  20 static char *s_flags_str(int flags, int sys_flags);
  21
  22 /*===========================================================================*
  23  *                              rproc_dmp                                    *
  24  *===========================================================================*/
  25 void
  26 rproc_dmp(void)
  27 {
  28   struct rproc *rp;
  29   struct rprocpub *rpub;
  30   int i, n=0;
  31   static int prev_i=0;
  32
  33   if (getsysinfo(RS_PROC_NR, SI_PROCPUB_TAB, rprocpub, sizeof(rprocpub)) != OK
  34         || getsysinfo(RS_PROC_NR, SI_PROC_TAB, rproc, sizeof(rproc)) != OK) {
  35         printf("Error obtaining table from RS. Perhaps recompile IS?\n");
  36         return;
  37   }
  38
  39   printf("Reincarnation Server (RS) system process table dump\n");
  40   printf("----label---- endpoint- -pid- flags- -dev- -T- alive_tm starts command\n");
  41   for (i=prev_i; i<NR_SYS_PROCS; i++) {
  42         rp = &rproc[i];
  43         rpub = &rprocpub[i];
  44         if (! (rp->r_flags & RS_IN_USE)) continue;
  45         if (++n > 22) break;
  46         printf("%13s %9d %5d %6s %4d %4lu %8u %5dx %s",
  47                 rpub->label, rpub->endpoint, rp->r_pid,
  48                 s_flags_str(rp->r_flags, rpub->sys_flags), rpub->dev_nr,
  49                 (unsigned long) rp->r_period,
  50                 (unsigned int) rp->r_alive_tm, rp->r_restarts,
  51                 rp->r_args
  52         );
  53         printf("\n");
  54   }
  55   if (i >= NR_SYS_PROCS) i = 0;
  56   else printf("--more--\r");
  57   prev_i = i;
  58 }
  59
  60
  61 static char *s_flags_str(int flags, int sys_flags)
  62 {
  63         static char str[10];
  64         str[0] = (flags & RS_ACTIVE)        ? 'A' : '-';
  65         str[1] = (flags & RS_UPDATING)      ? 'U' : '-';
  66         str[2] = (flags & RS_EXITING)       ? 'E' : '-';
  67         str[3] = (flags & RS_NOPINGREPLY)   ? 'N' : '-';
  68         str[4] = (sys_flags & SF_USE_COPY)  ? 'C' : '-';
  69         str[5] = (sys_flags & SF_USE_REPL)  ? 'R' : '-';
  70         str[6] = '\0';
  71
  72         return(str);
  73 }
  74