servers/is/dmp_fs.c

   1 /* This file contains procedures to dump to FS' data structures.
   2  *
   3  * The entry points into this file are
   4  *   dtab_dump:         display device <-> driver mappings
   5  *   fproc_dump:        display FS process table
   6  *
   7  * Created:
   8  *   Oct 01, 2004:      by Jorrit N. Herder
   9  */
  10
  11 #include "inc.h"
  12 #include "../mfs/const.h"
  13 #include "../vfs/const.h"
  14 #include "../vfs/fproc.h"
  15 #include "../vfs/dmap.h"
  16 #include <minix/dmap.h>
  17
  18 PUBLIC struct fproc fproc[NR_PROCS];
  19 PUBLIC struct dmap dmap[NR_DEVICES];
  20
  21 /*===========================================================================*
  22  *                              fproc_dmp                                    *
  23  *===========================================================================*/
  24 PUBLIC void fproc_dmp()
  25 {
  26   struct fproc *fp;
  27   int i, n=0;
  28   static int prev_i;
  29
  30   getsysinfo(FS_PROC_NR, SI_PROC_TAB, fproc);
  31
  32   printf("File System (FS) process table dump\n");
  33   printf("-nr- -pid- -tty- -umask- --uid-- --gid-- -ldr- -sus-rev-proc-\n");
  34   for (i=prev_i; i<NR_PROCS; i++) {
  35         fp = &fproc[i];
  36         if (fp->fp_pid <= 0) continue;
  37         if (++n > 22) break;
  38         printf("%3d  %4d  %2d/%d  0x%05x %2d (%2d) %2d (%2d) %3d   %3d %3d ",
  39                 i, fp->fp_pid,
  40                 ((fp->fp_tty>>MAJOR)&BYTE), ((fp->fp_tty>>MINOR)&BYTE),
  41                 fp->fp_umask,
  42                 fp->fp_realuid, fp->fp_effuid, fp->fp_realgid, fp->fp_effgid,
  43                 fp->fp_sesldr,
  44                 fp->fp_blocked_on, !!fp->fp_revived
  45         );
  46         if (fp->fp_blocked_on == FP_BLOCKED_ON_OTHER)
  47                 printf("%4d\n", fp->fp_task);
  48         else
  49                 printf(" nil\n");
  50   }
  51   if (i >= NR_PROCS) i = 0;
  52   else printf("--more--\r");
  53   prev_i = i;
  54 }
  55
  56 /*===========================================================================*
  57  *                              dmap_flags                                   *
  58  *===========================================================================*/
  59 PRIVATE char * dmap_flags(int flags)
  60 {
  61         static char fl[10];
  62         strcpy(fl, "-----");
  63         if(flags & DRV_FORCED)  fl[0] = 'F';
  64         return fl;
  65 }
  66
  67 /*===========================================================================*
  68  *                              dmap_style                                   *
  69  *===========================================================================*/
  70 PRIVATE char * dmap_style(int dev_style)
  71 {
  72         static char str[16];
  73         switch(dev_style) {
  74         case STYLE_DEV:    strcpy(str, "STYLE_DEV"); break;
  75         case STYLE_DEVA:   strcpy(str, "STYLE_DEVA"); break;
  76         case STYLE_TTY:    strcpy(str, "STYLE_TTY"); break;
  77         case STYLE_CTTY:   strcpy(str, "STYLE_CTTY"); break;
  78         case STYLE_CLONE:  strcpy(str, "STYLE_CLONE"); break;
  79         default:           strcpy(str, "UNKNOWN"); break;
  80         }
  81
  82         return str;
  83 }
  84
  85 /*===========================================================================*
  86  *                              dtab_dmp                                     *
  87  *===========================================================================*/
  88 PUBLIC void dtab_dmp()
  89 {
  90     int i;
  91
  92     getsysinfo(FS_PROC_NR, SI_DMAP_TAB, dmap);
  93
  94     printf("File System (FS) device <-> driver mappings\n");
  95     printf("    Label     Major Driver ept Flags     Style   \n");
  96     printf("------------- ----- ---------- ----- -------------\n");
  97     for (i=0; i<NR_DEVICES; i++) {
  98         if (dmap[i].dmap_driver == NONE) continue;
  99         printf("%13s %5d %10d %s %-13s\n",
 100                 dmap[i].dmap_label, i, dmap[i].dmap_driver,
 101                 dmap_flags(dmap[i].dmap_flags), dmap_style(dmap[i].dmap_style));
 102     }
 103 }
 104