source: trunk/minix/servers/is/dmp_fs.c@ 15

Last change on this file since 15 was 9, checked in by Mattia Monga, 14 years ago

Minix 3.1.2a

File size: 2.4 KB
RevLine 
[9]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 "../fs/const.h"
13#include "../fs/fproc.h"
14#include <minix/dmap.h>
15
16PUBLIC struct fproc fproc[NR_PROCS];
17PUBLIC struct dmap dmap[NR_DEVICES];
18
19/*===========================================================================*
20 * fproc_dmp *
21 *===========================================================================*/
22PUBLIC void fproc_dmp()
23{
24 struct fproc *fp;
25 int i, n=0;
26 static int prev_i;
27
28 getsysinfo(FS_PROC_NR, SI_PROC_TAB, fproc);
29
30 printf("File System (FS) process table dump\n");
31 printf("-nr- -pid- -tty- -umask- --uid-- --gid-- -ldr- -sus-rev-proc- -cloexec-\n");
32 for (i=prev_i; i<NR_PROCS; i++) {
33 fp = &fproc[i];
34 if (fp->fp_pid <= 0) continue;
35 if (++n > 22) break;
36 printf("%3d %4d %2d/%d 0x%05x %2d (%d) %2d (%d) %3d %3d %3d %4d 0x%05x\n",
37 i, fp->fp_pid,
38 ((fp->fp_tty>>MAJOR)&BYTE), ((fp->fp_tty>>MINOR)&BYTE),
39 fp->fp_umask,
40 fp->fp_realuid, fp->fp_effuid, fp->fp_realgid, fp->fp_effgid,
41 fp->fp_sesldr,
42 fp->fp_suspended, fp->fp_revived, fp->fp_task,
43 fp->fp_cloexec
44 );
45 }
46 if (i >= NR_PROCS) i = 0;
47 else printf("--more--\r");
48 prev_i = i;
49}
50
51/*===========================================================================*
52 * dmap_flags *
53 *===========================================================================*/
54PRIVATE char * dmap_flags(int flags)
55{
56 static char fl[10];
57 strcpy(fl, "---");
58 if(flags & DMAP_MUTABLE) fl[0] = 'M';
59 if(flags & DMAP_BUSY) fl[1] = 'S';
60 if(flags & DMAP_BABY) fl[2] = 'B';
61 return fl;
62}
63
64/*===========================================================================*
65 * dtab_dmp *
66 *===========================================================================*/
67PUBLIC void dtab_dmp()
68{
69 int i;
70
71 getsysinfo(FS_PROC_NR, SI_DMAP_TAB, dmap);
72
73 printf("File System (FS) device <-> driver mappings\n");
74 printf("Major Driver ept Flags\n");
75 printf("----- ---------- -----\n");
76 for (i=0; i<NR_DEVICES; i++) {
77 if (dmap[i].dmap_driver == NONE) continue;
78 printf("%5d %10d %s\n",
79 i, dmap[i].dmap_driver, dmap_flags(dmap[i].dmap_flags));
80 }
81}
82
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