minix/servers/is/dmp_fs.c
2007-08-07 13:26:25 +00:00

82 lines
2.4 KiB
C

/* This file contains procedures to dump to FS' data structures.
*
* The entry points into this file are
* dtab_dump: display device <-> driver mappings
* fproc_dump: display FS process table
*
* Created:
* Oct 01, 2004: by Jorrit N. Herder
*/
#include "inc.h"
#include "../mfs/const.h"
#include "../vfs/fproc.h"
#include "../vfs/dmap.h"
#include <minix/dmap.h>
PUBLIC struct fproc fproc[NR_PROCS];
PUBLIC struct dmap dmap[NR_DEVICES];
/*===========================================================================*
* fproc_dmp *
*===========================================================================*/
PUBLIC void fproc_dmp()
{
struct fproc *fp;
int i, n=0;
static int prev_i;
getsysinfo(FS_PROC_NR, SI_PROC_TAB, fproc);
printf("File System (FS) process table dump\n");
printf("-nr- -pid- -tty- -umask- --uid-- --gid-- -ldr- -sus-rev-proc-\n");
for (i=prev_i; i<NR_PROCS; i++) {
fp = &fproc[i];
if (fp->fp_pid <= 0) continue;
if (++n > 22) break;
printf("%3d %4d %2d/%d 0x%05x %2d (%d) %2d (%d) %3d %3d %3d %4d\n",
i, fp->fp_pid,
((fp->fp_tty>>MAJOR)&BYTE), ((fp->fp_tty>>MINOR)&BYTE),
fp->fp_umask,
fp->fp_realuid, fp->fp_effuid, fp->fp_realgid, fp->fp_effgid,
fp->fp_sesldr,
fp->fp_suspended, fp->fp_revived, fp->fp_task
);
}
if (i >= NR_PROCS) i = 0;
else printf("--more--\r");
prev_i = i;
}
/*===========================================================================*
* dmap_flags *
*===========================================================================*/
PRIVATE char * dmap_flags(int flags)
{
static char fl[10];
strcpy(fl, "---");
if(flags & DMAP_MUTABLE) fl[0] = 'M';
if(flags & DMAP_BUSY) fl[1] = 'S';
if(flags & DMAP_BABY) fl[2] = 'B';
return fl;
}
/*===========================================================================*
* dtab_dmp *
*===========================================================================*/
PUBLIC void dtab_dmp()
{
int i;
getsysinfo(FS_PROC_NR, SI_DMAP_TAB, dmap);
printf("File System (FS) device <-> driver mappings\n");
printf("Major Driver ept Flags\n");
printf("----- ---------- -----\n");
for (i=0; i<NR_DEVICES; i++) {
if (dmap[i].dmap_driver == NONE) continue;
printf("%5d %10d %s\n",
i, dmap[i].dmap_driver, dmap_flags(dmap[i].dmap_flags));
}
}