minix/servers/fs/dmp.c

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2005-04-21 16:53:53 +02:00
/* This file contains procedures to dump to FS' data structures.
*
* The entry points into this file are
* do_fkey_pressed: a function key was pressed
* dtab_dump: display device<->driver table
* fproc_dump: display FS process table
*
* Created:
* Oct 01, 2004: by Jorrit N. Herder
*/
#include "fs.h"
#include <minix/callnr.h>
#include <minix/com.h>
#include <minix/keymap.h>
#include "dmap.h"
#include "fproc.h"
FORWARD _PROTOTYPE( void dtab_dmp, (void));
FORWARD _PROTOTYPE( void fproc_dmp, (void));
/*===========================================================================*
* do_fkey_pressed *
*===========================================================================*/
PUBLIC int do_fkey_pressed(void)
{
printf("Debug dump of FS data structure: ");
switch (m_in.FKEY_CODE) {
case SF5: fproc_dmp(); break;
case SF6: dtab_dmp(); break;
default:
printf("FS: unhandled notification for Shift+F%d key.\n",
m_in.FKEY_NUM);
}
}
/*===========================================================================*
* fproc_dmp *
*===========================================================================*/
PRIVATE void fproc_dmp()
{
struct fproc *fp;
int i, n=0;
static int prev_i;
printf("PROCESS TABLE (beta)\n");
printf("-pid- -tty- -umask- --uid-- --gid-- -ldr- -sus-rev-proc- -cloexec-\n");
for (i=prev_i; i<NR_PROCS; i++) {
fp = &fproc[i];
if (fp->fp_pid <= 0) continue;
if (++n > 22) break;
printf("%4d %2d/%d 0x%05x %2d (%d) %2d (%d) %3d %3d %3d %4d 0x%05x\n",
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,
fp->fp_cloexec
);
}
if (i >= NR_PROCS) i = 0;
else printf("--more--\r");
prev_i = i;
}
/*===========================================================================*
* dtab_dmp *
*===========================================================================*/
PRIVATE void dtab_dmp()
{
int i;
char *file[] = {
"not used ", "/dev/mem ", "/dev/fd0 ", "/dev/c0 ", "/dev/tty0 ",
"/dev/tty ", "/dev/lp ", "/dev/ip ", "/dev/c1 ", "not used ",
"/dev/c2 ", "not used ", "/dev/c3 ", "/dev/audio", "/dev/mixer",
};
printf("DEVICE MAP\n");
printf("Dev File Open/Cls I/O Proc\n");
printf("--- ---------- -------- ------ ----\n");
for (i=0; i<max_major; i++) {
printf("%3d %s ", i, file[i] );
if (dmap[i].dmap_opcl == no_dev) printf(" no_dev");
else if (dmap[i].dmap_opcl == gen_opcl) printf("gen_opcl");
else printf("%8x", dmap[i].dmap_opcl);
if ((void *)dmap[i].dmap_io == (void *)no_dev) printf(" no_dev");
else if (dmap[i].dmap_io == gen_io) printf(" gen_io");
else printf("%8x", dmap[i].dmap_io);
printf("%6d\n", dmap[i].dmap_driver);
}
}