dmp_ds.c

minix3.1.1源代码

/* This file contains procedures to dump DS data structures.
 *
 * The entry points into this file are
 *   data_store_dmp:   	display DS data store contents 
 *
 * Created:
 *   Oct 18, 2005:	by Jorrit N. Herder
 */

#include "inc.h"
#include "../ds/store.h"

PUBLIC struct data_store store[NR_DS_KEYS];

FORWARD _PROTOTYPE( char *s_flags_str, (int flags)		);

/*===========================================================================*
 *				data_store_dmp				     *
 *===========================================================================*/
PUBLIC void data_store_dmp()
{
  struct data_store *dsp;
  int i,j, n=0;
  static int prev_i=0;


  printf("Data Store (DS) contents dump\n");

  getsysinfo(DS_PROC_NR, SI_DATA_STORE, store);

  printf("-slot- -key- -flags- -val_l1- -val_l2-\n");

  for (i=prev_i; i<NR_DS_KEYS; i++) {
  	dsp = &store[i];
  	if (! dsp->ds_flags & DS_IN_USE) continue;
  	if (++n > 22) break;
  	printf("%3d %8d %s  [%8d] [%8d] \n",
		i, dsp->ds_key,
		s_flags_str(dsp->ds_flags),
		dsp->ds_val_l1,
		dsp->ds_val_l2
  	);
  }
  if (i >= NR_DS_KEYS) i = 0;
  else printf("--more--\r");
  prev_i = i;
}


PRIVATE char *s_flags_str(int flags)
{
	static char str[5];
	str[0] = (flags & DS_IN_USE) ? 'U' : '-';
	str[1] = (flags & DS_PUBLIC) ? 'P' : '-';
	str[2] = '-';
	str[3] = '\0';

	return(str);
}