minix/servers/is/dmp_pm.c

   1 /* This file contains procedures to dump to PM' data structures.
   2  *
   3  * The entry points into this file are
   4  *   mproc_dmp:         display PM process table
   5  *
   6  * Created:
   7  *   May 11, 2005:      by Jorrit N. Herder
   8  */
   9
  10 #include "inc.h"
  11 #include "../pm/mproc.h"
  12 #include <minix/timers.h>
  13 #include <minix/config.h>
  14 #include <minix/type.h>
  15
  16 struct mproc mproc[NR_PROCS];
  17
  18 /*===========================================================================*
  19  *                              mproc_dmp                                    *
  20  *===========================================================================*/
  21 static char *flags_str(int flags)
  22 {
  23         static char str[12];
  24         str[0] = (flags & WAITING) ? 'W' : '-';
  25         str[1] = (flags & ZOMBIE)  ? 'Z' : '-';
  26         str[2] = (flags & ALARM_ON)  ? 'A' : '-';
  27         str[3] = (flags & EXITING) ? 'E' : '-';
  28         str[4] = (flags & TRACE_STOPPED)  ? 'T' : '-';
  29         str[5] = (flags & SIGSUSPENDED)  ? 'U' : '-';
  30         str[6] = (flags & VFS_CALL) ? 'F' : '-';
  31         str[7] = (flags & PROC_STOPPED) ? 's' : '-';
  32         str[8] = (flags & PRIV_PROC)  ? 'p' : '-';
  33         str[9] = (flags & PARTIAL_EXEC) ? 'x' : '-';
  34         str[10] = (flags & DELAY_CALL) ? 'd' : '-';
  35         str[11] = '\0';
  36
  37         return str;
  38 }
  39
  40 void
  41 mproc_dmp(void)
  42 {
  43   struct mproc *mp;
  44   int i, n=0;
  45   static int prev_i = 0;
  46
  47   if (getsysinfo(PM_PROC_NR, SI_PROC_TAB, mproc, sizeof(mproc)) != OK) {
  48         printf("Error obtaining table from PM. Perhaps recompile IS?\n");
  49         return;
  50   }
  51
  52   printf("Process manager (PM) process table dump\n");
  53   printf("-process- -nr-pnr-tnr- --pid--ppid--pgrp- -uid--  -gid--  -nice- -flags-----\n");
  54   for (i=prev_i; i<NR_PROCS; i++) {
  55         mp = &mproc[i];
  56         if (mp->mp_pid == 0 && i != PM_PROC_NR) continue;
  57         if (++n > 22) break;
  58         printf("%8.8s %4d%4d%4d  %5d %5d %5d  ",
  59                 mp->mp_name, i, mp->mp_parent, mp->mp_tracer, mp->mp_pid, mproc[mp->mp_parent].mp_pid, mp->mp_procgrp);
  60         printf("%2d(%2d)  %2d(%2d)   ",
  61                 mp->mp_realuid, mp->mp_effuid, mp->mp_realgid, mp->mp_effgid);
  62         printf(" %3d  %s  ",
  63                 mp->mp_nice, flags_str(mp->mp_flags));
  64         printf("\n");
  65   }
  66   if (i >= NR_PROCS) i = 0;
  67   else printf("--more--\r");
  68   prev_i = i;
  69 }
  70
  71 /*===========================================================================*
  72  *                              sigaction_dmp                                *
  73  *===========================================================================*/
  74 void
  75 sigaction_dmp(void)
  76 {
  77   struct mproc *mp;
  78   int i, n=0;
  79   static int prev_i = 0;
  80   clock_t uptime;
  81
  82   if (getsysinfo(PM_PROC_NR, SI_PROC_TAB, mproc, sizeof(mproc)) != OK) {
  83         printf("Error obtaining table from PM. Perhaps recompile IS?\n");
  84         return;
  85   }
  86   uptime = getticks();
  87
  88   printf("Process manager (PM) signal action dump\n");
  89   printf("-process- -nr- --ignore- --catch- --block- -pending- -alarm---\n");
  90   for (i=prev_i; i<NR_PROCS; i++) {
  91         mp = &mproc[i];
  92         if (mp->mp_pid == 0 && i != PM_PROC_NR) continue;
  93         if (++n > 22) break;
  94         printf("%8.8s  %3d  ", mp->mp_name, i);
  95         printf(" %08x %08x %08x ",
  96                 mp->mp_ignore.__bits[0], mp->mp_catch.__bits[0],
  97                 mp->mp_sigmask.__bits[0]);
  98         printf("%08x  ", mp->mp_sigpending.__bits[0]);
  99         if (mp->mp_flags & ALARM_ON) printf("%8lu",
 100                 (unsigned long) (mp->mp_timer.tmr_exp_time-uptime));
 101         else printf("       -");
 102         printf("\n");
 103   }
 104   if (i >= NR_PROCS) i = 0;
 105   else printf("--more--\r");
 106   prev_i = i;
 107 }
 108
 109