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 <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[14];
  24         str[0] = (flags & WAITING) ? 'W' : '-';
  25         str[1] = (flags & ZOMBIE)  ? 'Z' : '-';
  26         str[2] = (flags & PAUSED)  ? 'P' : '-';
  27         str[3] = (flags & ALARM_ON)  ? 'A' : '-';
  28         str[4] = (flags & EXITING) ? 'E' : '-';
  29         str[5] = (flags & STOPPED)  ? 'S' : '-';
  30         str[6] = (flags & SIGSUSPENDED)  ? 'U' : '-';
  31         str[7] = (flags & REPLY)  ? 'R' : '-';
  32         str[8] = (flags & VFS_CALL) ? 'F' : '-';
  33         str[9] = (flags & PM_SIG_PENDING) ? 's' : '-';
  34         str[10] = (flags & PRIV_PROC)  ? 'p' : '-';
  35         str[11] = (flags & PARTIAL_EXEC) ? 'x' : '-';
  36         str[12] = (flags & DELAY_CALL) ? 'd' : '-';
  37         str[13] = '\0';
  38
  39         return str;
  40 }
  41
  42 void mproc_dmp()
  43 {
  44   struct mproc *mp;
  45   int i, n=0;
  46   static int prev_i = 0;
  47
  48   if (getsysinfo(PM_PROC_NR, SI_PROC_TAB, mproc, sizeof(mproc)) != OK) {
  49         printf("Error obtaining table from PM. Perhaps recompile IS?\n");
  50         return;
  51   }
  52
  53   printf("Process manager (PM) process table dump\n");
  54   printf("-process- -nr-pnr-tnr- --pid--ppid--pgrp- -uid--  -gid--  -nice- -flags-------\n");
  55   for (i=prev_i; i<NR_PROCS; i++) {
  56         mp = &mproc[i];
  57         if (mp->mp_pid == 0 && i != PM_PROC_NR) continue;
  58         if (++n > 22) break;
  59         printf("%8.8s %4d%4d%4d  %5d %5d %5d  ",
  60                 mp->mp_name, i, mp->mp_parent, mp->mp_tracer, mp->mp_pid, mproc[mp->mp_parent].mp_pid, mp->mp_procgrp);
  61         printf("%2d(%2d)  %2d(%2d)   ",
  62                 mp->mp_realuid, mp->mp_effuid, mp->mp_realgid, mp->mp_effgid);
  63         printf(" %3d  %s  ",
  64                 mp->mp_nice, flags_str(mp->mp_flags));
  65         printf("\n");
  66   }
  67   if (i >= NR_PROCS) i = 0;
  68   else printf("--more--\r");
  69   prev_i = i;
  70 }
  71
  72 /*===========================================================================*
  73  *                              sigaction_dmp                                *
  74  *===========================================================================*/
  75 void sigaction_dmp()
  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   getuptime(&uptime);
  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(" %08lx %08lx %08lx ",
  96                 mp->mp_ignore, mp->mp_catch, mp->mp_sigmask);
  97         printf("%08lx  ", mp->mp_sigpending);
  98         if (mp->mp_flags & ALARM_ON) printf("%8ld", mp->mp_timer.tmr_exp_time-uptime);
  99         else printf("       -");
 100         printf("\n");
 101   }
 102   if (i >= NR_PROCS) i = 0;
 103   else printf("--more--\r");
 104   prev_i = i;
 105 }
 106
 107