make sure that the pseudo_set isn't empty.

[unix-history] / sys / kern / kern_synch.c

diff --git a/sys/kern/kern_synch.c b/sys/kern/kern_synch.c
index 907ebd6..a11f5dc 100644 (file)
--- a/sys/kern/kern_synch.c
+++ b/sys/kern/kern_synch.c
@@ -32,7 +32,7 @@
  * SUCH DAMAGE.
  *
  *     from: @(#)kern_synch.c  7.18 (Berkeley) 6/27/91
  * SUCH DAMAGE.
  *
  *     from: @(#)kern_synch.c  7.18 (Berkeley) 6/27/91

- *     $Id: kern_synch.c,v 1.2 1993/10/16 15:24:32 rgrimes Exp $
+ *     $Id: kern_synch.c,v 1.4 1994/02/11 21:14:28 guido Exp $

  */
 
 #include "param.h"
  */
 
 #include "param.h"


@@ -381,7 +381,7 @@ endtsleep(arg1, dummy)
        splx(s);
 }
 
        splx(s);
 }
 

-#if 1                          /* XXX this should go away... */
+#if 0                          /* This is obsolete, use tsleep(). */

 /*
  * Short-term, non-interruptable sleep.
  */
 /*
  * Short-term, non-interruptable sleep.
  */


@@ -588,29 +588,39 @@ setpri(p)
 }
 
 #if NDDB > 0
 }
 
 #if NDDB > 0

-#define        DDBFUNC(s)      ddb_##s
+#define        DDBFUNC(s)      db_##s

 void
 DDBFUNC(ps) () {
        int np;
 void
 DDBFUNC(ps) () {
        int np;

+       int nl=0;

        struct proc *ap, *p, *pp;
        np = nprocs;
        p = ap = allproc;
        struct proc *ap, *p, *pp;
        np = nprocs;
        p = ap = allproc;

-    printf("  pid  proc    addr     uid     ppid  pgrp   flag stat comm         wchan\n");
+    db_printf("  pid  proc    addr     uid     ppid  pgrp   flag stat comm         wchan\n");

     while (--np >= 0) {
     while (--np >= 0) {

+       /*
+        * XXX just take 20 for now...
+        */
+       if(nl++==20) {
+               db_printf("--More--");
+               cngetc();
+               db_printf("\b\b\b\b\b\b\b\b");
+               nl=0;
+       }

        pp = p->p_pptr;
        if (pp == 0)
                pp = p;
        if (p->p_stat) {
        pp = p->p_pptr;
        if (pp == 0)
                pp = p;
        if (p->p_stat) {

-           printf("%5d %06x %06x %3d %5d %5d  %06x  %d  %s   ",
+           db_printf("%5d %06x %06x %3d %5d %5d  %06x  %d  %s   ",

                   p->p_pid, ap, p->p_addr, p->p_cred->p_ruid, pp->p_pid, 
                   p->p_pgrp->pg_id, p->p_flag, p->p_stat,
                   p->p_comm);
            if (p->p_wchan) {
                if (p->p_wmesg)
                   p->p_pid, ap, p->p_addr, p->p_cred->p_ruid, pp->p_pid, 
                   p->p_pgrp->pg_id, p->p_flag, p->p_stat,
                   p->p_comm);
            if (p->p_wchan) {
                if (p->p_wmesg)

-                   printf("%s ", p->p_wmesg);
-               printf("%x", p->p_wchan);
+                   db_printf("%s ", p->p_wmesg);
+               db_printf("%x", p->p_wchan);

            }
            }

-           printf("\n");
+           db_printf("\n");

        }
        ap = p->p_nxt;
        if (ap == 0 && np > 0)
        }
        ap = p->p_nxt;
        if (ap == 0 && np > 0)