Aren/NetBSD
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fix some of my more recent botches, and clean up slightly.

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This commit is contained in:
cgd 1994-01-09 23:57:56 +00:00
parent 3fbd67b7d3
commit 64aaba1a4e
1 changed files with 4 additions and 8 deletions
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12
sys/miscfs/procfs/procfs_ctl.c
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@ -37,7 +37,7 @@
* From:
* Id: procfs_ctl.c,v 4.1 1993/12/17 10:47:45 jsp Rel
*
* $Id: procfs_ctl.c,v 1.5 1994/01/09 20:17:06 cgd Exp $
* $Id: procfs_ctl.c,v 1.6 1994/01/09 23:57:56 cgd Exp $
*/
#include <sys/param.h>
@ -59,6 +59,7 @@
*/
#define TRACE_WAIT_P(curp, p) \
((p)->p_stat == SSTOP && \
((p)->p_flag & SWTED) && \
(p)->p_pptr == (curp) && \
((p)->p_flag & STRC))
@ -121,8 +122,7 @@ procfs_control(curp, p, op)
return (EINVAL);
/*
* Go ahead and set the trace flag, and note that,
* if we wanted one, we've got it.
* Go ahead and set the trace flag.
* Save the old parent (it's reset in
* _DETACH, and also in kern_exit.c:wait4()
* Reparent the process so that the tracing
@ -130,7 +130,6 @@ procfs_control(curp, p, op)
* Stop the target.
*/
p->p_flag |= STRC;
p->p_flag &= ~SWTED;
if (p->p_pptr != curp) {
p->p_oppid = p->p_pptr->p_pid;
proc_reparent(p, curp);
@ -151,10 +150,6 @@ procfs_control(curp, p, op)
break;
default:
/*
* XXX -- if the process is not stopped but SWTED is set, in
* its flags, we should try to attach to it!
*/
if (!TRACE_WAIT_P(curp, p))
return (EBUSY);
}
@ -193,6 +188,7 @@ procfs_control(curp, p, op)
proc_reparent(p, pp);
}
p->p_flag &= ~SWTED; /* XXX ? */
p->p_oppid = 0;
break;