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Update man page to correct PROC_* names (addresses PR lib/23645) and

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also describe the new PROC_PID_STOPEXIT variable.

Man page still not updated to include new features.  I'm still working
on that.
This commit is contained in:
atatat 2003-12-09 01:39:03 +00:00
parent a5d6d5ebfd
commit 31f1dc4a27
1 changed files with 35 additions and 17 deletions
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52
lib/libc/gen/sysctl.3
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@ -1,4 +1,4 @@
.\" $NetBSD: sysctl.3,v 1.125 2003/11/23 07:22:19 wiz Exp $
.\" $NetBSD: sysctl.3,v 1.126 2003/12/09 01:39:03 atatat Exp $
.\"
.\" Copyright (c) 1993
.\" The Regents of the University of California. All rights reserved.
@ -1385,9 +1385,10 @@ points to the current process, or the PID of the target process.
.Bl -column "USER_COLL_WEIGHTS_MAXXXX" "integerXXX" "yes" -offset indent
.It Sy Third level name Type Changeable
.It PROC\_PID\_CORENAME string yes
.It PROC\_STOPEXEC int yes
.It PROC\_STOPFORK int yes
.It PROC\_PID\_LIMIT node not applicable
.It PROC\_PID\_STOPFORK int yes
.It PROC\_PID\_STOPEXEC int yes
.It PROC\_PID\_STOPEXIT int yes
.El
.Bl -tag -width "123456"
.Pp
@ -1444,20 +1445,7 @@ The maximum number of open files for this process.
The fifth level name is one of PROC_PID_LIMIT_TYPE_SOFT or
PROC_PID_LIMIT_TYPE_HARD, to select respectively the soft or hard limit.
Both are of type integer.
.It Li PROC_STOPEXEC
If non zero, the process will be stopped on next
.Xr exec 3
call.
The process created by
.Xr exec 3
is created in the SSTOP state and is never scheduled for running
before being stopped.
This feature helps attaching a process with a debugger such as
.Xr gdb 1
before it had the opportunity to actually do anything.
.Pp
This value is inherited by the process's children.
.It Li PROC_STOPFORK
.It Li PROC_PID_STOPFORK
If non zero, the process' children will be stopped after
.Xr fork 2
calls.
@ -1472,6 +1460,36 @@ apply to emulation specific system calls that fork a new process, such as
.Fn sproc
or
.Fn clone .
.It Li PROC_PID_STOPEXEC
If non zero, the process will be stopped on next
.Xr exec 3
call.
The process created by
.Xr exec 3
is created in the SSTOP state and is never scheduled for running
before being stopped.
This feature helps attaching a process with a debugger such as
.Xr gdb 1
before it had the opportunity to actually do anything.
.Pp
This value is inherited by the process's children.
.It Li PROC_PID_STOPEXIT
If non zero, the process will be stopped on when it has cause to exit,
either by way of calling
.Xr exit 3 ,
.Xr _exit 2 ,
or by the receipt of a specific signal.
The process is stopped before any of its resources or vm space is
released allowing examination of the termination state of a process
before it disappears.
This feature can be used to examine the final conditions of the
process's vmspace via
.Xr pmap 1
or its resource settings with
.Xr sysctl 8
before it disappears.
.Pp
This value is also inherited by the process's children.
.El
.Sh CTL_USER
The string and integer information available for the CTL_USER level