d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Update the documentation for setpgrp(2) to reflect the access control

Browse Source 
checks that the code actually performs.  Judging from the 4.2BSD
release notes, the docs have only been out of date for 20 years.

PR:	29844
This commit is contained in:
David Schultz 2004-02-08 12:38:30 +00:00
parent df3df337b8
commit 10b1416d2f
1 changed files with 21 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
lib/libc/sys/setpgid.2
View File

@ -32,7 +32,7 @@
.\" @(#)setpgid.2 8.1 (Berkeley) 6/4/93
.\" $FreeBSD$
.\"
.Dd June 4, 1993
.Dd February 8, 2004
.Dt SETPGID 2
.Os
.Sh NAME
@ -59,9 +59,12 @@ If
.Fa pid
is zero, then the call applies to the current process.
.Pp
If the invoker is not the super-user, then the affected process
must have the same effective user-id as the invoker or be a descendant
of the invoking process.
If the affected process is not the invoking process, then it must be a
child of the invoking process, it must not have performed an
.Xr exec 3
operation, and both processes must be in the same session.
The requested process group ID must already exist in the session of
the caller, or it must be equal to the target process ID.
.Sh RETURN VALUES
.Rv -std setpgid
.Sh ERRORS
@ -70,12 +73,23 @@ The
system call
will fail and the process group will not be altered if:
.Bl -tag -width Er
.It Bq Er EINVAL
The requested process group ID is not legal.
.It Bq Er ESRCH
The requested process does not exist.
.It Bq Er ESRCH
The target process is not the calling process or
a child of the calling process.
.It Bq Er EACCES
The requested process is a child of the calling process,
but it has performed an
.Xr exec 3
operation.
.It Bq Er EPERM
The effective user ID of the requested process is different
from that of the caller and the process is not a descendent
of the calling process.
The target process is a session leader.
.It Bq Er EPERM
The requested process group ID is not in the session of the caller,
and it is not equal to the process ID of the target process.
.El
.Sh SEE ALSO
.Xr getpgrp 2