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Correctly describe conditions of ESRCH & EACCESS errors

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jtc 1994-05-02 23:54:59 +00:00
parent 0985e0980b
commit aec02f9cc9
1 changed files with 11 additions and 3 deletions
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14
lib/libc/sys/setpgid.2
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@ -30,7 +30,7 @@
.\" SUCH DAMAGE.
.\"
.\" from: @(#)setpgid.2 6.3 (Berkeley) 3/10/91
.\" $Id: setpgid.2,v 1.6 1994/01/10 23:54:26 jtc Exp $
.\" $Id: setpgid.2,v 1.7 1994/05/02 23:54:59 jtc Exp $
.\"
.Dd March 10, 1991
.Dt SETPGRP 2
@ -68,12 +68,20 @@ indicates the reason.
.Fn Setpgid
will fail and the process group will not be altered if:
.Bl -tag -width Er
.It Bq Er ESRCH
The requested process does not exist.
.It Bq Er EACCESS
The value of the
.Fa pid
argument matches the process ID of a child process of the calling process,
and the child process has successfully executed one of the exec functions.
.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 descendant
of the calling process.
.It Bq Er ESRCH
The value of the
.Fa pid
argument does not match the process ID of the calling process or of a
child process of the calling process.
.El
.Sh SEE ALSO
.Xr getpgrp 2