diff options
| -rw-r--r-- | lib/libc/sys/setpgid.2 | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/lib/libc/sys/setpgid.2 b/lib/libc/sys/setpgid.2 index 37c1d98..c771e03 100644 --- a/lib/libc/sys/setpgid.2 +++ b/lib/libc/sys/setpgid.2 @@ -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 target process is a session leader. .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 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 |
