projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 3ebb09da KM |
1 | .\" Copyright (c) 1980 Regents of the University of California. |
| 2 | .\" All rights reserved. The Berkeley software License Agreement | |
| 3 | .\" specifies the terms and conditions for redistribution. | |
| 4 | .\" | |
| 16556f1d | 5 | .\" @(#)setpgid.2 6.1 (Berkeley) %G% |
| 3ebb09da | 6 | .\" |
| 16556f1d | 7 | .TH SETPGRP 2 "" |
| 3ebb09da KM |
8 | .UC 4 |
| 9 | .SH NAME | |
| f4199a91 | 10 | setpgrp \- set process group |
| 3ebb09da | 11 | .SH SYNOPSIS |
| f4199a91 KM |
12 | .ft B |
| 13 | setpgrp(pid, pgrp) | |
| 14 | .br | |
| 15 | int pid, pgrp; | |
| 16 | .ft R | |
| 3ebb09da | 17 | .SH DESCRIPTION |
| 3ebb09da KM |
18 | .I Setpgrp |
| 19 | sets the process group of the specified process | |
| 20 | .I pid | |
| 21 | to the specified | |
| f4199a91 | 22 | .IR pgrp . |
| 3ebb09da KM |
23 | If |
| 24 | .I pid | |
| 25 | is zero, then the call applies to the current process. | |
| 26 | .PP | |
| 27 | If the invoker is not the super-user, then the affected process | |
| 28 | must have the same effective user-id as the invoker or be a descendant | |
| 29 | of the invoking process. | |
| f4199a91 KM |
30 | .SH "RETURN VALUE |
| 31 | .I Setpgrp | |
| 32 | returns when the operation was successful. If | |
| 33 | the request failed, \-1 is returned and the global | |
| 34 | variable | |
| 35 | .I errno | |
| 36 | indicates the reason. | |
| 37 | .SH ERRORS | |
| 38 | .I Setpgrp | |
| 39 | will fail and the process group will not be altered if | |
| 40 | one of the following occur: | |
| 41 | .TP 15 | |
| 42 | [ESRCH] | |
| 43 | The requested process does not exist. | |
| 44 | .TP 15 | |
| 45 | [EPERM] | |
| 46 | The effective user ID of the requested process is different | |
| 47 | from that of the caller and the process is not a descendent | |
| 48 | of the calling process. | |
| 3ebb09da | 49 | .SH "SEE ALSO" |
| f4199a91 | 50 | getpgrp(2) |