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349834c5 KM |
1 | .\" Copyright (c) 1983 Regents of the University of California. |
2 | .\" All rights reserved. The Berkeley software License Agreement | |
3 | .\" specifies the terms and conditions for redistribution. | |
4 | .\" | |
7f398d2d | 5 | .\" @(#)setgroups.2 6.3 (Berkeley) %G% |
349834c5 | 6 | .\" |
10d611fe | 7 | .TH SETGROUPS 2 "" |
349834c5 KM |
8 | .UC 5 |
9 | .SH NAME | |
10 | setgroups \- set group access list | |
11 | .SH SYNOPSIS | |
12 | .nf | |
13 | .ft B | |
14 | #include <sys/param.h> | |
15 | .PP | |
16 | .ft B | |
17 | setgroups(ngroups, gidset) | |
18 | int ngroups, *gidset; | |
19 | .fi | |
20 | .SH DESCRIPTION | |
21 | .I Setgroups | |
22 | sets the group access list of the current user process | |
23 | according to the array | |
24 | .IR gidset . | |
25 | The parameter | |
26 | .I ngroups | |
27 | indicates the number of entries in the array and must be no | |
34517f62 | 28 | more than NGROUPS, as defined in |
349834c5 KM |
29 | .RI < sys/param.h >. |
30 | .PP | |
31 | Only the super-user may set new groups. | |
32 | .SH "RETURN VALUE | |
33 | A 0 value is returned on success, \-1 on error, with | |
34 | a error code stored in \fIerrno\fP. | |
35 | .SH "ERRORS | |
36 | The \fIsetgroups\fP call will fail if: | |
37 | .TP 15 | |
38 | [EPERM] | |
39 | The caller is not the super-user. | |
40 | .TP 15 | |
41 | [EFAULT] | |
42 | The address specified for \fIgidset\fP is outside the process | |
43 | address space. | |
44 | .SH "SEE ALSO | |
45 | getgroups(2), initgroups(3X) | |
7f398d2d MK |
46 | .SH BUGS |
47 | The | |
48 | .I gidset | |
49 | array should be of type | |
50 | .BR gid_t , | |
51 | but remains integer for compatibility with earlier systems. |