GETGID
Section: Linux Programmer's Manual (2)
Updated: 1993-07-23
NAME
getgid, getegid - get group identity
SYNOPSIS
#include <unistd.h>
#include <sys/types.h>
gid_t getgid(void);
gid_t getegid(void);
DESCRIPTION
getgid()
returns the real group ID of the calling process.
getegid()
returns the effective group ID of the calling process.
When a normal program is executed, the effective and real group ID of
the process are set to the group ID of the user executing the file.
When a set ID program is executed the real group ID is set to the
group of the calling user and the effective user ID corresponds to the
set group ID bit on the file being executed.
ERRORS
These functions are always successful.
CONFORMING TO
POSIX.1-2001, 4.3BSD.
SEE ALSO
getresgid(2),
setgid(2),
setregid(2),
credentials(7)
COLOPHON
This page is part of release 3.27 of the Linux
man-pages
project.
A description of the project,
and information about reporting bugs,
can be found at
http://www.kernel.org/doc/man-pages/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- ERRORS
-
- CONFORMING TO
-
- SEE ALSO
-
- COLOPHON
-
This document was created by
man2html,
using the manual pages.
Time: 07:34:55 GMT, March 26, 2013