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.
ERRORS¶
These functions are always successful.
POSIX.1-2001, 4.3BSD.
NOTES¶
The original Linux
getgid() and
getegid() system calls supported
only 16-bit group IDs. Subsequently, Linux 2.4 added
getgid32() and
getegid32(), supporting 32-bit IDs. The glibc
getgid() and
getegid() wrapper functions transparently deal with the variations
across kernel versions.
SEE ALSO¶
getresgid(2),
setgid(2),
setregid(2),
credentials(7)
COLOPHON¶
This page is part of release 3.74 of the Linux
man-pages project. A
description of the project, information about reporting bugs, and the latest
version of this page, can be found at
http://www.kernel.org/doc/man-pages/.
