From 3d08cd331c1adcf0d917392f7e527b3f00511748 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 24 May 2024 06:52:22 +0200 Subject: Merging upstream version 6.8. Signed-off-by: Daniel Baumann --- man/man2/getgid.2 | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 man/man2/getgid.2 (limited to 'man/man2/getgid.2') diff --git a/man/man2/getgid.2 b/man/man2/getgid.2 new file mode 100644 index 0000000..2d4dd50 --- /dev/null +++ b/man/man2/getgid.2 @@ -0,0 +1,70 @@ +.\" Copyright 1993 Rickard E. Faith (faith@cs.unc.edu) +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.TH getgid 2 2024-05-02 "Linux man-pages (unreleased)" +.SH NAME +getgid, getegid \- get group identity +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.B #include +.P +.B gid_t getgid(void); +.B gid_t getegid(void); +.fi +.SH DESCRIPTION +.BR getgid () +returns the real group ID of the calling process. +.P +.BR getegid () +returns the effective group ID of the calling process. +.SH ERRORS +These functions are always successful +and never modify +.\" https://www.austingroupbugs.net/view.php?id=511 +.\" 0000511: getuid and friends should not modify errno +.IR errno . +.SH VERSIONS +On Alpha, instead of a pair of +.BR getgid () +and +.BR getegid () +system calls, a single +.BR getxgid () +system call is provided, which returns a pair of real and effective GIDs. +The glibc +.BR getgid () +and +.BR getegid () +wrapper functions transparently deal with this. +See +.BR syscall (2) +for details regarding register mapping. +.SH STANDARDS +POSIX.1-2008. +.SH HISTORY +POSIX.1-2001, 4.3BSD. +.P +The original Linux +.BR getgid () +and +.BR getegid () +system calls supported only 16-bit group IDs. +Subsequently, Linux 2.4 added +.BR getgid32 () +and +.BR getegid32 (), +supporting 32-bit IDs. +The glibc +.BR getgid () +and +.BR getegid () +wrapper functions transparently deal with the variations across kernel versions. +.SH SEE ALSO +.BR getresgid (2), +.BR setgid (2), +.BR setregid (2), +.BR credentials (7) -- cgit v1.2.3