diff options
Diffstat (limited to 'REORG.TODO/sysdeps/mach/hurd/getegid.c')
-rw-r--r-- | REORG.TODO/sysdeps/mach/hurd/getegid.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mach/hurd/getegid.c b/REORG.TODO/sysdeps/mach/hurd/getegid.c new file mode 100644 index 0000000000..0a9a74a9b3 --- /dev/null +++ b/REORG.TODO/sysdeps/mach/hurd/getegid.c @@ -0,0 +1,56 @@ +/* Copyright (C) 1993-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <unistd.h> +#include <hurd.h> +#include <hurd/id.h> + +/* Get the effective group ID of the calling process. */ +gid_t +__getegid (void) +{ + error_t err; + gid_t egid; + + HURD_CRITICAL_BEGIN; + __mutex_lock (&_hurd_id.lock); + + if (err = _hurd_check_ids ()) + { + errno = err; + egid = -1; + } + else if (_hurd_id.gen.ngids >= 1) + egid = _hurd_id.gen.gids[0]; + else if (_hurd_id.aux.ngids >= 1) + /* We have no effective gids. Return the real gid. */ + egid = _hurd_id.aux.gids[0]; + else + { + /* We do not even have a real gid. */ + errno = EGRATUITOUS; + egid = -1; + } + + __mutex_unlock (&_hurd_id.lock); + HURD_CRITICAL_END; + + return egid; +} + +weak_alias (__getegid, getegid) |