1 files changed, 39 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/getresgid.c b/sysdeps/unix/sysv/linux/getresgid.c
new file mode 100644
index 0000000000..2fe461a787
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/getresgid.c
@@ -0,0 +1,39 @@
+/* Copyright (C) 1998 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <unistd.h>
+#include <sys/types.h>
+
+#include <linux/posix_types.h>
+
+extern int __syscall_getresgid (__kernel_gid_t *rgid, __kernel_gid_t *egid,
+				__kernel_gid_t *sgid);
+
+int
+getresgid (gid_t *rgid, gid_t *egid, gid_t *sgid)
+{
+  __kernel_gid_t k_rgid, k_egid, k_sgid;
+
+  if (__syscall_getresgid (&k_rgid, &k_egid, &k_sgid) < 0)
+    return -1;
+
+  *rgid = (gid_t) k_rgid;
+  *egid = (gid_t) k_egid;
+  *sgid = (gid_t) k_sgid;
+  return 0;
+}