1 files changed, 54 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/setresuid.c b/sysdeps/unix/sysv/linux/setresuid.c
new file mode 100644
index 0000000000..962d944aa4
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/setresuid.c
@@ -0,0 +1,54 @@
+/* Copyright (C) 1998, 2000, 2003, 2004 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+
+#include <linux/posix_types.h>
+#include "kernel-features.h"
+#include <pthread-functions.h>
+
+
+int
+__setresuid (uid_t ruid, uid_t euid, uid_t suid)
+{
+  int result;
+
+  result = INLINE_SYSCALL (setresuid, 3, ruid, euid, suid);
+
+#if defined HAVE_PTR__NPTL_SETXID && !defined SINGLE_THREAD
+  if (result == 0 && __libc_pthread_functions.ptr__nptl_setxid != NULL)
+    {
+      struct xid_command cmd;
+      cmd.syscall_no = __NR_setresuid;
+      cmd.id[0] = ruid;
+      cmd.id[1] = euid;
+      cmd.id[2] = suid;
+      __libc_pthread_functions.ptr__nptl_setxid (&cmd);
+    }
+#endif
+
+  return result;
+}
+#ifndef __setresuid
+weak_alias (__setresuid, setresuid)
+#endif