diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/setreuid.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/setreuid.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/setreuid.c b/sysdeps/unix/sysv/linux/setreuid.c new file mode 100644 index 0000000000..c9d841eca0 --- /dev/null +++ b/sysdeps/unix/sysv/linux/setreuid.c @@ -0,0 +1,53 @@ +/* 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 +__setreuid (uid_t ruid, uid_t euid) +{ + int result; + + result = INLINE_SYSCALL (setreuid, 2, ruid, euid); + +#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_setreuid; + cmd.id[0] = ruid; + cmd.id[1] = euid; + __libc_pthread_functions.ptr__nptl_setxid (&cmd); + } +#endif + + return result; +} +#ifndef __setreuid +weak_alias (__setreuid, setreuid) +#endif |