diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/setreuid.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/setreuid.c | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/setreuid.c b/sysdeps/unix/sysv/linux/i386/setreuid.c index 2aadf7437f..1e1bfcf0d4 100644 --- a/sysdeps/unix/sysv/linux/i386/setreuid.c +++ b/sysdeps/unix/sysv/linux/i386/setreuid.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1998, 2000, 2003 Free Software Foundation, Inc. +/* 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 @@ -25,6 +25,7 @@ #include <linux/posix_types.h> #include "kernel-features.h" +#include <pthread-functions.h> #ifdef __NR_setreuid32 @@ -38,18 +39,21 @@ extern int __libc_missing_32bit_uids; int __setreuid (uid_t ruid, uid_t euid) { + int result; + #if __ASSUME_32BITUIDS > 0 - return INLINE_SYSCALL (setreuid32, 2, ruid, euid); + result = INLINE_SYSCALL (setreuid32, 2, ruid, euid); #else # ifdef __NR_setreuid32 if (__libc_missing_32bit_uids <= 0) { - int result; int saved_errno = errno; result = INLINE_SYSCALL (setreuid32, 2, ruid, euid); - if (result == 0 || errno != ENOSYS) + if (result == 0) + goto out; + if (errno != ENOSYS) return result; __set_errno (saved_errno); @@ -63,7 +67,25 @@ __setreuid (uid_t ruid, uid_t euid) return -1; } - return INLINE_SYSCALL (setreuid, 2, ruid, euid); + result = INLINE_SYSCALL (setreuid, 2, ruid, euid); +# ifdef __NR_setreuid32 + out: +# endif #endif + +#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_setreuid32; + 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 |