diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/setresuid.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/setresuid.c | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/setresuid.c b/sysdeps/unix/sysv/linux/i386/setresuid.c index 537fb7995b..66e5a1c0c1 100644 --- a/sysdeps/unix/sysv/linux/i386/setresuid.c +++ b/sysdeps/unix/sysv/linux/i386/setresuid.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1998, 2000, 2002, 2003 Free Software Foundation, Inc. +/* Copyright (C) 1998, 2000, 2002, 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 +25,8 @@ #include <sysdep.h> #include <sys/syscall.h> #include "kernel-features.h" +#include <pthread-functions.h> + #ifdef __NR_setresuid @@ -39,17 +41,20 @@ extern int __libc_missing_32bit_uids; int __setresuid (uid_t ruid, uid_t euid, uid_t suid) { + int result; + # if __ASSUME_32BITUIDS > 0 - return INLINE_SYSCALL (setresuid32, 3, ruid, euid, suid); + result = INLINE_SYSCALL (setresuid32, 3, ruid, euid, suid); # else # ifdef __NR_setresuid32 if (__libc_missing_32bit_uids <= 0) { - int result; int saved_errno = errno; result = INLINE_SYSCALL (setresuid32, 3, ruid, euid, suid); - if (result == 0 || errno != ENOSYS) + if (result == 0) + goto out; + if (errno != ENOSYS) return result; __set_errno (saved_errno); @@ -65,11 +70,30 @@ __setresuid (uid_t ruid, uid_t euid, uid_t suid) return -1; } - return INLINE_SYSCALL (setresuid, 3, ruid, euid, suid); + result = INLINE_SYSCALL (setresuid, 3, ruid, euid, suid); +# ifdef __NR_setresuid32 + 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_setresuid32; + cmd.id[0] = ruid; + cmd.id[1] = euid; + cmd.id[2] = suid; + __libc_pthread_functions.ptr__nptl_setxid (&cmd); + } +#endif + + return result; } libc_hidden_def (__setresuid) +#ifndef __setresuid weak_alias (__setresuid, setresuid) +#endif #else |