diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/setgid.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/setgid.c | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/setgid.c b/sysdeps/unix/sysv/linux/i386/setgid.c index 1fdca94064..17bfc3e58a 100644 --- a/sysdeps/unix/sysv/linux/i386/setgid.c +++ b/sysdeps/unix/sysv/linux/i386/setgid.c @@ -1,4 +1,5 @@ -/* 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 @@ -26,6 +27,8 @@ #include <linux/posix_types.h> #include "kernel-features.h" +#include <pthread-functions.h> + #ifdef __NR_setgid32 # if __ASSUME_32BITUIDS == 0 @@ -38,18 +41,21 @@ extern int __libc_missing_32bit_uids; int __setgid (gid_t gid) { + int result; + #if __ASSUME_32BITUIDS > 0 - return INLINE_SYSCALL (setgid32, 1, gid); + result = INLINE_SYSCALL (setgid32, 1, gid); #else # ifdef __NR_setgid32 if (__libc_missing_32bit_uids <= 0) { - int result; int saved_errno = errno; result = INLINE_SYSCALL (setgid32, 1, gid); - if (result == 0 || errno != ENOSYS) + if (result == 0) + goto out; + if (errno != ENOSYS) return result; __set_errno (saved_errno); @@ -64,7 +70,24 @@ __setgid (gid_t gid) return -1; } - return INLINE_SYSCALL (setgid, 1, gid); + result = INLINE_SYSCALL (setgid, 1, gid); +# ifdef __NR_setgid32 + 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_setgid32; + cmd.id[0] = gid; + __libc_pthread_functions.ptr__nptl_setxid (&cmd); + } #endif + + return result; } +#ifndef __setgid weak_alias (__setgid, setgid) +#endif |