glibc/sysdeps/unix/sysv/linux/fxstat64.c
Ulrich Drepper d060e318a7 Update.
2002-04-14  Ulrich Drepper  <drepper@redhat.com>

	* include/sys/stat.h: Declare __fxstat_internal and __fxstat64_internal
	and define __fxstate and __fxstat64 macros if not NOT_IN_libc.
	Remove __lstat and __fstat inline functions.
	* sysdeps/generic/fxstat.c: Use INTDEF for __fxstat.
	* sysdeps/mach/hurd/fxstat.c: Likewise.
	* sysdeps/unix/fxstat.c: Likewise.
	* sysdeps/unix/sysv/aix/fxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/fxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/fxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/fxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/fxstat.c: Likewise.
	* sysdeps/generic/fxstat64.c: Use INTDEF for __fxstat64.
	* sysdeps/mach/hurd/fxstat64.c: Likewise.
	* sysdeps/unix/sysv/aix/fxstat64.c: Likewise.
	* sysdeps/unix/sysv/linux/fxstat64.c: Likewise.

	* include/unistd.h: Declare __getpid_internal and define
	__getpid macro if not NOT_IN_libc.
	* sysdeps/mach/hurd/getpid.c: Use INTDEF for __getpid.
	* sysdeps/generic/getpid.c: Likewise.
	* sysdeps/unix/syscalls.list: Add __getpid_internal alias.

	* include/unistd.h: Declare __getpgid_internal and define
	__getpgid macro if not NOT_IN_libc.
	* sysdeps/generic/getpgid.c: Use INTDEF for __getpgid.
	* sysdeps/mach/hurd/getpgid.c: Likewise.
	* sysdeps/unix/sysv/aix/getpgid.c: Likewise.
	* sysdeps/unix/sysv/sysv4/__getpgid.c: Likewise.
	* sysdeps/unix/sysv/sysv4/getpgid.c: Likewise.
	* sysdeps/unix/sysv/linux/syscalls.list: Add _getpgid_internal alias.

	* include/unistd.h: Declare __getpagesize_internal and define
	__getpagesize macro if not NOT_IN_libc.
	* sysdeps/unix/sysv/linux/shmat.c: Include <unistd.h> for
	__getpagesize.
	* sysdeps/generic/getpagesize.c: Use INTDEF for __getpagesize.
	* sysdeps/mach/getpagesize.c: Likewise.
	* sysdeps/posix/getpagesize.c: Likewise.
	* sysdeps/unix/getpagesize.c: Likewise.
	* sysdeps/unix/sysv/linux/getpagesize.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/getpagesize.c: Likewise.
	* sysdeps/unix/sysv/linux/m68k/getpagesize.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/getpagesize.c: Likewise.
2002-04-14 08:47:01 +00:00

105 lines
2.9 KiB
C

/* fxstat64 using old-style Unix fstat system call.
Copyright (C) 1997,1998,1999,2000,2001,2002 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 <stddef.h>
#include <sys/stat.h>
#include <kernel_stat.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include "kernel-features.h"
#if __ASSUME_STAT64_SYSCALL == 0
# include <xstatconv.c>
#endif
extern int __syscall_fstat (int, struct kernel_stat *__unbounded);
#ifdef __NR_fstat64
extern int __syscall_fstat64 (int, struct stat64 *__unbounded);
# if __ASSUME_STAT64_SYSCALL == 0
/* The variable is shared between all wrappers around *stat64 calls. */
extern int __have_no_stat64;
# endif
#endif
/* Get information about the file FD in BUF. */
extern int ___fxstat64 (int vers, int fd, struct stat64 *buf);
int
___fxstat64 (int vers, int fd, struct stat64 *buf)
{
int result;
#if __ASSUME_STAT64_SYSCALL > 0
result = INLINE_SYSCALL (fstat64, 2, fd, CHECK_1 (buf));
# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
if (__builtin_expect (!result, 1) && buf->__st_ino != (__ino_t) buf->st_ino)
buf->st_ino = buf->__st_ino;
# endif
return result;
#else
struct kernel_stat kbuf;
# if defined __NR_fstat64
if (! __have_no_stat64)
{
int saved_errno = errno;
result = INLINE_SYSCALL (fstat64, 2, fd, CHECK_1 (buf));
if (result != -1 || errno != ENOSYS)
{
# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
if (!result && buf->__st_ino != (__ino_t)buf->st_ino)
buf->st_ino = buf->__st_ino;
# endif
return result;
}
__set_errno (saved_errno);
__have_no_stat64 = 1;
}
# endif
result = INLINE_SYSCALL (fstat, 2, fd, __ptrvalue (&kbuf));
if (result == 0)
result = xstat64_conv (vers, &kbuf, buf);
return result;
#endif
}
#ifndef RTLD_STAT64
# include <shlib-compat.h>
versioned_symbol (libc, ___fxstat64, __fxstat64, GLIBC_2_2);
INTDEF2(___fxstat64, __fxstat64)
# if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2)
strong_alias (___fxstat64, __old__fxstat64)
compat_symbol (libc, __old__fxstat64, __fxstat64, GLIBC_2_1);
# endif
#else
strong_alias (___fxstat64, __fxstat64);
INTDEF(__fxstat64)
#endif