lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-07-29 11:41:21 +03:00
Code Activity

* include/fcntl.h: Declare __have_atfcts.

Browse Source 
* sysdeps/unix/sysv/linux/faccessat.c: Use syscall if available.
	* sysdeps/unix/sysv/linux/fchmodat.c: Likewise.
	* sysdeps/unix/sysv/linux/fchownat.c: Likewise.
	* sysdeps/unix/sysv/linux/futimesat.c: Likewise.
	* sysdeps/unix/sysv/linux/linkat.c: Likewise.
	* sysdeps/unix/sysv/linux/mkdirat.c: Likewise.
	* sysdeps/unix/sysv/linux/openat.c: Likewise.
	* sysdeps/unix/sysv/linux/readlinkat.c: Likewise.
	* sysdeps/unix/sysv/linux/renameat.c: Likewise.
	* sysdeps/unix/sysv/linux/symlinkat.c: Likewise.
	* sysdeps/unix/sysv/linux/unlinkat.c: Likewise.
	* sysdeps/unix/sysv/linux/xmknodat.c: Likewise.
	* sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c: Likewise.
	* sysdeps/unix/sysv/linux/kernel-features.h: Define __ASSUME_PSELECT,
	__ASSUME_PPOLL, and __ASSUME_ATFCTS if possible.

	* io/ppoll.c: New file.
	* io/Makefile (routines): Add ppoll.
	(CFLAGS-ppoll.c): Define.
	* io/Versions: Export ppoll for GLIBC_2.4.
	* io/sys/poll.h: Declare ppoll.
	* sysdeps/unix/sysv/linux/ppoll.c: New file.

	* misc/pselect.c: Make it possible to include this file to define
	the generic code as a static function.
	* sysdeps/unix/sysv/linux/pselect.c: New file.
This commit is contained in:
Ulrich Drepper
2006-01-20 07:08:05 +00:00
parent 93c04024a6
commit 7c65e9001b
25 changed files with 733 additions and 77 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
sysdeps/unix/sysv/linux/renameat.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2005 Free Software Foundation, Inc.
/* Copyright (C) 2005, 2006 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
@ -20,9 +20,11 @@
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <kernel-features.h>
#include <sysdep.h>
#ifndef __ASSUME_ATFCTS
void
attribute_hidden
__atfct_seterrno_2 (int errval, int fd1, const char *buf1, int fd2,
@ -67,6 +69,7 @@ __atfct_seterrno_2 (int errval, int fd1, const char *buf1, int fd2,
out:
__set_errno (errval);
}
#endif
/* Rename the file OLD relative to OLDFD to NEW relative to NEWFD. */
@ -77,6 +80,24 @@ renameat (oldfd, old, newfd, new)
int newfd;
const char *new;
{
int result;
#ifdef __NR_renameat
# ifndef __ASSUME_ATFCTS
if (__have_atfcts >= 0)
# endif
{
result = INLINE_SYSCALL (renameat, 4, oldfd, old, newfd, new);
# ifndef __ASSUME_ATFCTS
if (result == -1 && errno == ENOSYS)
__have_atfcts = -1;
else
# endif
return result;
}
#endif
#ifndef __ASSUME_ATFCTS
static const char procfd[] = "/proc/self/fd/%d/%s";
char *bufold = NULL;
@ -118,7 +139,7 @@ renameat (oldfd, old, newfd, new)
INTERNAL_SYSCALL_DECL (err);
int result = INTERNAL_SYSCALL (rename, err, 2, old, new);
result = INTERNAL_SYSCALL (rename, err, 2, old, new);
if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 0))
{
@ -128,4 +149,5 @@ renameat (oldfd, old, newfd, new)
}
return result;
#endif
}