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* include/fcntl.h: Declare __have_atfcts.

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* 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
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24
sysdeps/unix/sysv/linux/kernel-features.h
View File

@ -463,3 +463,27 @@
#if __LINUX_KERNEL_VERSION >= 0x02041a
# define __ASSUME_TMPFS_NAME 1
#endif
/* pselect was introduced just after 2.6.16-rc1. Due to the way the
kernel versions are advertised we can only rely on 2.6.17 to have
the code. */
#if __LINUX_KERNEL_VERSION >= 0x020611 \
&& (defined __i386__ || defined __powerpc__)
# define __ASSUME_PSELECT 1
#endif
/* ppoll was introduced just after 2.6.16-rc1. Due to the way the
kernel versions are advertised we can only rely on 2.6.17 to have
the code. */
#if __LINUX_KERNEL_VERSION >= 0x020611 \
&& (defined __i386__ || defined __powerpc__)
# define __ASSUME_PPOLL 1
#endif
/* The *at syscalls were introduced just after 2.6.16-rc1. Due to the way the
kernel versions are advertised we can only rely on 2.6.17 to have
the code. */
#if __LINUX_KERNEL_VERSION >= 0x020611 \
&& (defined __i386__ || defined __x86_64__)
# define __ASSUME_ATFCTS 1
#endif