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authorUlrich Drepper <drepper@redhat.com>2006-01-20 07:08:05 +0000
committerUlrich Drepper <drepper@redhat.com>2006-01-20 07:08:05 +0000
commit7c65e9001b93d5d20046bc4d50fd10fff5f4adc2 (patch)
tree38f65e2a20910e6d074fbcec137eb66853e70eaa /sysdeps/unix/sysv/linux/kernel-features.h
parent93c04024a6b900b69bbe9a70de06ac23b8273787 (diff)
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* include/fcntl.h: Declare __have_atfcts.
	* 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.
Diffstat (limited to 'sysdeps/unix/sysv/linux/kernel-features.h')
-rw-r--r--sysdeps/unix/sysv/linux/kernel-features.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index 594af419c8..837a1c14fb 100644
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -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