Merge glibc-ports into ports/ directory.glibc-2.16-ports-merge

1 files changed, 64 insertions, 0 deletions

diff --git a/ports/sysdeps/unix/sysv/linux/arm/kernel-features.h b/ports/sysdeps/unix/sysv/linux/arm/kernel-features.h
new file mode 100644
index 0000000000..74d549a996
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/arm/kernel-features.h
@@ -0,0 +1,64 @@
+/* Set flags signalling availability of kernel features based on given
+   kernel version number.
+   Copyright (C) 2006-2012 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* The utimes syscall was added before 2.6.1.  */
+#if __LINUX_KERNEL_VERSION >= 132609
+# define __ASSUME_UTIMES	1
+#endif
+
+/* On ARM the mmap2/stat64/lstat64/fstat64 syscalls were introduced in
+   2.3.35.  */
+#if __LINUX_KERNEL_VERSION >= 131875
+# define __ASSUME_MMAP2_SYSCALL		1
+# define __ASSUME_STAT64_SYSCALL	1
+#endif
+
+/* Arm got fcntl64 in 2.4.4.  */
+#if __LINUX_KERNEL_VERSION >= 132100
+# define __ASSUME_FCNTL64		1
+#endif
+
+/* The vfork syscall on arm was definitely available in 2.4.  */
+#if __LINUX_KERNEL_VERSION >= 132097
+# define __ASSUME_VFORK_SYSCALL		1
+#endif
+
+/* The signal frame layout changed in 2.6.18.  */
+#if __LINUX_KERNEL_VERSION >= 132626
+# define __ASSUME_SIGFRAME_V2	1
+#endif
+
+/* Support for the eventfd2 and signalfd4 syscalls was added in 2.6.27.  */
+#if __LINUX_KERNEL_VERSION >= 0x02061b
+# define __ASSUME_EVENTFD2	1
+# define __ASSUME_SIGNALFD4	1
+#endif
+
+/* Support for the accept4 syscall was added in 2.6.36.  */
+#if __LINUX_KERNEL_VERSION >= 0x020624
+# define __ASSUME_ACCEPT4	1
+#endif
+
+#include_next <kernel-features.h>
+
+/* Support for pselect6, ppoll and epoll_pwait was added in 2.6.32.  */
+#if __LINUX_KERNEL_VERSION < 0x020620
+# undef __ASSUME_PSELECT
+# undef __ASSUME_PPOLL
+#endif