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Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/ia64/kernel-features.h')
-rw-r--r--ports/sysdeps/unix/sysv/linux/ia64/kernel-features.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/ia64/kernel-features.h b/ports/sysdeps/unix/sysv/linux/ia64/kernel-features.h
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index 0000000000..f8dc4812cf
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+++ b/ports/sysdeps/unix/sysv/linux/ia64/kernel-features.h
@@ -0,0 +1,63 @@
+/* Set flags signalling availability of kernel features based on given
+ kernel version number.
+ Copyright (C) 2010-2012 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/>. */
+
+#ifndef _KERNEL_FEATURES_H
+#define _KERNEL_FEATURES_H 1
+
+/* The late 2.5 kernels saw a lot of new CLONE_* flags. Summarize
+ their availability with one define. */
+#if __LINUX_KERNEL_VERSION >= 132416
+# define __ASSUME_CLONE_THREAD_FLAGS 1
+#endif
+
+/* The utimes syscall has been available for some architectures
+ forever. */
+#define __ASSUME_UTIMES 1
+
+/* pselect/ppoll 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 >= 0x020616
+# define __ASSUME_PSELECT 1
+# define __ASSUME_PPOLL 1
+#endif
+
+/* Support for various CLOEXEC and NONBLOCK flags was added in 2.6.23. */
+#if __LINUX_KERNEL_VERSION >= 0x020617
+# define __ASSUME_O_CLOEXEC 1
+#endif
+
+/* Support for various CLOEXEC and NONBLOCK flags was added in 2.6.27. */
+#if __LINUX_KERNEL_VERSION >= 0x02061b
+# define __ASSUME_SOCK_CLOEXEC 1
+# define __ASSUME_IN_NONBLOCK 1
+# define __ASSUME_PIPE2 1
+# define __ASSUME_EVENTFD2 1
+# define __ASSUME_SIGNALFD4 1
+# define __ASSUME_DUP3 1
+#endif
+
+/* Support for the accept4 syscall was added in 3.3. */
+#if __LINUX_KERNEL_VERSION >= 0x030300
+# define __ASSUME_ACCEPT4 1
+#endif
+
+#include_next <kernel-features.h>
+
+#endif /* _KERNEL_FEATURES_H */