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Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/alpha/kernel-features.h')
-rw-r--r--ports/sysdeps/unix/sysv/linux/alpha/kernel-features.h101
1 files changed, 101 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/alpha/kernel-features.h b/ports/sysdeps/unix/sysv/linux/alpha/kernel-features.h
new file mode 100644
index 0000000000..3eaa422b12
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/alpha/kernel-features.h
@@ -0,0 +1,101 @@
+/* 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 tgkill syscall was introduced for alpha 2.6.0-test1 which unfortunately
+ cannot be distinguished from 2.6.0. */
+#if __LINUX_KERNEL_VERSION >= 132609
+# define __ASSUME_TGKILL 1
+#endif
+
+/* Starting with version 2.6.4, the stat64 syscalls are available. */
+#if __LINUX_KERNEL_VERSION >= 0x020604 && defined __alpha__
+# define __ASSUME_STAT64_SYSCALL 1
+#endif
+
+#define __ASSUME_UTIMES 1
+
+/* Starting with version 2.6.9, SSI_IEEE_RAISE_EXCEPTION exists. */
+#if __LINUX_KERNEL_VERSION >= 0x020609
+# define __ASSUME_IEEE_RAISE_EXCEPTION 1
+#endif
+
+/* Support for the O_CLOEXEC flag was added for alpha in 2.6.23. */
+#if __LINUX_KERNEL_VERSION >= 0x020617
+# define __ASSUME_O_CLOEXEC 1
+#endif
+
+/* Support for various CLOEXEC and NONBLOCK flags was added for alpha after
+ 2.6.33-rc1. */
+#if __LINUX_KERNEL_VERSION >= 0x020621
+# define __ASSUME_SOCK_CLOEXEC 1
+# define __ASSUME_IN_NONBLOCK 1
+#endif
+
+/* Support for the pipe2, eventfd2, signalfd4 syscalls was added for alpha
+ after 2.6.33-rc1. */
+#if __LINUX_KERNEL_VERSION >= 0x020621
+# define __ASSUME_PIPE2 1
+# define __ASSUME_EVENTFD2 1
+# define __ASSUME_SIGNALFD4 1
+#endif
+
+/* Support for accept4 was added for alpha after 2.6.33-rc1. */
+#if __LINUX_KERNEL_VERSION >= 0x020621
+# define __ASSUME_ACCEPT4 1
+#endif
+
+#include_next <kernel-features.h>
+
+#undef __ASSUME_ST_INO_64_BIT
+
+/* pselect/ppoll were introduced on alpha just after 2.6.22-rc1. */
+#if __LINUX_KERNEL_VERSION < 0x020617
+# undef __ASSUME_PSELECT
+# undef __ASSUME_PPOLL
+#endif
+
+/* The *at syscalls were introduced on alpha just after 2.6.22-rc1. */
+#if __LINUX_KERNEL_VERSION < 0x020617
+# undef __ASSUME_ATFCTS
+#endif
+
+/* Support for inter-process robust mutexes was added on alpha just
+ after 2.6.22-rc1. */
+#if __LINUX_KERNEL_VERSION < 0x020617
+# undef __ASSUME_SET_ROBUST_LIST
+#endif
+
+/* Support for utimensat was added on alpha after 2.6.22-rc1. */
+#if __LINUX_KERNEL_VERSION < 0x020617
+# undef __ASSUME_UTIMENSAT
+#endif
+
+/* Support for fallocate was added for alpha after 2.6.33-rc1. */
+#if __LINUX_KERNEL_VERSION < 0x020621
+# undef __ASSUME_FALLOCATE
+#endif
+
+/* There never has been support for fstat64. */
+#undef __ASSUME_STATFS64
+#define __ASSUME_STATFS64 0
+
+#endif /* _KERNEL_FEATURES_H */