Attachment 3764 Details for Bug 9894 – patch for main architecture

[patch] patch for main architecture

pi_futexes.diff (text/plain), 1.22 KB, created by Aurelien Jarno on 2009-02-24 23:20:26 UTC

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Creator: Aurelien Jarno

Created: 2009-02-24 23:20:26 UTC

Size: 1.22 KB

patch

obsolete

>2009-09-24  Aurelien Jarno  <aurelien@aurel32.net>
>
>	* sysdeps/unix/sysv/linux/kernel-features.h
>	(__LINUX_KERNEL_VERSION): Update per-arch conditions when each
>	feature was introduced.
>
>diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
>index 29afe27..f16298b 100644
>--- a/sysdeps/unix/sysv/linux/kernel-features.h
>+++ b/sysdeps/unix/sysv/linux/kernel-features.h
>@@ -462,8 +462,15 @@
> # define __ASSUME_SET_ROBUST_LIST	1
> #endif
> 
>-/* Support for PI futexes was added in 2.6.18.  */
>-#if __LINUX_KERNEL_VERSION >= 0x020612
>+/* Support for PI futexes was added in 2.6.18 on i386, powerpc, s390, sparc64
>+   x86_64. It was added in 2.6.19 on ia64 and in 2.6.23 on sh. */
>+#if (__LINUX_KERNEL_VERSION >= 0x020612 && defined __i386__) \
>+     || (__LINUX_KERNEL_VERSION >= 0x020612 && defined __powerpc__) \
>+     || (__LINUX_KERNEL_VERSION >= 0x020612 && defined __s390__) \
>+     || (__LINUX_KERNEL_VERSION >= 0x020612 && defined __sparc__ && __arch64__) \
>+     || (__LINUX_KERNEL_VERSION >= 0x020612 && defined __x86_64__) \
>+     || (__LINUX_KERNEL_VERSION >= 0x020613 && defined __ia64__) \
>+     || (__LINUX_KERNEL_VERSION >= 0x020617 && defined __sh__)
> # define __ASSUME_FUTEX_LOCK_PI	1
> #endif

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