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35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
From 3a29c2f7afe10bf0bc0529b5d9ea44866946ac5a Mon Sep 17 00:00:00 2001
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From: Khem Raj <raj.khem@gmail.com>
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Date: Sat, 14 Nov 2020 14:37:13 -0800
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Subject: [PATCH] innobase: Define __NR_futex if it does not exist
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__NR_futex is not defines by newer architectures e.g. arc, riscv32 as
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they only have 64bit variant of time_t. Glibc defines SYS_futex interface based
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on
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__NR_futex, since this is used in applications, such applications start
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to fail to build for these newer architectures. This patch defines a
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fallback to alias __NR_futex to __NR_futex_tim64 so SYS_futex keeps
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working
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Upstream-Status: Pending
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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---
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storage/innobase/log/log0sync.cc | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/storage/innobase/log/log0sync.cc b/storage/innobase/log/log0sync.cc
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index 0de283ca..265ab691 100644
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--- a/storage/innobase/log/log0sync.cc
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+++ b/storage/innobase/log/log0sync.cc
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@@ -66,6 +66,9 @@ Note that if write operation is very fast, a) or b) can be fine as alternative.
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#ifdef __linux__
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#include <linux/futex.h>
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#include <sys/syscall.h>
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+#if !defined(SYS_futex) && defined(SYS_futex_time64)
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+# define SYS_futex SYS_futex_time64
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+#endif
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#endif
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#include <atomic>
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