blob: 20dc3ca54e3e7e542f4085e771670f787a7197c6 [file] [log] [blame]
Andrew Geissler7e0e3c02022-02-25 20:34:39 +00001From b15d8d0754bb545ba10d0cfba8bbfdfb22a62c38 Mon Sep 17 00:00:00 2001
2From: Khem Raj <raj.khem@gmail.com>
3Date: Sun, 20 Feb 2022 22:03:14 -0800
4Subject: [PATCH] futex: fix build on 32-bit architectures using 64-bit time_t
5
6Fix the following build failure on 32-bit architectures using 64-bit
7time_t (e.g. riscv32):
8| ./boost/fiber/detail/futex.hpp:31:23: error: use of undeclared identifier 'SYS_futex'
9| return ::syscall( SYS_futex, addr, op, x, nullptr, nullptr, 0);
10| ^
11| 1 error generated.
12
13Upstream-Status: Submitted [https://github.com/boostorg/fiber/pull/292]
14Signed-off-by: Khem Raj <raj.khem@gmail.com>
15---
16 boost/fiber/detail/futex.hpp | 4 ++++
17 1 file changed, 4 insertions(+)
18
19diff --git a/boost/fiber/detail/futex.hpp b/boost/fiber/detail/futex.hpp
20index e64bd5990..d0353e9e5 100644
21--- a/boost/fiber/detail/futex.hpp
22+++ b/boost/fiber/detail/futex.hpp
23@@ -12,6 +12,10 @@
24
25 #include <boost/fiber/detail/config.hpp>
26
27+#ifndef SYS_futex
28+#define SYS_futex SYS_futex_time64
29+#endif
30+
31 #if BOOST_OS_LINUX
32 extern "C" {
33 #include <linux/futex.h>
34--
352.35.1
36