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futex: disable futexes when compiling with tsan

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Thread sanitizer doesn't support futexes, so don't use them in this case
and fall back to standard mutexes. With that we can avoid tsan reporting
a large number of false positives.

v2: use #if instead of #ifdef to test the value of the define

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28650>
This commit is contained in:
Gert Wollny 2024-04-08 14:59:30 +02:00 • committed by Marge Bot
parent 0d46e0e88b
commit aa347029da
1 changed files with 4 additions and 0 deletions
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4
src/util/futex.h
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@ -24,6 +24,9 @@
#ifndef UTIL_FUTEX_H
#define UTIL_FUTEX_H
#if THREAD_SANITIZER
#define UTIL_FUTEX_SUPPORTED 0
#else
#if defined(HAVE_LINUX_FUTEX_H) && defined(__linux__)
#define UTIL_FUTEX_SUPPORTED 1
#elif defined(__FreeBSD__)
@ -35,6 +38,7 @@
#else
#define UTIL_FUTEX_SUPPORTED 0
#endif
#endif
#if UTIL_FUTEX_SUPPORTED
#include <stdint.h>