diff options
| author | Ben Gamari <ben@smart-cactus.org> | 2023-03-09 10:07:27 -0500 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2023-04-24 06:00:39 -0400 |
| commit | c9642199c6973a00d425f4a83f13faf4cd3787e0 (patch) | |
| tree | ab4100a773ca1a962570818a0fa5810adc871336 /rts | |
| parent | add3ee5d9d2b7ccfeb325a8e3a67a48bb56500ee (diff) | |
| download | haskell-c9642199c6973a00d425f4a83f13faf4cd3787e0.tar.gz | |
rts: Silence spurious data races in ticky counters
Previously we would use non-atomic accesses when bumping ticky counters,
which would result in spurious data race reports from ThreadSanitizer
when the threaded RTS was in use.
Diffstat (limited to 'rts')
| -rw-r--r-- | rts/include/Cmm.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/rts/include/Cmm.h b/rts/include/Cmm.h index 15df6d0df1..688a5cf458 100644 --- a/rts/include/Cmm.h +++ b/rts/include/Cmm.h @@ -695,7 +695,7 @@ -------------------------------------------------------------------------- */ #if defined(TICKY_TICKY) -#define TICK_BUMP_BY(ctr,n) W_[ctr] = W_[ctr] + n +#define TICK_BUMP_BY(ctr,n) %relaxed W_[ctr] = %relaxed W_[ctr] + n #else #define TICK_BUMP_BY(ctr,n) /* nothing */ #endif |