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| author | Ben Gamari <ben@smart-cactus.org> | 2022-11-16 09:44:43 -0500 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2022-12-16 16:12:45 -0500 |
| commit | 351eae582192f6a573ba50f12782179ab7f5428b (patch) | |
| tree | ee5837cb9c588434ace1dca925d3ff1d2191db6a /rts | |
| parent | 287fa3fbcc1db460490d45662c3c62fdee7bd6d6 (diff) | |
| download | haskell-351eae582192f6a573ba50f12782179ab7f5428b.tar.gz | |
rts: Note race with wakeBlockingQueue
Diffstat (limited to 'rts')
| -rw-r--r-- | rts/StgMiscClosures.cmm | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/rts/StgMiscClosures.cmm b/rts/StgMiscClosures.cmm index 374358028d..66d86643b3 100644 --- a/rts/StgMiscClosures.cmm +++ b/rts/StgMiscClosures.cmm @@ -540,7 +540,8 @@ retry: return (p); } - info = GET_INFO(p); + // May race with OVERWRITE_INFO in wakeBlockingQueue() + info = %relaxed GET_INFO(p); if (info == stg_IND_info) { // This could happen, if e.g. we got a BLOCKING_QUEUE that has // just been replaced with an IND by another thread in |