diff options
| author | Ben Gamari <ben@smart-cactus.org> | 2022-11-16 00:14:11 -0500 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2022-12-16 16:12:45 -0500 |
| commit | 287fa3fbcc1db460490d45662c3c62fdee7bd6d6 (patch) | |
| tree | b8fa7ad8acc2fdda4348d98ae317856fc7b06003 /rts | |
| parent | a3eccf06292dd666b24606251a52da2b466a9612 (diff) | |
| download | haskell-287fa3fbcc1db460490d45662c3c62fdee7bd6d6.tar.gz | |
rts: Ensure that all accesses to pending_sync are atomic
Diffstat (limited to 'rts')
| -rw-r--r-- | rts/Schedule.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/rts/Schedule.c b/rts/Schedule.c index 54fc976a44..8afcf54ca0 100644 --- a/rts/Schedule.c +++ b/rts/Schedule.c @@ -1430,7 +1430,7 @@ void stopAllCapabilitiesWith (Capability **pCap, Task *task, SyncType sync_type) acquireAllCapabilities(pCap ? *pCap : NULL, task); - pending_sync = 0; + RELAXED_STORE(&pending_sync, 0); signalCondition(&sync_finished_cond); } #endif @@ -1876,7 +1876,7 @@ delete_threads_and_gc: #if defined(THREADED_RTS) // reset pending_sync *before* GC, so that when the GC threads // emerge they don't immediately re-enter the GC. - pending_sync = 0; + RELAXED_STORE(&pending_sync, 0); signalCondition(&sync_finished_cond); GarbageCollect(collect_gen, heap_census, is_overflow_gc, deadlock_detect, gc_type, cap, idle_cap); #else |