diff options
author | Ben Gamari <ben@smart-cactus.org> | 2023-04-28 08:55:02 -0400 |
---|---|---|
committer | Ben Gamari <ben@smart-cactus.org> | 2023-05-16 08:07:57 -0400 |
commit | c8f74d5f6e9874424c1e55f586ff44568308a94c (patch) | |
tree | 2ff63bdd0dd80b4f7eed738a46ba129b06b65152 /rts/posix/Select.c | |
parent | 1e6861dd8612d8f71cc4635c4f73f84f316a6c7e (diff) | |
download | haskell-wip/clear-block-info.tar.gz |
rts: Clear block_info when unblockingwip/clear-block-info
Otherwise we may end up with dangling pointers which may complicate
debugging. Also, introduce more strict checking of block_info in
checkTSO.
Diffstat (limited to 'rts/posix/Select.c')
-rw-r--r-- | rts/posix/Select.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/rts/posix/Select.c b/rts/posix/Select.c index 89a46fd763..ccbe9c4f24 100644 --- a/rts/posix/Select.c +++ b/rts/posix/Select.c @@ -106,6 +106,7 @@ static bool wakeUpSleepingThreads (Capability *cap, LowResTime now) } iomgr->sleeping_queue = tso->_link; tso->why_blocked = NotBlocked; + tso->block_info.closure = (StgClosure *)END_TSO_QUEUE; tso->_link = END_TSO_QUEUE; IF_DEBUG(scheduler, debugBelch("Waking up sleeping thread %" FMT_StgThreadID "\n", tso->id)); @@ -437,6 +438,7 @@ awaitEvent(Capability *cap, bool wait) debugBelch("Waking up blocked thread %" FMT_StgThreadID "\n", tso->id)); tso->why_blocked = NotBlocked; + tso->block_info.closure = (StgClosure *)END_TSO_QUEUE; tso->_link = END_TSO_QUEUE; pushOnRunQueue(cap,tso); break; |