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Added TODO regarding serious locking problem. 

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28192 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2008-10-16 21:32:14 +00:00
parent 471844b258
commit 8a05bb865f
2 changed files with 11 additions and 3 deletions
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4
src/system/kernel/posix/xsi_message_queue.cpp
View File

@ -127,6 +127,10 @@ public:
queueLocker->Unlock();
InterruptsSpinLocker _(gThreadSpinlock);
// TODO: We've got a serious race condition: If BlockAndUnlock() returned due to
// interruption, we will still be queued. A WakeUpThread() at this point will
// call thread_unblock() and might thus screw with our trying to re-lock the
// mutex.
return thread_block_locked(thread);
}

4
src/system/kernel/posix/xsi_semaphore.cpp
View File

@ -144,6 +144,10 @@ public:
setLocker->Unlock();
InterruptsSpinLocker _(gThreadSpinlock);
// TODO: We've got a serious race condition: If BlockAndUnlock() returned due to
// interruption, we will still be queued. A WakeUpThread() at this point will
// call thread_unblock() and might thus screw with our trying to re-lock the
// mutex.
return thread_block_locked(thread);
}