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Tree: ffa5abbd65

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px4_autopilot/platforms/common/px4_work_queue

History

Jukka Laitinen c3c30e5d4f Fix memory corruption when work queue is being deleted ... When the last WorkItem is deleted, it is removed from a work queue and the queue is being stopped. But, the queue itself might get deleted in the middle, in a higher priority thread than where the WorkItem deletion was performed from If the WorkQueue::Detach accesses the member variables after this, there is memory corruption This happens in particular when launching i2c or spi devices in I2CSPIDriverBase::module_start: - The "initializer" is deleted when the instance is not found and the iterator while loop continues. - The workqueue is deleted in the middle of "initializer" deletion when the WorkQueueRunner returns. This prevents deletion of the WorkQueue before the Detach has been finished, in the specific case that the ::Detach triggers the deletion Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>		4 years ago
..
test	WorkItem modules: Run() shouldn't be public	5 years ago
CMakeLists.txt	selectively increase optimization -Os -> -O2	5 years ago
ScheduledWorkItem.cpp	drivers/tone_alarm and tune_control small improvements/cleanup	4 years ago
WorkItem.cpp	px4_work_queue: reset statistics after each status print	5 years ago
WorkItemSingleShot.cpp	px4_work_queue: add WorkItemSingleShot	5 years ago
WorkQueue.cpp	Fix memory corruption when work queue is being deleted	4 years ago
WorkQueueManager.cpp	Increase stack size of wq:manager and worker threads for 64 bit targets	4 years ago