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srsLTE
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ue_stack: only push sync event to event queue is stack is still running 

stopping the UE in ZMQ mode caused a dead-lock because the Stack was
stopped before the PHY causing the sync queue to overflow. Since we
use a queue-length of 1 in ZMQ, mode, the PHY sync thread was blocking to
push a new sync event while the stack thread was already stopped.

this patch makes sure no new sync events are queued after the stack has
been terminated.
This commit is contained in:
Andre Puschmann 2020-08-30 22:51:07 +02:00
parent aec18a93d1
commit c16ac6c890
1 changed files with 3 additions and 1 deletions
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4
srsue/src/stack/ue_stack_lte.cc
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@ -269,7 +269,9 @@ void ue_stack_lte::out_of_sync()
void ue_stack_lte::run_tti(uint32_t tti, uint32_t tti_jump) void ue_stack_lte::run_tti(uint32_t tti, uint32_t tti_jump)
{ {
sync_task_queue.push([this, tti, tti_jump]() { run_tti_impl(tti, tti_jump); }); if (running) {
sync_task_queue.push([this, tti, tti_jump]() { run_tti_impl(tti, tti_jump); });
}
} }
void ue_stack_lte::run_tti_impl(uint32_t tti, uint32_t tti_jump) void ue_stack_lte::run_tti_impl(uint32_t tti, uint32_t tti_jump)