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[lwip-users] LWIP_NETCONN_FULLDUPLEX sys_mbox_free example

From: Kellar, Christopher
Subject: [lwip-users] LWIP_NETCONN_FULLDUPLEX sys_mbox_free example
Date: Fri, 16 Feb 2018 14:07:33 +0000



Could you please provide an example of what the sys_mbox_free should look like when LWIP_NETCONN_FULLDUPLEX = 1 (has to unblock receive tasks waiting on recvmbox/acceptmbox and prevent a task pending on this during/after deletion)? I am trying to implement this on an STM32 device running FreeRTOS.


I am also seeing some failures when I attempt to close the netconn from a third thread. The code is hanging inside lwip_netconn_do_delconn  on the sys_sem_signal because either the op_completed_sem semaphore variable is corrupted.


I would really appreciate some assistance.




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