Am 04.05.2021 um 10:10 schrieb Jonathan Vervaeke: > Hello, > Using LwIP stack, shipped with the NXP SDK on a imxrt1062 SoM. > in httpsrv_ws_api.c, the WS_send function is defined, which passes a > datapointer (from the context parameter), via a message system > (sys_mbox_post), to the api_queue. > > I wonder how to guarantee that the pointer is still valid after sending > a message via WS_send. Now, my data is placed on the stack just before > calling WS_send, but since the function returns (possibly) before using > the data, I'm very unsure on how to implement this. > > Do you have feedback on this issue?
My only feedback is that this whole file "httpsrv_ws_api.c" is not part of lwIP, but probably part of what your vendor has added. Regards, Simon _______________________________________________ lwip-users mailing list lwip-users@nongnu.org https://lists.nongnu.org/mailman/listinfo/lwip-users
