On Jul 23, 2021, at 5:41 AM, xinpeng wang <wangxinpeng@xxxxxxxxxxxxx> wrote: > > wpa_ctrl_request will block for up to 10 seconds while waiting for the reply, > but when this function call select is interrupted, re-assign the timeout parameter to 10s, > which will cause the time to exceed 10s; > if it is interrupted all the time, this function may block for a very long time This patch helps on Linux, it is likely to not work on other systems. Setting the time outside of the loop is good, but that relies on select() updating the value of &tv when it returns. IIRC, only Linux does that. Other operating systems don't touch "tv", which means it's value is left at 10. I've attached my own attempt at a patch. It calculates the end time, and then updates "tv" on every iteration of the loop.
Attachment:
0001-Wait-for-a-total-of-10-seconds-not-10-seconds-per-it.patch
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