Michael Scott caa377943a net: http: fix avoiding timeout on HTTP requests w/o body ... The original commit 8ebaf29927 ("net: http: dont timeout on HTTP requests w/o body") was intended to handle a case where an HTTP response had been retrieved from the server but the HTTP parser couldn't meet the criteria for calling "on_message_complete". For example, a POST to a REST API where the server doesn't return anything but an HTTP status code. It was a really bad idea to check a semaphore count. There is a lot of kernel logic built into semaphores and how the count is adjusted. The assumption that the value is 0 after the k_sem_give() is incorrect. It's STILL 0 if something is pending with a k_sem_take(). By the time k_sem_give() is done executing the other thread has now been kicked and the count is back to 0. This caused the original check to always pass and in turn breakage was noticed in the http_client sample. Let's do this the right way by setting a flag when on_message_complete is called and if that flag is not set by the time we reach recv_cb, let's give back the semaphore to avoid a timeout. Jira: ZEP-2561 Signed-off-by: Michael Scott <michael.scott@linaro.org>		2017-08-23 16:42:03 -04:00
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net	net: http: fix avoiding timeout on HTTP requests w/o body	2017-08-23 16:42:03 -04:00
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