Hi Evgeny, I have checked my application with the latest git master version of libmicrohttpd and your change fixes the epoll lockup problem.
Thanks for your help. Regards, Denis -----Original Message----- From: libmicrohttpd [mailto:libmicrohttpd-bounces+denis.dowling=hsd.com...@gnu.org] On Behalf Of Evgeny Grin Sent: Saturday, 9 September 2017 5:08 AM To: libmicrohttpd@gnu.org Subject: Re: [libmicrohttpd] libmicrohttpd 0.9.55 https and MHD_USE_EPOLL Hi Denis, Problem was fixed in git master. Could you recheck on your side? -- Best Wishes, Evgeny Grin On 05.09.2017 23:22, Evgeny Grin wrote: > Hi Denis, > > Reproduced on CentOS 7 with current git master. > Will look into it. > > -- Best Wishes, Evgeny Grin On 05.09.2017 4:54, Denis Dowling wrote: >> Hi Evgeny, >> >> It is actually the GET that is causing the problem. >> >> I have been able to duplicate as follows: >> - Testing on CentOS7.3.1611. Everything up to date according to yum. >> - Start with a clean unpack of libmicrohttpd-0.9.55 >> - Edit the https_fileserver_example.c file and change the >> MHD_USE_THREAD_PER_CONNECTION option to MHD_USE_EPOLL. Leave the other >> options as they are. >> - make https_fileserver_example >> - In the same directory create 2 files of different sizes (1kB and 100kB) >> dd if=/dev/urandom of=small.dat bs=1024 count=1 >> dd if=/dev/urandom of=big.dat bs=1024 count=100 >> - Start https_fileserver_example >> ./https_fileserver_example 8888 >> - In another window use wget to grab both files >> wget --no-check-certificate https://localhost:8888/small.dat >> wget --no-check-certificate https://localhost:8888/big.dat >> >> In my case the big.dat download freezes at 16384 bytes downloaded. If I >> change from MHD_USE_EPOLL to MHD_USE_POLL it works fine. If I use >> MHD_USE_AUTO it hangs as the system detects epoll() and uses it. >> >> Regards, >> Denis >> ________________________________ The information contained in this message and any attachments is strictly confidential and intended solely for the use of the intended recipient(s). The copyright in this communication belongs to (HSD). This message and any attachments are confidential and may be subject to legal or other professional privilege. Any confidentiality or privilege is not waived or lost because this e-mail has been sent to you by mistake. If you have received this transmission in error, please notify HSD on +61 3 9875 5900 immediately and destroy all copies of this e-mail. The contents of this email message may not be quoted, copied, reproduced or published in part or in whole, without the written authorisation of HSD.
