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charset=UTF-8 Content-Transfer-Encoding: 7bit Hi Marcel, Thank you for maintaining and developing ELL! After some recent changes on ELL side in the Git repository, it is no longer possible to get mptcpd unit tests passing. It looks like it is due to commit e0628c4 ("test: Run all test cases in a forked process to catch exit signals") [1]. On mptcpd side, one series of tests [2] needs to have some shared data between subtests, e.g. one subtest get an ID from the kernel, and other subtests will use it later on. Such shared data are currently written in the "user_data" passed to l_test_add(). There are also some counters in global variables. Now that each test is executed in a dedicated forked process, all of this no longer works. Is there a recommended way specific to ELL to fix this? Or a way to avoid the fork? I was thinking about using a shared memory with mmap(), but I don't know well the unit test interface, maybe there is something dedicated to that, or maybe the breakage was not supposed to happen? [1] https://git.kernel.org/pub/scm/libs/ell/ell.git/commit/?id=e0628c4 [2] https://github.com/multipath-tcp/mptcpd/blob/main/tests/test-commands.c Cheers, Matt -- Sponsored by the NGI0 Core fund.