On 12 September 2015 at 15:08, Greg Stein <gst...@gmail.com> wrote: > [redirected to dev@serf] > > On Mon, Apr 6, 2015 at 8:32 AM, Bert Huijben <b...@qqmail.nl> wrote: > >> > -----Original Message----- >> > From: serf-...@googlegroups.com [mailto:serf-...@googlegroups.com] On >> > Behalf Of s...@googlecode.com >> > Sent: maandag 6 april 2015 11:25 >> > To: serf-...@googlegroups.com >> > Subject: [serf-dev] [serf] r2489 committed - In preparation of serf >> 1.4.0, >> > remove the get_remaining function from t... >> > >> > Revision: 2489 >> > Author: lieven.govaerts >> > Date: Mon Apr 6 09:24:18 2015 UTC >> > Log: In preparation of serf 1.4.0, remove the get_remaining function >> > from the >> > bucket API. >> > >> > This reverts most of r2008, r2009, r2010 and r2198. From r2008 I kept the >> > read_bucket_v2 function, which is needed for set_config. >> >> If we still keep the read_bucket_v2 feature, what is the reason for just >> removing get_remaining? >> >> >> We still have to handle the linkage problems if we use the >> read_bucket_v2() system for versioning, but we leave out the tests that >> were added to find problems caused by different function pointers. >> >> >> The reason we see errors on this feature on several platforms is just this >> linkage problem, while the get_remaining code itself is pretty stable as >> far as I can tell. I'm guessing that the reason for removing the code is >> that we see this errors. >> >> >> Our scons scripts make us link both the static library and shared library >> versions of the same functions, and then a simple pointer comparison on a >> function pointer isn't going to work as expected. >> >> >> And with a shared library build, there are other possible problems: >> sometimes you get a pointer to a wrapping function... or the pointer value >> is not guaranteed because the code might be moved under some circumstances >> (unload+load of library) >> > > So you're saying that a pointer to a specific function might have *two* > values under Windows? Within a single executable? That A could see a > different value from B? > This is not Windows specific problem, the original problem report was on Linux: "Buckets v2 check doesn't work on Linux in the test suite (test_aggregate_buckets fails)" [1]
Bert commented that serf on Windows had similiar problems, but I don't know details. [1] https://issues.apache.org/jira/browse/SERF-134 -- Ivan Zhakov