svn commit: r343566 - in head/lib/libthr: . thread
Alexey Dokuchaev
danfe at freebsd.org
Wed Jan 30 05:37:10 UTC 2019
On Tue, Jan 29, 2019 at 10:46:45PM +0000, Konstantin Belousov wrote:
> New Revision: 343566
> URL: https://svnweb.freebsd.org/changeset/base/343566
>
> Log:
> Untangle jemalloc and mutexes initialization.
>
> The need to use libc malloc(3) from some places in libthr always
> caused issues. For instance, per-thread key allocation was switched to
> use plain mmap(2) to get storage, because some third party mallocs
> used keys for implementation of calloc(3).
>
> Even more important, libthr calls calloc(3) during initialization of
> pthread mutexes, and jemalloc uses pthread mutexes. Jemalloc provides
> some way to both postpone the initialization, and to make
> initialization to use specialized allocator, but this is very fragile
> and often breaks. See the referenced PR for another example.
Could this also fix https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=220767
I wonder... Going through the "make world" now to test some Quake II. :-)
./danfe
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