Hi Jonathan,
> Implement std::pmr::unsynchronized_pool_resource
> * config/abi/pre/gnu.ver: Add new symbols.
> * include/std/memory_resource (std::pmr::__pool_resource): New class.
> (std::pmr::unsynchronized_pool_resource): New class.
> * src/c++17/Makefile.am: Add -fimplicit-templates to flags for
> memory_resource.cc
> * src/c++17/Makefile.in: Regenerate.
> * src/c++17/memory_resource.cc (bitset, chunk, big_block): New
> internal classes.
> (__pool_resource::_Pool): Define new class.
> (munge_options, pool_index, select_num_pools): New internal functions.
> (__pool_resource::__pool_resource, __pool_resource::~__pool_resource)
> (__pool_resource::allocate, __pool_resource::deallocate)
> (__pool_resource::_M_alloc_pools): Define member functions.
> (unsynchronized_pool_resource::unsynchronized_pool_resource)
> (unsynchronized_pool_resource::~unsynchronized_pool_resource)
> (unsynchronized_pool_resource::release)
> (unsynchronized_pool_resource::_M_find_pool)
> (unsynchronized_pool_resource::do_allocate)
> (unsynchronized_pool_resource::do_deallocate): Define member
> functions.
> * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: New
> test.
> * testsuite/20_util/unsynchronized_pool_resource/is_equal.cc: New
> test.
> * testsuite/20_util/unsynchronized_pool_resource/options.cc: New
> test.
> * testsuite/20_util/unsynchronized_pool_resource/release.cc: New
> test.
>
> The new tests being added here are pretty minimal, because we can't
> assume machines running the testsuite will be able to allocate large
> amounts of memory. I've tested it more thoroughly with much larger
> tests though, and will try to get some of them in shape for the
> testsuite/performance/20_util directory.
>
> Tested powerpc64le-linux. Committed to trunk.
two of the new tests FAIL on 32-bit targets (seen on
i386-pc-solaris2.11, but there are other reports as well):
+FAIL: 20_util/unsynchronized_pool_resource/allocate.cc (test for excess errors)
+UNRESOLVED: 20_util/unsynchronized_pool_resource/allocate.cc compilation
failed to produce executable
Excess errors:
Undefined first referenced
symbol in file
std::pmr::unsynchronized_pool_resource::do_deallocate(void*, unsigned int,
unsigned int) /var/tmp//ccUR6CSd.o
std::pmr::unsynchronized_pool_resource::do_allocate(unsigned int, unsigned int)
/var/tmp//ccUR6CSd.o
ld: fatal: symbol referencing errors
+FAIL: 20_util/unsynchronized_pool_resource/release.cc (test for excess errors)
+UNRESOLVED: 20_util/unsynchronized_pool_resource/release.cc compilation failed
to produce executable
Excess errors:
Undefined first referenced
symbol in file
std::pmr::unsynchronized_pool_resource::do_allocate(unsigned int, unsigned int)
/var/tmp//ccrQoKEb.o
ld: fatal: symbol referencing errors
Rainer
--
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Rainer Orth, Center for Biotechnology, Bielefeld University
