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2025-01-02Update copyright years.Jakub Jelinek1-1/+1
2024-09-25libstdc++: #ifdef out #pragma GCC system_headerJason Merrill1-0/+2
In r15-3714-gd3a7302ec5985a I added -Wsystem-headers to the libstdc++ build flags to help catch problems in the library. This patch takes a different approach, of disabling the #pragma system_header unless _GLIBCXX_SYSHDR is defined. As a result, the testsuites will treat them as non-system-headers to get better warning coverage during regression testing of both gcc and libstdc++, not just when building the library. My rationale for the #ifdef instead of just removing the #pragma is the three G++ tests that want to test libstdc++ system header behavior, so we need a way to select it. This doesn't affect installed libraries, as they get their system-header status from the lookup path. But testsuite_flags --build-includes gives -I directives rather than -isystem. This patch doesn't change the headers in config/ because I'm not compiling with most of them, so won't see any warnings that need fixing. Adjusting them could happen later, or we can not bother. libstdc++-v3/ChangeLog: * acinclude.m4 (WARN_FLAGS): Remove -Wsystem-headers. * configure: Regenerate. * include/bits/algorithmfwd.h: #ifdef out #pragma GCC system_header. * include/bits/atomic_base.h * include/bits/atomic_futex.h * include/bits/atomic_timed_wait.h * include/bits/atomic_wait.h * include/bits/basic_ios.h * include/bits/basic_string.h * include/bits/boost_concept_check.h * include/bits/char_traits.h * include/bits/charconv.h * include/bits/chrono.h * include/bits/chrono_io.h * include/bits/codecvt.h * include/bits/concept_check.h * include/bits/cpp_type_traits.h * include/bits/elements_of.h * include/bits/enable_special_members.h * include/bits/erase_if.h * include/bits/forward_list.h * include/bits/functional_hash.h * include/bits/gslice.h * include/bits/gslice_array.h * include/bits/hashtable.h * include/bits/indirect_array.h * include/bits/invoke.h * include/bits/ios_base.h * include/bits/iterator_concepts.h * include/bits/locale_classes.h * include/bits/locale_facets.h * include/bits/locale_facets_nonio.h * include/bits/localefwd.h * include/bits/mask_array.h * include/bits/max_size_type.h * include/bits/memory_resource.h * include/bits/memoryfwd.h * include/bits/move_only_function.h * include/bits/node_handle.h * include/bits/ostream_insert.h * include/bits/out_ptr.h * include/bits/parse_numbers.h * include/bits/postypes.h * include/bits/quoted_string.h * include/bits/range_access.h * include/bits/ranges_base.h * include/bits/refwrap.h * include/bits/sat_arith.h * include/bits/semaphore_base.h * include/bits/slice_array.h * include/bits/std_abs.h * include/bits/std_function.h * include/bits/std_mutex.h * include/bits/std_thread.h * include/bits/stl_iterator_base_funcs.h * include/bits/stl_iterator_base_types.h * include/bits/stl_tree.h * include/bits/stream_iterator.h * include/bits/streambuf_iterator.h * include/bits/stringfwd.h * include/bits/this_thread_sleep.h * include/bits/unique_lock.h * include/bits/uses_allocator_args.h * include/bits/utility.h * include/bits/valarray_after.h * include/bits/valarray_array.h * include/bits/valarray_before.h * include/bits/version.h * include/c_compatibility/fenv.h * include/c_compatibility/inttypes.h * include/c_compatibility/stdint.h * include/decimal/decimal.h * include/experimental/bits/net.h * include/experimental/bits/shared_ptr.h * include/ext/aligned_buffer.h * include/ext/alloc_traits.h * include/ext/atomicity.h * include/ext/concurrence.h * include/ext/numeric_traits.h * include/ext/pod_char_traits.h * include/ext/pointer.h * include/ext/stdio_filebuf.h * include/ext/stdio_sync_filebuf.h * include/ext/string_conversions.h * include/ext/type_traits.h * include/ext/vstring.h * include/ext/vstring_fwd.h * include/ext/vstring_util.h * include/parallel/algorithmfwd.h * include/parallel/numericfwd.h * include/tr1/functional_hash.h * include/tr1/hashtable.h * include/tr1/random.h * libsupc++/exception.h * libsupc++/hash_bytes.h * include/bits/basic_ios.tcc * include/bits/basic_string.tcc * include/bits/fstream.tcc * include/bits/istream.tcc * include/bits/locale_classes.tcc * include/bits/locale_facets.tcc * include/bits/locale_facets_nonio.tcc * include/bits/ostream.tcc * include/bits/sstream.tcc * include/bits/streambuf.tcc * include/bits/string_view.tcc * include/bits/version.tpl * include/experimental/bits/string_view.tcc * include/ext/pb_ds/detail/resize_policy/hash_prime_size_policy_imp.hpp * include/ext/random.tcc * include/ext/vstring.tcc * include/tr2/bool_set.tcc * include/tr2/dynamic_bitset.tcc * include/bits/c++config * include/c/cassert * include/c/cctype * include/c/cerrno * include/c/cfloat * include/c/ciso646 * include/c/climits * include/c/clocale * include/c/cmath * include/c/csetjmp * include/c/csignal * include/c/cstdarg * include/c/cstddef * include/c/cstdio * include/c/cstdlib * include/c/cstring * include/c/ctime * include/c/cuchar * include/c/cwchar * include/c/cwctype * include/c_global/cassert * include/c_global/ccomplex * include/c_global/cctype * include/c_global/cerrno * include/c_global/cfenv * include/c_global/cfloat * include/c_global/cinttypes * include/c_global/ciso646 * include/c_global/climits * include/c_global/clocale * include/c_global/cmath * include/c_global/csetjmp * include/c_global/csignal * include/c_global/cstdalign * include/c_global/cstdarg * include/c_global/cstdbool * include/c_global/cstddef * include/c_global/cstdint * include/c_global/cstdio * include/c_global/cstdlib * include/c_global/cstring * include/c_global/ctgmath * include/c_global/ctime * include/c_global/cuchar * include/c_global/cwchar * include/c_global/cwctype * include/c_std/cassert * include/c_std/cctype * include/c_std/cerrno * include/c_std/cfloat * include/c_std/ciso646 * include/c_std/climits * include/c_std/clocale * include/c_std/cmath * include/c_std/csetjmp * include/c_std/csignal * include/c_std/cstdarg * include/c_std/cstddef * include/c_std/cstdio * include/c_std/cstdlib * include/c_std/cstring * include/c_std/ctime * include/c_std/cuchar * include/c_std/cwchar * include/c_std/cwctype * include/debug/array * include/debug/bitset * include/debug/deque * include/debug/forward_list * include/debug/list * include/debug/map * include/debug/set * include/debug/string * include/debug/unordered_map * include/debug/unordered_set * include/debug/vector * include/decimal/decimal * include/experimental/algorithm * include/experimental/any * include/experimental/array * include/experimental/buffer * include/experimental/chrono * include/experimental/contract * include/experimental/deque * include/experimental/executor * include/experimental/filesystem * include/experimental/forward_list * include/experimental/functional * include/experimental/internet * include/experimental/io_context * include/experimental/iterator * include/experimental/list * include/experimental/map * include/experimental/memory * include/experimental/memory_resource * include/experimental/net * include/experimental/netfwd * include/experimental/numeric * include/experimental/propagate_const * include/experimental/ratio * include/experimental/regex * include/experimental/scope * include/experimental/set * include/experimental/socket * include/experimental/string * include/experimental/string_view * include/experimental/synchronized_value * include/experimental/system_error * include/experimental/timer * include/experimental/tuple * include/experimental/type_traits * include/experimental/unordered_map * include/experimental/unordered_set * include/experimental/vector * include/ext/algorithm * include/ext/cmath * include/ext/functional * include/ext/iterator * include/ext/memory * include/ext/numeric * include/ext/random * include/ext/rb_tree * include/ext/rope * include/parallel/algorithm * include/std/algorithm * include/std/any * include/std/array * include/std/atomic * include/std/barrier * include/std/bit * include/std/bitset * include/std/charconv * include/std/chrono * include/std/codecvt * include/std/complex * include/std/concepts * include/std/condition_variable * include/std/coroutine * include/std/deque * include/std/execution * include/std/expected * include/std/filesystem * include/std/format * include/std/forward_list * include/std/fstream * include/std/functional * include/std/future * include/std/generator * include/std/iomanip * include/std/ios * include/std/iosfwd * include/std/iostream * include/std/istream * include/std/iterator * include/std/latch * include/std/limits * include/std/list * include/std/locale * include/std/map * include/std/memory * include/std/memory_resource * include/std/mutex * include/std/numbers * include/std/numeric * include/std/optional * include/std/ostream * include/std/print * include/std/queue * include/std/random * include/std/ranges * include/std/ratio * include/std/regex * include/std/scoped_allocator * include/std/semaphore * include/std/set * include/std/shared_mutex * include/std/span * include/std/spanstream * include/std/sstream * include/std/stack * include/std/stacktrace * include/std/stdexcept * include/std/streambuf * include/std/string * include/std/string_view * include/std/syncstream * include/std/system_error * include/std/text_encoding * include/std/thread * include/std/tuple * include/std/type_traits * include/std/typeindex * include/std/unordered_map * include/std/unordered_set * include/std/utility * include/std/valarray * include/std/variant * include/std/vector * include/std/version * include/tr1/array * include/tr1/cfenv * include/tr1/cinttypes * include/tr1/cmath * include/tr1/complex * include/tr1/cstdbool * include/tr1/cstdint * include/tr1/cstdio * include/tr1/cstdlib * include/tr1/cwchar * include/tr1/cwctype * include/tr1/functional * include/tr1/memory * include/tr1/random * include/tr1/regex * include/tr1/tuple * include/tr1/type_traits * include/tr1/unordered_map * include/tr1/unordered_set * include/tr1/utility * include/tr2/bool_set * include/tr2/dynamic_bitset * include/tr2/type_traits * libsupc++/atomic_lockfree_defines.h * libsupc++/compare * libsupc++/cxxabi.h * libsupc++/cxxabi_forced.h * libsupc++/cxxabi_init_exception.h * libsupc++/exception * libsupc++/initializer_list * libsupc++/new * libsupc++/typeinfo: Likewise. * testsuite/20_util/ratio/operations/ops_overflow_neg.cc * testsuite/23_containers/array/tuple_interface/get_neg.cc * testsuite/23_containers/vector/cons/destructible_debug_neg.cc * testsuite/24_iterators/operations/prev_neg.cc * testsuite/ext/type_traits/add_unsigned_floating_neg.cc * testsuite/ext/type_traits/add_unsigned_integer_neg.cc * testsuite/ext/type_traits/remove_unsigned_floating_neg.cc * testsuite/ext/type_traits/remove_unsigned_integer_neg.cc: Adjust line numbers. gcc/testsuite/ChangeLog * g++.dg/analyzer/fanalyzer-show-events-in-system-headers-default.C * g++.dg/analyzer/fanalyzer-show-events-in-system-headers-no.C * g++.dg/diagnostic/disable.C: #define _GLIBCXX_SYSHDR.
2024-08-28libstdc++: Fix -Wunused-parameter warnings in Networking TS headersJonathan Wakely1-1/+1
libstdc++-v3/ChangeLog: * include/experimental/io_context: Remove name of unused parameter. * include/experimental/socket: Add [[maybe_unused]] attribute.
2024-07-17c++: diagnose failed qualified lookup into current instPatrick Palka1-1/+1
When the scope of a qualified name is the current instantiation, and qualified lookup finds nothing at template definition time, then we know it'll find nothing at instantiation time (unless the current instantiation has dependent bases). So such qualified name lookup failure can be diagnosed ahead of time as per [temp.res.general]/6. This patch implements that, for qualified names of the form (where the current instantiation is A<T>): this->non_existent a.non_existent A::non_existent typename A::non_existent It turns out we already optimistically attempt qualified lookup of seemingly every qualified name, even when it's dependently scoped, and then suppress issuing a lookup failure diagnostic after the fact. So implementing this is mostly a matter of restricting the diagnostic suppression to "dependentish" scopes (i.e. dependent scopes or the current instantiation with dependent bases), rather than suppressing for any dependently-typed scope as we currently do. The cp_parser_conversion_function_id change is needed to avoid regressing lookup/using8.C: using A<T>::operator typename A<T>::Nested*; When looking up A<T>::Nested we consider it not dependently scoped since we entered A<T> from cp_parser_conversion_function_id earlier. But this A<T> is the implicit instantiation A<T> not the primary template type A<T>, and so the lookup fails which we now diagnose. This patch works around this by not entering the template scope of a qualified conversion function-id in this case, i.e. if we're in an expression vs declaration context, by seeing if the type already went through finish_template_type with entering_scope=true. gcc/cp/ChangeLog: * decl.cc (make_typename_type): Restrict name lookup failure punting to dependentish_scope_p instead of dependent_type_p. * error.cc (qualified_name_lookup_error): Improve diagnostic when the scope is the current instantiation. * parser.cc (cp_parser_diagnose_invalid_type_name): Likewise. (cp_parser_conversion_function_id): Don't call push_scope on a template scope unless we're in a declaration context. (cp_parser_lookup_name): Restrict name lookup failure punting to dependentish_scope_p instead of depedent_type_p. * semantics.cc (finish_id_expression_1): Likewise. * typeck.cc (finish_class_member_access_expr): Likewise. libstdc++-v3/ChangeLog: * include/experimental/socket (basic_socket_iostream::basic_socket_iostream): Fix typo. * include/tr2/dynamic_bitset (__dynamic_bitset_base::_M_is_proper_subset_of): Likewise. gcc/testsuite/ChangeLog: * g++.dg/cpp0x/alignas18.C: Expect name lookup error for U::X. * g++.dg/cpp0x/forw_enum13.C: Expect name lookup error for D3::A and D4<T>::A. * g++.dg/parse/access13.C: Declare A::E::V to avoid name lookup failure and preserve intent of the test. * g++.dg/parse/enum11.C: Expect extra errors, matching the non-template case. * g++.dg/template/crash123.C: Avoid name lookup failure to preserve intent of the test. * g++.dg/template/crash124.C: Likewise. * g++.dg/template/crash7.C: Adjust expected diagnostics. * g++.dg/template/dtor6.C: Declare A::~A() to avoid name lookup failure and preserve intent of the test. * g++.dg/template/error22.C: Adjust expected diagnostics. * g++.dg/template/static30.C: Avoid name lookup failure to preserve intent of the test. * g++.old-deja/g++.other/decl5.C: Adjust expected diagnostics. * g++.dg/template/non-dependent34.C: New test. Reviewed-by: Jason Merrill <jason@redhat.com>
2024-01-03Update copyright years.Jakub Jelinek1-1/+1
2023-01-16Update copyright years.Jakub Jelinek1-1/+1
2022-10-03libstdc++: Mark headers that must be hosted as such [PR103626]Arsen Arsenović1-0/+2
PR libstdc++/103626 - _GLIBCXX_HOSTED should respect -ffreestanding Co-authored-by: Jonathan Wakely <jwakely@redhat.com> libstdc++-v3/ChangeLog: PR libstdc++/103626 * include/Makefile.am: Add new header. * include/Makefile.in: Regenerate. * include/bits/requires_hosted.h: New header. * include/experimental/algorithm: Include <bits/requires_hosted.h>. * include/experimental/any: Likewise. * include/experimental/array: Likewise. * include/experimental/buffer: Likewise. * include/experimental/chrono: Likewise. * include/experimental/deque: Likewise. * include/experimental/executor: Likewise. * include/experimental/filesystem: Likewise. * include/experimental/forward_list: Likewise. * include/experimental/functional: Likewise. * include/experimental/internet: Likewise. * include/experimental/io_context: Likewise. * include/experimental/iterator: Likewise. * include/experimental/list: Likewise. * include/experimental/map: Likewise. * include/experimental/memory: Likewise. * include/experimental/memory_resource: Likewise. * include/experimental/net: Likewise. * include/experimental/netfwd: Likewise. * include/experimental/numeric: Likewise. * include/experimental/optional: Likewise. * include/experimental/propagate_const: Likewise. * include/experimental/random: Likewise. * include/experimental/ratio: Likewise. * include/experimental/regex: Likewise. * include/experimental/scope: Likewise. * include/experimental/set: Likewise. * include/experimental/simd: Likewise. * include/experimental/socket: Likewise. * include/experimental/source_location: Likewise. * include/experimental/string: Likewise. * include/experimental/string_view: Likewise. * include/experimental/system_error: Likewise. * include/experimental/timer: Likewise. * include/experimental/tuple: Likewise. * include/experimental/unordered_map: Likewise. * include/experimental/unordered_set: Likewise. * include/experimental/utility: Likewise. * include/experimental/vector: Likewise. * include/std/barrier: Likewise. * include/std/chrono: Likewise. * include/std/condition_variable: Likewise. * include/std/deque: Likewise. * include/std/execution: Likewise. * include/std/filesystem: Likewise. * include/std/forward_list: Likewise. * include/std/fstream: Likewise. * include/std/future: Likewise. * include/std/iomanip: Likewise. * include/std/ios: Likewise. * include/std/iosfwd: Likewise. * include/std/iostream: Likewise. * include/std/istream: Likewise. * include/std/latch: Likewise. * include/std/list: Likewise. * include/std/locale: Likewise. * include/std/map: Likewise. * include/std/memory_resource: Likewise. * include/std/mutex: Likewise. * include/std/ostream: Likewise. * include/std/queue: Likewise. * include/std/random: Likewise. * include/std/regex: Likewise. * include/std/semaphore: Likewise. * include/std/set: Likewise. * include/std/shared_mutex: Likewise. * include/std/spanstream: Likewise. * include/std/sstream: Likewise. * include/std/stack: Likewise. * include/std/stacktrace: Likewise. * include/std/stop_token: Likewise. * include/std/streambuf: Likewise. * include/std/string: Likewise. * include/std/syncstream: Likewise. * include/std/system_error: Likewise. * include/std/thread: Likewise. * include/std/unordered_map: Likewise. * include/std/unordered_set: Likewise. * include/std/valarray: Likewise. * include/std/vector: Likewise. * include/tr1/array: Likewise. * include/tr1/ccomplex: Likewise. * include/tr1/cctype: Likewise. * include/tr1/cfenv: Likewise. * include/tr1/cfloat: Likewise. * include/tr1/cinttypes: Likewise. * include/tr1/climits: Likewise. * include/tr1/cmath: Likewise. * include/tr1/complex: Likewise. * include/tr1/complex.h: Likewise. * include/tr1/cstdarg: Likewise. * include/tr1/cstdbool: Likewise. * include/tr1/cstdint: Likewise. * include/tr1/cstdio: Likewise. * include/tr1/cstdlib: Likewise. * include/tr1/ctgmath: Likewise. * include/tr1/ctime: Likewise. * include/tr1/ctype.h: Likewise. * include/tr1/cwchar: Likewise. * include/tr1/cwctype: Likewise. * include/tr1/fenv.h: Likewise. * include/tr1/float.h: Likewise. * include/tr1/functional: Likewise. * include/tr1/inttypes.h: Likewise. * include/tr1/limits.h: Likewise. * include/tr1/math.h: Likewise. * include/tr1/memory: Likewise. * include/tr1/random: Likewise. * include/tr1/regex: Likewise. * include/tr1/stdarg.h: Likewise. * include/tr1/stdbool.h: Likewise. * include/tr1/stdint.h: Likewise. * include/tr1/stdio.h: Likewise. * include/tr1/stdlib.h: Likewise. * include/tr1/tgmath.h: Likewise. * include/tr1/tuple: Likewise. * include/tr1/type_traits: Likewise. * include/tr1/unordered_map: Likewise. * include/tr1/unordered_set: Likewise. * include/tr1/utility: Likewise. * include/tr1/wchar.h: Likewise. * include/tr1/wctype.h: Likewise. * include/c_global/cmath: Likewise. * include/ext/algorithm: Include <bits/requires_hosted.h>. * include/ext/bitmap_allocator.h: Likewise. * include/ext/cmath: Likewise. * include/ext/codecvt_specializations.h: Likewise. * include/ext/debug_allocator.h: Likewise. * include/ext/enc_filebuf.h: Likewise. * include/ext/extptr_allocator.h: Likewise. * include/ext/functional: Likewise. * include/ext/malloc_allocator.h: Likewise. * include/ext/memory: Likewise. * include/ext/mt_allocator.h: Likewise. * include/ext/new_allocator.h: Likewise. * include/ext/numeric: Likewise. * include/ext/pod_char_traits.h: Likewise. * include/ext/pool_allocator.h: Likewise. * include/ext/random: Likewise. * include/ext/random.tcc: Likewise. * include/ext/rb_tree: Likewise. * include/ext/rc_string_base.h: Likewise. * include/ext/rope: Likewise. * include/ext/ropeimpl.h: Likewise. * include/ext/slist: Likewise. * include/ext/sso_string_base.h: Likewise. * include/ext/stdio_filebuf.h: Likewise. * include/ext/stdio_sync_filebuf.h: Likewise. * include/ext/string_conversions.h: Likewise. * include/ext/throw_allocator.h: Likewise. * include/ext/vstring.h: Likewise. * include/ext/vstring.tcc: Likewise. * include/ext/vstring_fwd.h: Likewise. * include/ext/vstring_util.h: Likewise. * include/std/charconv: Likewise. (__cpp_lib_to_chars): Do not define for freestanding. * include/std/version: Adjust which macros get defined in freestanding. * include/ext/pointer.h [!_GLIBCXX_HOSTED]: Omit iostream functionality from freestanding. * include/std/algorithm [!_GLIBCXX_HOSTED]: Omit PSTL algos. * include/std/memory [!_GLIBCXX_HOSTED]: Omit <bits/stl_tempbuf.h> in freestanding * include/bits/algorithmfwd.h [!_GLIBCXX_HOSTED]: Omit leftover random_shuffle and stable_partition definition. * include/bits/stl_algo.h [!_GLIBCXX_HOSTED]: Omit random_shuffle and stable_partition from freestanding. * include/bits/ranges_algo.h [!_GLIBCXX_HOSTED]: Omit stable_partition from freestanding. * include/bits/concept_check.h: Remove needless HOSTED check. * include/std/iterator: Include <bits/ranges_base.h>. * include/std/numeric (__cpp_lib_parallel_algorithms): Do not define for freestanding. * include/std/functional (__cpp_lib_boyer_moore_searcher): Likewise. * testsuite/lib/prune.exp: Match error for hosted-only libstdc++ tests.
2022-01-03Update copyright years.Jakub Jelinek1-1/+1
2021-08-26libstdc++: Make Networking TS headers more portable [PR100285]Jonathan Wakely1-4/+18
Add more preprocessor conditions to check for constants being defined before using them, so that the Networking TS headers can be compiled on a wider range of platforms. Signed-off-by: Jonathan Wakely <jwakely@redhat.com> libstdc++-v3/ChangeLog: PR libstdc++/100285 * configure.ac: Check for O_NONBLOCK. * configure: Regenerate. * include/experimental/internet: Include <ws2tcpip.h> for Windows. Use preprocessor conditions around more constants. * include/experimental/socket: Use preprocessor conditions around more constants. * testsuite/experimental/net/internet/resolver/base.cc: Only use constants when the corresponding C macro is defined. * testsuite/experimental/net/socket/basic_socket.cc: Likewise. * testsuite/experimental/net/socket/socket_base.cc: Likewise. Make preprocessor checks more fine-grained.
2021-07-27libstdc++: Remove unnecessary uses of <utility>Jonathan Wakely1-5/+5
The <algorithm> header includes <utility>, with a comment referring to UK-300, a National Body comment on the C++11 draft. That comment proposed to move std::swap to <utility> and then require <algorithm> to include <utility>. The comment was rejected, so we do not need to implement the suggestion. For backwards compatibility with C++03 we do want <algorithm> to define std::swap, but it does so anyway via <bits/move.h>. We don't need the whole of <utility> to do that. A few other headers that need std::swap can include <bits/move.h> to get it, instead of <utility>. There are several headers that include <utility> to get std::pair, but they can use <bits/stl_pair.h> to get it without also including the rel_ops namespace and other contents of <utility>. Signed-off-by: Jonathan Wakely <jwakely@redhat.com> libstdc++-v3/ChangeLog: * include/std/algorithm: Do not include <utility>. * include/std/functional: Likewise. * include/std/regex: Include <bits/stl_pair.h> instead of <utility>. * include/debug/map.h: Likewise. * include/debug/multimap.h: Likewise. * include/debug/multiset.h: Likewise. * include/debug/set.h: Likewise. * include/debug/vector: Likewise. * include/bits/fs_path.h: Likewise. * include/bits/unique_ptr.h: Do not include <utility>. * include/experimental/any: Likewise. * include/experimental/executor: Likewise. * include/experimental/memory: Likewise. * include/experimental/optional: Likewise. * include/experimental/socket: Use __exchange instead of std::exchange. * src/filesystem/ops-common.h: Likewise. * testsuite/20_util/default_delete/48631_neg.cc: Adjust expected errors to not use a hardcoded line number. * testsuite/20_util/default_delete/void_neg.cc: Likewise. * testsuite/20_util/specialized_algorithms/uninitialized_copy/constrained.cc: Include <utility> for std::as_const. * testsuite/20_util/specialized_algorithms/uninitialized_default_construct/constrained.cc: Likewise. * testsuite/20_util/specialized_algorithms/uninitialized_move/constrained.cc: Likewise. * testsuite/20_util/specialized_algorithms/uninitialized_value_construct/constrained.cc: Likewise. * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adjust dg-error line number.
2021-04-30libstdc++: Use <sys/socket.h> features conditionally [PR 100285]Jonathan Wakely1-0/+8
This makes the uses of getsockopt and setsockopt in <experimental/socket> conditional on the availability of <sys/socket.h>. It also fixes a test to check for <sys/socket.h> instead of <socket.h>. libstdc++-v3/ChangeLog: PR libstdc++/100285 * include/experimental/socket (__basic_socket_impl::set_option) (__basic_socket_impl::get_option) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Just set error code. * testsuite/experimental/net/socket/socket_base.cc: CHeck for <sys/socket.h> not <socket.h>.
2021-04-27libstdc++: Define net::socket_base::message_flags operators as friends [PR ↵Jonathan Wakely1-40/+34
100285] The overloaded operators for socket_base::message_flags should only be defined when the message_flags type itself is defined. Rather than duplicate the preprocessor conditional, this moves the operators into the same scope as the type, defining them as hidden friends. As well as fixing the bug, this has all the usual advantages of hidden friends (they are not visible to normal name lookup for unrelated types). For consistency, do the same for the resolver_base::flags bitmask operators too. libstdc++-v3/ChangeLog: PR libstdc++/100285 * include/experimental/internet (resolver_base::flags): Define overloaded operators as hidden friends. * include/experimental/socket (socket_base::message_flags): Likewise.
2021-04-26libstdc++: Fix internet socket option classesJonathan Wakely1-0/+2
Similar to the previous commit, this fixes various problems with the socket options classes in the <internet> header: - The constructors were not noexcept. - The __sockopt_base<T>::value() member function was present unconditionally (so was defined for socket_base::linger which is incorrect). - The __socket_crtp<C, T>::operator=(T) assignment operator was not noexcept, and was hidden in the derived classes. - The MulticastSocketOptions incorrectly used a union, incorrectly defined resize and const data() member functions, and their constructors were unimplemented. Also, where appropriate: - Use class instead of struct for the socket option types. - Define the _S_level and _S_name constants as private. - Declare the __socket_crtp base as a friend. libstdc++-v3/ChangeLog: * include/experimental/internet (tcp::no_delay, v6_only) (unicast::hops, multicast::hops, multicast::enable_loopback): Change access of base class and static data members. Add using-declaration for __socket_crtp::operator=(_Tp). (multicast::__mcastopt): New type. (multicast::join_group, multicast::leave_group): Derive from __mcastopt for common implementation. * include/experimental/socket: Add comment. * testsuite/experimental/net/internet/socket/opt.cc: New test. * testsuite/experimental/net/socket/socket_base.cc: Check for protected constructor/destructor of socket_base. Check for explicit constructors of socket option classes.
2021-04-26libstdc++: Fix socket option classesJonathan Wakely1-11/+55
This fixes some flaws in the socket option types defined in net::socket_base: - The constructors were not noexcept. - The __sockopt_base<T>::value() member function was present unconditionally (so was defined for socket_base::linger which is incorrect). - The __socket_crtp<C, T>::operator=(T) assignment operator was not noexcept, and was hidden in the derived classes. Also: - Use class instead of struct for the socket option types. - Define the _S_level and _S_name constants as private. - Declare the __socket_crtp base as a friend. libstdc++-v3/ChangeLog: * include/experimental/bits/net.h (__socket_base): Add bool template parameter to allow BooleanSocketOption and IntegerSocketOption to have different __socket_base<int> base classes. (__socket_base<bool>): Adjust base class. (__socket_base<int>): Add partial specialization. (__socket_crtp::operator=(_Tp)): Add noexcept-specifier. * include/experimental/socket (socket_base::broadcast) (socket_base::debug, socket_base::do_not_route) (socket_base::keep_alive, socket_base::linger) (socket_base::out_of_band_inline) (socket_base::receive_buffer_size) (socket_base::receive_low_watermark) (socket_base::reuse_address, socket_base::send_buffer_size) (socket_base::send_low_watermark): Add using-declaration for __socket_crtp::operator=(_Tp). * testsuite/experimental/net/socket/socket_base.cc: Check properties of socket option types.
2021-04-23libstdc++: Clarify argument to net::io_context::async_waitJonathan Wakely1-11/+11
Add a comment documenting the __w parameter of the private ios_context::async_wait function. Add casts to callers, making the conversions explicit. libstdc++-v3/ChangeLog: * include/experimental/io_context (io_context::async_wait): Add comment. * include/experimental/socket (basic_socket::async_connect): Cast wait_type constant to int. (basic_datagram_socket::async_receive): Likewise. (basic_datagram_socket::async_receive_from): Likewise. (basic_datagram_socket::async_send): Likewise. (basic_datagram_socket::async_send_to): Likewise. (basic_stream_socket::async_receive): Likewise. (basic_stream_socket::async_send): Likewise. Use io_context parameter directly, instead of via an executor. (basic_socket_acceptor::async_accept): Likewise.
2021-04-23libstdc++ Simplify definition of net::socket_base constantsJonathan Wakely1-30/+29
libstdc++-v3/ChangeLog: * include/experimental/socket (socket_base::shutdown_type): (socket_base::wait_type, socket_base::message_flags): Remove enumerators. Initialize constants directly with desired values. (socket_base::message_flags): Make all operators constexpr and noexcept. * testsuite/util/testsuite_common_types.h (test_bitmask_values): New test utility. * testsuite/experimental/net/socket/socket_base.cc: New test.
2021-04-06libstdc++: Fix doxygen markup for group close commandsJonathan Wakely1-5/+5
A change in Doxygen 1.8.16 means that "// @}" is no longer recognized by Doxygen, so doesn't close a @{ group. A "///" comment needs to be used. libstdc++-v3/ChangeLog: * include/bits/atomic_base.h: Fix doxygen group close. * include/bits/basic_ios.h: Likewise. * include/bits/forward_list.h: Likewise. * include/bits/fs_dir.h: Likewise. * include/bits/fs_ops.h: Likewise. * include/bits/fs_path.h: Likewise. * include/bits/functional_hash.h: Likewise. * include/bits/gslice.h: Likewise. * include/bits/gslice_array.h: Likewise. * include/bits/hashtable_policy.h: Likewise. * include/bits/indirect_array.h: Likewise. * include/bits/locale_classes.h: Likewise. * include/bits/locale_facets.h: Likewise. * include/bits/locale_facets_nonio.h: Likewise. * include/bits/mask_array.h: Likewise. * include/bits/refwrap.h: Likewise. * include/bits/regex.h: Likewise. * include/bits/regex_automaton.h: Likewise. * include/bits/regex_compiler.h: Likewise. * include/bits/regex_constants.h: Likewise. * include/bits/regex_error.h: Likewise. * include/bits/regex_executor.h: Likewise. * include/bits/regex_scanner.h: Likewise. * include/bits/shared_ptr.h: Likewise. * include/bits/shared_ptr_atomic.h: Likewise. * include/bits/shared_ptr_base.h: Likewise. * include/bits/slice_array.h: Likewise. * include/bits/specfun.h: Likewise. * include/bits/std_function.h: Likewise. * include/bits/std_mutex.h: Likewise. * include/bits/stl_deque.h: Likewise. * include/bits/stl_iterator.h: Likewise. * include/bits/stl_iterator_base_types.h: Likewise. * include/bits/stl_map.h: Likewise. * include/bits/stl_multimap.h: Likewise. * include/bits/stl_multiset.h: Likewise. * include/bits/stl_numeric.h: Likewise. * include/bits/stl_pair.h: Likewise. * include/bits/stl_set.h: Likewise. * include/bits/stl_uninitialized.h: Likewise. * include/bits/stream_iterator.h: Likewise. * include/bits/streambuf_iterator.h: Likewise. * include/bits/unique_ptr.h: Likewise. * include/bits/unordered_map.h: Likewise. * include/bits/unordered_set.h: Likewise. * include/decimal/decimal: Likewise. * include/experimental/any: Likewise. * include/experimental/array: Likewise. * include/experimental/bits/fs_dir.h: Likewise. * include/experimental/bits/fs_fwd.h: Likewise. * include/experimental/bits/fs_ops.h: Likewise. * include/experimental/bits/fs_path.h: Likewise. * include/experimental/buffer: Likewise. * include/experimental/internet: Likewise. * include/experimental/optional: Likewise. * include/experimental/propagate_const: Likewise. * include/experimental/socket: Likewise. * include/ext/pb_ds/assoc_container.hpp: Likewise. * include/ext/pb_ds/detail/priority_queue_base_dispatch.hpp: Likewise. * include/ext/pb_ds/detail/tree_policy/node_metadata_selector.hpp: Likewise. * include/ext/pb_ds/detail/trie_policy/node_metadata_selector.hpp: Likewise. * include/ext/pb_ds/detail/types_traits.hpp: Likewise. * include/ext/pb_ds/exception.hpp: Likewise. * include/ext/pb_ds/priority_queue.hpp: Likewise. * include/ext/pb_ds/tag_and_trait.hpp: Likewise. * include/ext/random: Likewise. * include/std/any: Likewise. * include/std/atomic: Likewise. * include/std/bitset: Likewise. * include/std/chrono: Likewise. * include/std/complex: Likewise. * include/std/condition_variable: Likewise. * include/std/fstream: Likewise. * include/std/future: Likewise. * include/std/iostream: Likewise. * include/std/istream: Likewise. * include/std/mutex: Likewise. * include/std/numeric: Likewise. * include/std/ostream: Likewise. * include/std/ratio: Likewise. * include/std/shared_mutex: Likewise. * include/std/stdexcept: Likewise. * include/std/streambuf: Likewise. * include/std/system_error: Likewise. * include/std/thread: Likewise. * include/std/valarray: Likewise. * include/std/variant: Likewise. * include/tr1/cmath: Likewise. * include/tr1/regex: Likewise. * include/tr2/dynamic_bitset: Likewise. * libsupc++/atomic_lockfree_defines.h: Likewise. * libsupc++/exception: Likewise. * libsupc++/exception.h: Likewise. * libsupc++/exception_ptr.h: Likewise. * libsupc++/nested_exception.h: Likewise. libstdc++-v3/ChangeLog: * include/tr1/regex:
2021-01-04Update copyright years.Jakub Jelinek1-1/+1
2020-05-21libstdc++: Use macro for nodiscard attributeJonathan Wakely1-2/+2
* include/experimental/socket (basic_socket::is_open() (basic_socket_acceptor::is_open()): Use _GLIBCXX_NODISCARD macro.
2020-05-21libstdc++: Better requirements checking in Networking TSJonathan Wakely1-27/+7
Define concepts and traits for checking type requirements. * include/experimental/bits/net.h (__endpoint, __protocol) (__acceptable_protocol, __inet_protocol): New concepts. (__detail::__is_endpoint): Move trait from <experimental/socket>. (__is_protocol, __is_acceptable_protocol, __is_inet_protocol): New traits. (__endpoint, __protocol, __acceptable_protocol): New variable templates. * include/experimental/socket (__is_endpoint): Move to net.h header. (basic_socket, basic_socket_acceptor): Check requirements.
2020-05-21libstdc++: Fix net::basic_socket::close(error_code&)Jonathan Wakely1-12/+33
Also add some missing member functions, nodiscard attributes, and noexcept-specifiers. * include/experimental/executor (use_future_t::use_future_t()): Fix incorrect noexcept-specifier. * include/experimental/internet (basic_resolver_results): Adjust whitespace. * include/experimental/socket (__basic_socket_impl::release): Add member function. (basic_socket(io_context&, const endpoint_type&)): Fix argument to target constructor. (basic_socket::release(), basic_socket::release(error_code&)): Add missing member functions. (basic_socket::is_open()): Add nodiscard attribute. (basic_socket::close(error_code&)): Pass argument to base function. (basic_socket_acceptor::release()) (basic_socket_acceptor::release(error_code&)): Add missing member functions. (basic_socket_acceptor::is_open()): Add nodiscard attribute. (basic_socket_streambuf::error()): Add noexcept. (basic_socket_iostream::error()): Likewise. * testsuite/experimental/net/socket/basic_socket.cc: New test.
2020-05-21libstdc++: Use 'using' for types in Networking TS headersJonathan Wakely1-27/+27
* include/experimental/buffer: Replace typedefs with alias-declarations. * include/experimental/executor: Likewise. * include/experimental/internet: Likewise. * include/experimental/socket: Likewise. * include/experimental/timer: Likewise.
2020-03-18libstdc++: Fix type-erasure in experimental::net::executor (PR 94203)Jonathan Wakely1-4/+14
The _Tgt and _TgtImpl types that implement type-erasure didn't agree on the virtual interface, so failed as soon as they were instantiated. With Clang they failed even sooner. The interface was also dependent on whether RTTI was enabled or not. This patch fixes the broken virtual functions and makes the type work without RTTI, by using a pointer to a specialization of a function template (similar to the approaches in std::function and std::any). The changes to the virtual functions would be an ABI change, except that the previous code didn't even compile if instantiated. This is experimental TS material anyway. PR libstdc++/94203 * include/experimental/executor (executor::executor(Executor)): Call make_shared directly instead of _M_create. Create _Tgt1 object. (executor::executor(allocator_arg_t, const ProtoAlloc&, Executor)): Call allocate_shared directly instead of _M_create. Create _Tgt2 object. (executor::target_type): Add cast needed for new _Tgt interface. (executor::target): Define when RTTI is disabled. Use _Tgt::_M_func. (executor::_Tgt): Define the same interface whether RTTI is enabled or not. (executor::_Tgt::target_type, executor::_Tgt::target): Do not use std::type_info in the interface. (executor::_Tgt::_M_func): Add data member. (executor::_TgtImpl): Replace with _Tgt1 and _Tgt2 class templates. (executor::_Tgt1::_S_func): Define function to access target without depending on RTTI. (executor::_M_create): Remove. (operator==, operator!=): Simplify comparisons for executor. * include/experimental/socket (is_error_code_enum<socket_errc>): Define specialization before use. * testsuite/experimental/net/executor/1.cc: New test.
2020-01-01Update copyright years.Jakub Jelinek1-1/+1
From-SVN: r279813
2019-05-02Improve docs for Networking TSJonathan Wakely1-3/+3
* include/experimental/bits/net.h: Fix/improve doxygen markup. * include/experimental/buffer: Likewise. * include/experimental/executor: Likewise. * include/experimental/internet: Likewise. * include/experimental/io_context: Likewise. * include/experimental/net: Likewise. * include/experimental/netfwd: Likewise. * include/experimental/socket: Likewise. * include/experimental/timer: Likewise. From-SVN: r270810
2019-03-11PR libstdc++/89460 Fix Networking TS test failures on HP-UXJonathan Wakely1-1/+1
Check for availability of POSIX sockatmark before using it. Rename _S_ntoh overloads that are ambiguous when passed an integral type that is neither uint16_t nor uint32_t. PR libstdc++/89460 * configure.ac: Check for sockatmark. * crossconfig.m4: Check for sockatmark. * config.h.in: Regenerate. * configure: Regenerate. * include/experimental/internet (address_v4::_S_hton): Rename overloaded functions to _S_hton_16 and _S_ntoh_16. (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32. (basic_endpoint): Adjust calls to _S_hton and _S_ntoh. * include/experimental/socket (basic_socket::at_mark): Check _GLIBCXX_HAVE_SOCKATMARK. From-SVN: r269588
2019-01-01Update copyright years.Jakub Jelinek1-1/+1
From-SVN: r267494
2018-10-16Fix versioned namespace macros for Networking TSJonathan Wakely1-2/+2
We no longer put the versioned namespace macros on the innermost namespace, but always nested directly below namespace std. * include/experimental/bits/net.h: Move versioned namespace macros to correct location. * include/experimental/buffer: Likewise. * include/experimental/executor: Likewise. * include/experimental/internet: Likewise. * include/experimental/io_context: Likewise. * include/experimental/netfwd: Likewise. * include/experimental/socket: Likewise. * include/experimental/timer: Likewise. From-SVN: r265204
2018-10-16Use autoconf to check for features needed by Networking TSJonathan Wakely1-11/+151
* config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Check for headers used by Networking TS. * include/experimental/executor: Include <condition_variable> instead of <mutex>. * include/experimental/internet: Use autoconf macros for available headers. Include <sys/socket.h> for. Remove <cstring> and use __builtin_memcpy and __builtin_strchr. (resolver_errc) [!_GLIBCXX_HAVE_NETDB_H]: Do not define. (address_v4::to_string, address_v6::to_string) [!_GLIBCXX_HAVE_ARPA_INET_H]: Likewise. (basic_resolver_results) [!_GLIBCXX_HAVE_NETDB_H]: Make private constructors report errors. [!_GLIBCXX_HAVE_NETINET_TCP_H] (tcp::no_delay): Do not define. * include/experimental/io_context: Likewise. * include/experimental/socket: Likewise. [!_GLIBCXX_HAVE_SYS_SOCKET_H, !_GLIBCXX_HAVE_POLL_H] (socket_base): Do not define nested types when relevant header not available. (__socket_impl::native_non_blocking) [!_GLIBCXX_HAVE_FCNTL_H]: Report an error. (__basic_socket_impl::open, __basic_socket_impl::local_endpoint) (__basic_socket_impl::bind) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise. (__basic_socket_impl::io_control) [!_GLIBCXX_HAVE_SYS_IOCTL_H]: Likewise. (basic_socket::at_mark, basic_socket::shutdown) (basic_socket::remote_endpoint, basic_socket::connect) (basic_socket::async_connect) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise. (basic_socket::available) [_GLIBCXX_HAVE_SYS_IOCTL_H]: Check macro for <sys/ioctl.h> availability. (basic_socket::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise. (basic_datagram_socket::receive, basic_datagram_socket::async_receive) (basic_datagram_socket::receive_from) (basic_datagram_socket::async_receive_from) (basic_datagram_socket::send, basic_datagram_socket::async_send) (basic_datagram_socket::send_to, basic_datagram_socket::async_send_to) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise. (basic_stream_socket::receive, basic_stream_socket::async_receive) (basic_stream_socket::send, basic_stream_socket::async_send) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise. (basic_socket_acceptor::listen, basic_socket_acceptor::accept) (basic_socket_acceptor::async_accept) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise. (basic_socket_acceptor::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise. From-SVN: r265203
2018-10-16Add missing returnJonathan Wakely1-4/+4
* include/experimental/socket (basic_socket::at_mark): Add missing return. From-SVN: r265199
2018-10-12Initial commit of Networking TS implementationJonathan Wakely1-0/+2474
* include/Makefile.am: Add new headers. * include/Makefile.in: Regenerate. * include/experimental/bits/net.h: New header for common implementation details of Networking TS. * include/experimental/buffer: New header. * include/experimental/executor: New header. * include/experimental/internet: New header. * include/experimental/io_context: New header. * include/experimental/net: New header. * include/experimental/netfwd: New header. * include/experimental/socket: New header. * include/experimental/timer: New header. * testsuite/experimental/net/buffer/arithmetic.cc: New test. * testsuite/experimental/net/buffer/const.cc: New test. * testsuite/experimental/net/buffer/creation.cc: New test. * testsuite/experimental/net/buffer/mutable.cc: New test. * testsuite/experimental/net/buffer/size.cc: New test. * testsuite/experimental/net/buffer/traits.cc: New test. * testsuite/experimental/net/execution_context/use_service.cc: New test. * testsuite/experimental/net/headers.cc: New test. * testsuite/experimental/net/internet/address/v4/comparisons.cc: New test. * testsuite/experimental/net/internet/address/v4/cons.cc: New test. * testsuite/experimental/net/internet/address/v4/creation.cc: New test. * testsuite/experimental/net/internet/address/v4/members.cc: New test. * testsuite/experimental/net/internet/resolver/base.cc: New test. * testsuite/experimental/net/internet/resolver/ops/lookup.cc: New test. * testsuite/experimental/net/internet/resolver/ops/reverse.cc: New test. * testsuite/experimental/net/timer/waitable/cons.cc: New test. * testsuite/experimental/net/timer/waitable/dest.cc: New test. * testsuite/experimental/net/timer/waitable/ops.cc: New test. From-SVN: r265080
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