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Hi everybody, I found a bug of Boost.Typeof emulation mode
by Atry 02 Jun '07

02 Jun '07

#include <boost/typeof/typeof.hpp> #include <boost/static_assert.hpp> int a = 0; int& b = a; BOOST_STATIC_ASSERT((boost::is_same<BOOST_TYPEOF(b), int&>::value));

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Boost inspection notification (2007-06-02/RC_1_34_0) *LC*
by Rene Rivera 02 Jun '07

02 Jun '07

Boost Inspection Report Run Date: 16:05:29 UTC, Saturday 02 June 2007 An inspection program <http://www.boost.org/tools/inspect/index.html> checks each file in the current Boost CVS for various problems, generating this as output. Problems detected include tabs in files, missing copyrights, broken URL's, and similar misdemeanors. Totals: 11453 files scanned 909 directories scanned (including root) 1059 problems reported Problem counts: 661 files missing Boost license info or having wrong reference text 398 files missing copyright notice Summary: any (1) archive (1) build (68) concept_check (22) conversion (5) doc (1) filesystem (2) function (1) graph (1) inspect (1) integer (9) lambda (10) libs (6) logic (2) math (1) more (13) mpl (417) multi_array (13) numeric (188) optional (1) people (4) program_options (35) property_map (15) ptr_container (8) python (14) rational (5) regex (4) regression (118) release (2) serialization (16) signals (2) smart_ptr (8) test (3) timer (1) tr1 (2) tuple (5) utility (12) variant (42) Details: *L* missing Boost license info, or wrong reference text *C* missing copyright notice |any| libs/any/doc/ any.xml: *L* |archive| boost/archive/detail/ utf8_codecvt_facet.hpp: *L* |build| tools/build/v2/build/ build-request.jam: *L* modifiers.jam: *L* tools/build/v2/doc/ Jamfile.v2: *C* *L* 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*L* check_existance.py: *C* *L* checked_system.py: *C* *L* libxslt.py: *C* *L* log.py: *C* *L* makedirs.py: *C* *L* send_mail.py: *C* *L* sourceforge.py: *C* *L* tar.py: *C* *L* zip.py: *C* *L* tools/regression/xsl_reports/xsl/v2/ expected_to_1_33_format.xsl: *C* *L* |release| tools/release/ utils.py: *C* *L* |serialization| libs/serialization/doc/ style.css: *C* *L* libs/serialization/example/ demo_output.txt: *C* *L* demo_save.xml: *C* *L* demofile.txt: *C* *L* libs/serialization/test/ run_archive_test.bat: *C* *L* runtest.bat: *C* *L* runtest.sh: *C* *L* libs/serialization/vc7ide/ readme.txt: *C* *L* |signals| libs/signals/doc/ tutorial.xml: *C* *L* |smart_ptr| libs/smart_ptr/ compatibility.htm: *L* scoped_array.htm: *L* scoped_ptr.htm: *L* shared_array.htm: *L* shared_ptr.htm: *L* smart_ptr.htm: *L* smarttests.htm: *L* weak_ptr.htm: *L* |test| boost/test/utils/runtime/cla/detail/ argument_value_usage.hpp: *L* libs/test/test/auto-link-test/ run_bjam.bat: *C* *L* |timer| libs/timer/ timer.htm: *L* |tr1| boost/tr1/ tuple.hpp: *C* *L* |tuple| libs/tuple/doc/ design_decisions_rationale.html: *L* tuple_advanced_interface.html: *L* tuple_users_guide.html: *L* libs/tuple/test/ README: *C* *L* |utility| boost/ shared_container_iterator.hpp: *L* libs/utility/ OptionalPointee.html: *L* call_traits.htm: *L* compressed_pair.htm: *L* enable_if.html: *L* libs/utility/test/ Jamfile.v2: *L* libs/utility/ utility.htm: *L* value_init.htm: *L* value_init_test.cpp: *C* value_init_test_fail1.cpp: *C* value_init_test_fail2.cpp: *C* value_init_test_fail3.cpp: *C* |variant| libs/variant/doc/ Jamfile.v2: *C* *L* biblio.xml: *C* *L* design.xml: *C* *L* introduction.xml: *C* *L* misc.xml: *C* *L* libs/variant/doc/reference/ apply_visitor.xml: *C* *L* bad_visit.xml: *C* *L* concepts.xml: *C* *L* get.xml: *C* *L* recursive_variant.xml: *C* *L* recursive_wrapper.xml: *C* *L* reference.xml: *C* *L* static_visitor.xml: *C* *L* variant.xml: *C* *L* variant_fwd.xml: *C* *L* visitor_ptr.xml: *C* *L* libs/variant/doc/tutorial/ advanced.xml: *C* *L* basic.xml: *C* *L* tutorial.xml: *C* *L* libs/variant/doc/ variant.xml: *L* libs/variant/ index.html: *C* *L* libs/variant/test/ Jamfile.v2: *L*

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Boost inspection notification (2007-06-02/RC_1_34_0) *X*
by Rene Rivera 02 Jun '07

02 Jun '07

Boost Inspection Report Run Date: 16:05:22 UTC, Saturday 02 June 2007 An inspection program <http://www.boost.org/tools/inspect/index.html> checks each file in the current Boost CVS for various problems, generating this as output. Problems detected include tabs in files, missing copyrights, broken URL's, and similar misdemeanors. Totals: 11453 files scanned 909 directories scanned (including root) 193 problems reported Problem counts: 0 files with invalid line endings 0 bookmarks with invalid characters 3 invalid urls 101 broken links 21 unlinked files 22 file/directory names issues 2 files with tabs 9 violations of the Boost min/max guidelines 35 usages of unnamed namespaces in headers (including .ipp files) Summary: archive (3) bind (1) boost-root (1) build (1) date_time (1) doc (2) filesystem (33) graph (3) iostreams (2) lambda (3) math (8) more (4) mpl (4) multi_array (2) ptr_container (1) python (8) regex (1) regression (32) serialization (1) test (81) type_traits (1) Details: *R* invalid (cr only) line-ending *A* invalid bookmarks, invalid urls, broken links, unlinked files *N* file/directory names issues *T* tabs in file *M* uses of min or max that have not been protected from the min/max macros, or unallowed #undef-s *U* unnamed namespace in header |archive| boost/archive/basic_streambuf_locale_saver.hpp: *N* name exceeds 31 characters boost/archive/impl/xml_wiarchive_impl.ipp: *U* unnamed namespace at line 53 boost/archive/iterators/remove_whitespace.hpp: *U* unnamed namespace at line 57 |bind| boost/bind/placeholders.hpp: *U* unnamed namespace at line 25 |boost-root| index.htm: *A* broken link: doc/hmtl/date_time/details.html#changes |build| tools/build/v2/test/test_system.html: *A* unlinked file |date_time| libs/date_time/xmldoc/date_time_docs_howto.html: *A* unlinked file |doc| doc/html/boost_math/inverse_complex.html: *A* unlinked file doc/html/jam.html: *A* unlinked file |filesystem| libs/filesystem/doc/do-list.htm: *A* invalid URL (hardwired file): file://?/ *A* invalid URL (hardwired file): file://?/UNC/ libs/filesystem/doc/i18n.html: *A* broken link: convenience.htm#basic_recursive_directory_iterator *A* broken link: exception.htm *A* broken link: operations.htm *A* broken link: operations.htm#Do-the-right-thing *A* broken link: operations.htm#is_directory *A* broken link: operations.htm#is_file *A* broken link: operations.htm#status libs/filesystem/doc/index.htm: *A* broken link: ../build/Jamfile *A* broken link: convenience.htm *A* broken link: operations.htm#create_directory *A* broken link: operations.htm#create_hard_link *A* broken link: operations.htm#current_path *A* broken link: operations.htm#equivalent *A* broken link: operations.htm#file_size *A* broken link: operations.htm#initial_path *A* broken link: operations.htm#is_file *A* broken link: operations.htm#is_symlink *A* broken link: operations.htm#status *A* broken link: operations.htm#symlink_status *A* broken link: path.htm#Canonical *A* broken link: path.htm#Normalized *A* broken link: path.htm#default_name_check *A* broken link: path.htm#name_check_mechanism *A* broken link: path.htm#normalize *A* broken link: path.htm#operator_eq libs/filesystem/doc/portability_guide.htm: *A* broken link: path.htm#name_check_typedef libs/filesystem/doc/tr2_proposal.html: *A* invalid URL (hardwired file): file:///C|/boost/site/libs/filesystem/doc/operations.htm#complete_note |graph| boost/graph/relax.hpp: *T* libs/graph/example/file_dependencies.cpp: *M* violation of Boost min/max guidelines on line 139 libs/graph/test/serialize.cpp: *T* |iostreams| libs/iostreams/doc/concepts/multi-character.html: *A* unlinked file libs/iostreams/doc/installation.html: *A* broken link: ../../../tools/build/v1/build_system.htm |lambda| boost/lambda/core.hpp: *U* unnamed namespace at line 62 boost/lambda/detail/lambda_functors.hpp: *U* unnamed namespace at line 25 boost/lambda/exceptions.hpp: *U* unnamed namespace at line 24 |math| libs/math/test/common_factor_test.cpp: *M* violation of Boost min/max guidelines on line 146 *M* violation of Boost min/max guidelines on line 147 *M* violation of Boost min/max guidelines on line 193 *M* violation of Boost min/max guidelines on line 194 |more| more/cvs.html: *A* unlinked file more/getting_started/unix-variants.html: *A* broken link: ../../doc/html/thread/build.html#thread.build more/getting_started/windows.html: *A* broken link: ../../doc/html/thread/build.html#thread.build more/separate_compilation.html: *A* broken link: ../libs/config/test/link/test/Jamfile.v2 |mpl| boost/mpl/alias.hpp: *U* unnamed namespace at line 17 libs/mpl/doc/refmanual/for-each.html: *A* broken link: ./value-initialized.html |multi_array| boost/multi_array/base.hpp: *U* unnamed namespace at line 69 libs/multi_array/test/generative_tests.hpp: *U* unnamed namespace at line 57 |ptr_container| libs/ptr_container/doc/tutorial_example.html: *A* unlinked file |python| libs/python/doc/building.html: *A* broken link: ../index.htm libs/python/doc/tutorial/doc/html/python/hello.html: *A* broken link: ../../../../../example/tutorial/Jamrules libs/python/doc/tutorial/index.html: *A* broken link: ../../../LICENSE_1_0.txt libs/python/doc/v2/May2002.html: *A* broken link: ../../../../tools/build/v1/build_system.htm *A* broken link: ../../../../tools/build/v1/gen_aix_import_file.py libs/python/doc/v2/faq.html: *A* broken link: ../../../../tools/build/v1/build_system.htm |regex| libs/regex/performance/input.html: *A* unlinked file |regression| regression/.htaccess: *N* leading character of ".htaccess" is not alphabetic tools/regression/test/test-cases/incremental/bjam.log.1: *N* name contains more than one dot character ('.') tools/regression/xsl_reports/test/test-components/test_is_test_log_complete/compile-fail.xml: *N* file path will exceed 100 characters in a directory tree with a root of the form boost_X_XX_X/ tools/regression/xsl_reports/test/test-components/test_is_test_log_complete/completed.xml: *N* file path will exceed 100 characters in a directory tree with a root of the form boost_X_XX_X/ tools/regression/xsl_reports/test/test-components/test_is_test_log_complete/expected/compile-fail.xml: *N* file path will exceed 100 characters in a directory tree with a root of the form boost_X_XX_X/ tools/regression/xsl_reports/test/test-components/test_is_test_log_complete/expected/completed.xml: *N* file path will exceed 100 characters in a directory tree with a root of the form boost_X_XX_X/ tools/regression/xsl_reports/test/test-components/test_is_test_log_complete/expected/lib.xml: *N* file path will exceed 100 characters in a directory tree with a root of the form boost_X_XX_X/ tools/regression/xsl_reports/test/test-components/test_is_test_log_complete/expected/misfire.xml: *N* file path will exceed 100 characters in a directory tree with a root of the form boost_X_XX_X/ tools/regression/xsl_reports/test/test-components/test_is_test_log_complete/expected/no-run.xml: *N* file path will exceed 100 characters in a directory tree with a root of the form boost_X_XX_X/ tools/regression/xsl_reports/test/test-components/test_is_test_log_complete/expected/run_pyd.xml: *N* file path will exceed 100 characters in a directory tree with a root of the form boost_X_XX_X/ tools/regression/xsl_reports/test/test-components/test_is_test_log_complete/expected/test-case.xml: *N* file path will exceed 100 characters in a directory tree with a root of the form boost_X_XX_X/ tools/regression/xsl_reports/test/test-components/test_is_test_log_complete/test-case.xml: *N* file path will exceed 100 characters in a directory tree with a root of the form boost_X_XX_X/ tools/regression/xsl_reports/test/test-components/test_is_test_log_complete/test-driver.xsl: *N* file path will exceed 100 characters in a directory tree with a root of the form boost_X_XX_X/ tools/regression/xsl_reports/test/test-components/test_re_match/expected/test_re_match.xml: *N* file path will exceed 100 characters in a directory tree with a root of the form boost_X_XX_X/ tools/regression/xsl_reports/test/test-components/test_test_case_status/explicit-failures-markup.xml.test: *N* file path will exceed 100 characters in a directory tree with a root of the form boost_X_XX_X/ *N* name contains more than one dot character ('.') *N* name exceeds 31 characters tools/regression/xsl_reports/test/test-components/test_test_structure/explicit-failures-markup.xml.test: *N* file path will exceed 100 characters in a directory tree with a root of the form boost_X_XX_X/ *N* name contains more than one dot character ('.') *N* name exceeds 31 characters tools/regression/xsl_reports/xsl/html/issues_legend.html: *A* unlinked file tools/regression/xsl_reports/xsl/html/library_developer_legend.html: *A* unlinked file tools/regression/xsl_reports/xsl/html/library_user_legend.html: *A* unlinked file tools/regression/xsl_reports/xsl/html/make_tinyurl.html: *A* unlinked file tools/regression/xsl_reports/xsl/html/summary_developer_legend.html: *A* unlinked file tools/regression/xsl_reports/xsl/html/summary_user_legend.html: *A* unlinked file tools/regression/xsl_reports/xsl/v2/html/issues_legend.html: *A* unlinked file tools/regression/xsl_reports/xsl/v2/html/library_developer_legend.html: *A* unlinked file tools/regression/xsl_reports/xsl/v2/html/library_user_legend.html: *A* unlinked file tools/regression/xsl_reports/xsl/v2/html/make_tinyurl.html: *A* unlinked file tools/regression/xsl_reports/xsl/v2/html/summary_developer_legend.html: *A* unlinked file tools/regression/xsl_reports/xsl/v2/html/summary_user_legend.html: *A* unlinked file |serialization| libs/serialization/src/basic_xml_grammar.ipp: *U* unnamed namespace at line 43 |test| boost/test/floating_point_comparison.hpp: *U* unnamed namespace at line 206 *U* unnamed namespace at line 228 boost/test/impl/cpp_main.ipp: *U* unnamed namespace at line 42 boost/test/impl/exception_safety.ipp: *U* unnamed namespace at line 400 boost/test/impl/framework.ipp: *U* unnamed namespace at line 199 boost/test/impl/plain_report_formatter.ipp: *U* unnamed namespace at line 45 boost/test/impl/progress_monitor.ipp: *U* unnamed namespace at line 38 boost/test/impl/results_collector.ipp: *U* unnamed namespace at line 106 boost/test/impl/results_reporter.ipp: *U* unnamed namespace at line 48 boost/test/impl/unit_test_log.ipp: *U* unnamed namespace at line 79 boost/test/impl/unit_test_monitor.ipp: *U* unnamed namespace at line 35 boost/test/impl/unit_test_parameters.ipp: *U* unnamed namespace at line 50 boost/test/results_collector.hpp: *U* unnamed namespace at line 40 boost/test/test_tools.hpp: *U* unnamed namespace at line 262 boost/test/utils/iterator/token_iterator.hpp: *U* unnamed namespace at line 166 boost/test/utils/named_params.hpp: *U* unnamed namespace at line 216 boost/test/utils/runtime/cla/dual_name_parameter.ipp: *U* unnamed namespace at line 43 boost/test/utils/runtime/cla/modifier.hpp: *U* unnamed namespace at line 34 boost/test/utils/runtime/env/modifier.hpp: *U* unnamed namespace at line 34 boost/test/utils/runtime/file/config_file.hpp: *U* unnamed namespace at line 169 *U* unnamed namespace at line 64 *U* unnamed namespace at line 74 boost/test/utils/runtime/file/config_file_iterator.hpp: *U* unnamed namespace at line 68 boost/test/utils/trivial_singleton.hpp: *U* unnamed namespace at line 52 *U* unnamed namespace at line 61 libs/test/build/msvc71_proj/config_file_iterator_test.vcproj: *N* name exceeds 31 characters libs/test/doc/components/prg_exec_monitor/compilation.html: *A* broken link: ../../../build/Jamfile libs/test/doc/components/prg_exec_monitor/index.html: *A* broken link: ../../../../../boost/test/cpp_main.hpp libs/test/doc/components/test_tools/index.html: *A* broken link: ../../tests/boost_check_equal_str.html libs/test/doc/components/test_tools/reference/BOOST_CHECK_CLOSE.html: *A* broken link: BOOST_CHECK_CLOSE_FRACTION.html libs/test/doc/components/test_tools/reference/BOOST_CHECK_MESSAGE.html: *A* broken link: BOOST_MESSAGE.html libs/test/doc/components/test_tools/reference/BOOST_CHECK_SMALL.html: *A* broken link: BOOST_CHECK_CLOSE_FRACTION.html libs/test/doc/components/test_tools/reference/tools_list.html: *A* broken link: ../../btl1.gif *A* broken link: BOOST_CHECK_CLOSE_FRACTION.html libs/test/doc/components/utf/compilation.html: *A* broken link: ../../../build/Jamfile libs/test/doc/components/utf/components/index.html: *A* broken link: ../../btl1.gif libs/test/doc/components/utf/components/test_case/abstract_interface.html: *A* broken link: ../../../btl1.gif libs/test/doc/components/utf/components/test_case/auto_register_facility.html: *A* broken link: ../../../btl1.gif libs/test/doc/components/utf/components/test_case/boost_function_tc.html: *A* broken link: ../../../../../../../boost/test/unit_test_suite_ex.hpp *A* broken link: ../../../btl1.gif libs/test/doc/components/utf/components/test_case/class_tc.html: *A* broken link: ../../../btl1.gif libs/test/doc/components/utf/components/test_case/function_tc.html: *A* broken link: ../../../btl1.gif libs/test/doc/components/utf/components/test_case/index.html: *A* broken 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1 0

typo in boost header: date_time/time_defs.hpp
by Sunil Rao 02 Jun '07

02 Jun '07

Hello, I'm writing to report a small typo a colleague of mine has discovered in the time_defs.hpp header in the date_time library. [Apologies if this is a known issue: I wasn't able to find any specific reference to this in any of the list archives.] http://boost.org/boost/date_time/time_defs.hpp The specific issue is in the time_resolutions enum: "hundredth" is misspelt as "hundreth". Hope this helps -sunil

2 1

[regex] empty expression issue
by impulse9 02 Jun '07

02 Jun '07

Hi All, I've just started to use boost::regex I met with the following incompatibility with Perl regular expressions: It is impossible to use empty expressions, neither alone nor inside of another regex statement. Sample code: #include <iostream> #include <boost/regex.hpp> void check_regexp(const char * text) { try { boost::regex e("(\\d+)\\s*(kbit|)"); boost::cmatch what; if (boost::regex_match(text, what, e)) { std::string item1(what[1].first, what[1].second); std::string item2(what[2].first, what[2].second); std::cout << "matched. " << std::endl << "Value : " << item1 << std::endl << "Units : " << item2 << std::endl << std::endl; } } catch (boost::regex_error & e) { std::cout << "ERROR: " << e.what() << std::endl; } } int main(int argc, char** argv) { check_regexp("96 kbit"); } Program output: ERROR: Empty expression Such regular expressions are quite legal in Perl (e.g. /(Ann|Bob|)/) One possible (quick-n-dirty) workaround for this is to replace boost::regex e("(\\d+)\\s*(kbit|)"); with boost::regex e("(\\d+)\\s*(kbit|.{0})"); Program output would be: matched. Value : 96 Units : kbit Would it be considered as an issue for further improvement? Thank you. -- impulse9

3 4

Re: [boost] lexical_cast error with double?
by Alexander Nasonov 02 Jun '07

02 Jun '07

If it's broken in 1.33.1, then it's no my fault. I thought I introduced this bug when I increased precision to pass loopback test. I'm sure it's consistent with std::iostream behavior so it's not a bug :( Preston A. Elder wrote: > I tried on 2 platforms: > > RedHat AS4 (2.6 kernel), x86 > gcc 3.4.4 and boost 1.33.1 > > Gentoo (2.6 kernel), amd64 > gcc 4.1.1 and boost 1.33.1 AND CVS Head > > All cases the same result. > > On Thu, 2007-05-31 at 15:52 +0400, Alexander Nasonov wrote: > > In HEAD or 1.34? which compiler? -- Alexander Nasonov http://nasonov.blogspot.com Let the river roll which way it will, cities will rise on its banks. -- Ralph Waldo Emerson -- This quote is generated by: /usr/pkg/bin/curl -L http://tinyurl.com/veusy \ | sed -e 's/^document\.write(.//' -e 's/.);$/ --/' \ -e 's/<[^>]*>//g' -e 's/^More quotes from //' \ | fmt | tee ~/.signature-quote

3 5

[ptr_container] void_ptr_iterator value_type
by shunsuke 02 Jun '07

02 Jun '07

Hi, Could you see a portion: template < class VoidIter, class T > class void_ptr_iterator { public: typedef T value_type; // !!?? typedef T& reference; typedef T* pointer; 'iterator_value<boost::ptr_vector<int>::const_iterator>::type' returns 'int const'. Is value_type allowed to be cv-qualified? -- Shunsuke Sogame

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[uuid] - boost/algorithm/string.hpp - error no matching function for call to 'find(wchar_t [16], wchar_t* const&, wchar_t&)'
by Oliver.Kowalke＠qimonda.com 02 Jun '07

02 Jun '07

Hi, I found that the error no matching function for call to 'find(wchar_t [16], wchar_t* const&, wchar_t&)' in uuid.hpp is raised by header <boost/algorithm/string.hpp>. Please look into test: #include <boost/algorithm/string.hpp> #include <boost/uuid.hpp> int main( int argc, char *argv[]) { try { boost::uuid id("a74ac3b9-32d8-4f18-b292-05df553eda95"); return EXIT_SUCCESS; } catch ( std::exception const& e) { std::cerr << e.what() << std::endl; } catch (...) { std::cerr << "unhandled exception" << std::endl; } return EXIT_FAILURE; } /opt/boost/include/boost-1_34/boost/uuid.hpp:210: instantiated from 'void boost::uuid::construct(const std::basic_string<_CharT, _Traits, _Alloc>&) [with ch = wchar_t, char_traits = std::char_traits<wchar_t>, alloc = std::allocator<wchar_t>]' /opt/boost/include/boost-1_34/boost/uuid.hpp:84: instantiated from here /opt/boost/include/boost-1_34/boost/uuid.hpp:469: error: no matching function for call to 'find(wchar_t [16], wchar_t* const&, wchar_t&)' Oliver

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Boost 1.34.0 Amiga patches
by Steven Solie 02 Jun '07

02 Jun '07

I've been working on a port of Boost 1.34.0 to AmigaOS 4.0 with the currently available SDK and I have several patches I'd like to try and submit. Here is a quick rundown of what I have available: 1. Changes for Boost.Jam 03.1.14 - Amiga was supported long ago but the previous changes are out of date so I fixed them up - the AmigaOS port uses build.sh to build the executable 2. Changes for Boost.Build to support the AmigaOS SDK toolset - added amiga.jam similar to what was done in darwin.jam - Amiga also uses a modified GCC toolset with special requirements 3. Changes for Boost.Config - Amiga is already supported now but updates are required 4. Changes for various libs - AmigaOS currently does not support shared libs, threads or python which required changes to several Jamfile.v2 build files - small changes to filesystem, iostreams and program_options sources 5. New Makefile.AmigaOS to drive the Boost build, tools and tests Would Boost be interested in incorporating my changes for the AmigaOS platform and who should I talk to about submitting patches? Thanks, --Steven Solie

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Re: [boost] [uuid] uuid::create() is extremely slow
by james.jones＠firstinvestors.com 01 Jun '07

01 Jun '07

From: Andy <atompkins(a)fastmail.fm> > There was opposition to using static objects because of threading > concerns. I do want a function that doesn't require the user to create > a random number generator themselves. > > If I use a static engine, I need to protect it with a mutex. This is > not optimal because there is the overhead of locking and unlocking the > mutex. Some people would rather have a static engine per thread using > thread local storage. This still requires one to link with > Boost.Thread. I created the uuid::create(Engine) function (great advice > from this list) so that users could do whatever they want (static engine > per thread, use thread local storage,...). > > The uuid::create() function should handle the common case and not be > best for all situations. So, I guess I need help to determine what the > common case is. My vote is to use a static in uuid::create() for performance, put in the documentation that this function is not thread-safe, and simply require that applications that care about thread safety for UUID creation use the uuid::create(Engine) interface. Developers going from a non-threaded to a threaded application are going to have to audit their code for thread safety anyway. - James Jones Administrative Data Mgmt. Webmaster 375 Raritan Center Pkwy, Suite A Data Architect Edison, NJ 08837

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