- Boost - lists.boost.org

interest poll: smart pointers that handle circular references
by Ariane van der Steldt 11 Apr '07

11 Apr '07

Hello, I was wondering if there's interest in a smart pointer, which is able to cope with circular references. I think it would make a nice addition to the smart_ptr classes already in boost. I have a library almost ready, which can solve the problem where: - class A contains a pointer to class B - class B contains a pointer to class A - and it is not known wether the "master" of these two is A or B. With "master", I mean which pointer is the pointer that is kept alive from the execution thread. For example, if we would implement this with shared_ptr and weak_ptr, we would most likely have the following: - class A contains a shared_ptr to class B - class B contains a weak_ptr to class A - the execution thread contains a shared_ptr Ptr to class A. In this case, if I where to assign Ptr = B, A would be erased, since A no longer is referenced (weak_ptr references don't count reference-counter wise). The code I have aims to solve this problem, by using two types of pointers. The execution thread will work with boost::intrusive_ptr (which are allocated on the stack) while classes wishing to point to other classes, will use a new type of pointer (named 'reference') that I designed. This pointer is aware of the owner of the pointer, in addition of the object it points to. The implementation uses only standard C++ code, with some help from boost (notably boost::intrusive_ptr and, in the case of multithreading environments, boost::thread). Anyways, I am wondering if people are interested. :) Can't imagine that it wouldn't be of use to at least some of you. ;) For status info: I am currently ironing out some minor bugs and implementing STL-type collection classes (like the equivalent of a std::list<MyClass*> ) for these pointers, as they have non-standard initialization semantics. Ariane

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IMPORTANT! Lost front page changes! Need help to recover them.
by Rene Rivera 10 Apr '07

10 Apr '07

The recent change to the home page overwrote a considerable number of changes that where done to the home page. The changes where lost because they where *not* in the CVS version of the home page. We have a page outlining this precise situation and hence why it's important to make the changes to CVS <http://boost.org/more/updating_the_website.html>. But now I need your help. We need to recover the changes we lost. If you know of changes to the home page that we should have please post them so I can integrate them back into the home page (and the CVS copy of it). And yes I checked archive.org, but they don't have any recent version of the page. -- -- Grafik - Don't Assume Anything -- Redshift Software, Inc. - http://redshift-software.com -- rrivera/acm.org - grafik/redshift-software.com -- 102708583/icq - grafikrobot/aim - grafikrobot/yahoo

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[mpi] Error generating documentation.
by Stefan Seefeld 10 Apr '07

10 Apr '07

I'm looking into documentation generation as I try to apply some updates to the boost.python tutorial. Following the steps outlined at http://www.boost.org/doc/html/boostbook.html, I get the error error: Unable to find file or target named error: '../libs/parallel/doc//mpi' error: referred from project at error: '.' Am I the first one to run into this issue ? Note that this error appears to affect all documentation generation, not only boost.mpi. Thanks, Stefan -- ...ich hab' noch einen Koffer in Berlin...

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[Spirit, shared_ptr] Broken due to last changes.
by Jürgen Hunold 10 Apr '07

10 Apr '07

Hi ! The lastest changes to Boost.SharedPtr seem to have broken spirit compiliation. I get: boost/boost/spirit/core/non_terminal/impl/grammar.ipp:232: error: 'make_shared' is not a member of 'boost' /boost/boost/spirit/core/non_terminal/impl/grammar.ipp:234: error: 'make_shared' is not a member of 'boost' I think that Peter Dimov removed "make_shared" from weak_ptr.h. Could someone with more insight in both libs fix this ? Yours, Jürgen -- * Dipl.-Math. Jürgen Hunold ! Ingenieurgesellschaft für * voice: ++49 511 262926 57 ! Verkehrs- und Eisenbahnwesen mbH * fax : ++49 511 262926 99 ! Lister Straße 15 * juergen.hunold(a)ivembh.de ! www.ivembh.de * * Geschäftsführer: ! Sitz des Unternehmens: Hannover * Prof. Dr.-Ing. Thomas Siefer ! Amtsgericht Hannover, HRB 56965 * PD Dr.-Ing. Alfons Radtke !

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Boost inspection notification (2007-04-10/RC_1_34_0) *X*
by Rene Rivera 10 Apr '07

10 Apr '07

Boost Inspection Report Run Date: 16:05:59 UTC, Tuesday 10 April 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: 11449 files scanned 908 directories scanned (including root) 198 problems reported Problem counts: 0 files with invalid line endings 0 bookmarks with invalid characters 3 invalid urls 107 broken links 21 unlinked files 22 file/directory names issues 1 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 (3) build (1) date_time (1) doc (2) filesystem (37) graph (2) iostreams (3) lambda (3) math (8) more (1) mpl (4) multi_array (2) ptr_container (1) python (10) 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| 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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: fstream.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#directory_iterator *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#Grammar *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 *A* broken link: path.htm#synopsis 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| 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/acknowledgments.html: *A* unlinked file 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/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: ../../../tools/build/v1/build_system.htm *A* broken link: ../../../tools/build/v1/build_system.htm#user_globals *A* broken link: ../../../tools/build/v1/build_system.htm#variants 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/ 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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: 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Boost inspection notification (2007-04-10/RC_1_34_0) *LC*
by Rene Rivera 10 Apr '07

10 Apr '07

Boost Inspection Report Run Date: 16:06:06 UTC, Tuesday 10 April 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: 11449 files scanned 908 directories scanned (including root) 1051 problems reported Problem counts: 653 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 (6) 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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[Report] 1 regressions on RC_1_34_0 (2007-04-10)
by Douglas Gregor 10 Apr '07

10 Apr '07

Boost Regression test failures Report time: 2007-04-09T23:04:16Z This report lists all regression test failures on release platforms. Detailed report: http://engineering.meta-comm.com/boost-regression/CVS-RC_1_34_0/developer/i… 1 failures in 1 libraries graph (1) |graph| graphviz_test: gcc-cygwin-3.4.4

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Hybrid compilation model? was: [system] Why is this not header-only?
by Beman Dawes 10 Apr '07

10 Apr '07

There has been a thread running with the subject "[system] Why is this not header-only?" that discusses header-only versus compiled-library compilation models for Boost libraries. Some users require the compiled-library approach. I'll characterize these folks as requiring the shorter compile times and better software engineering practice that compiled libraries provide. In some cases these folks have had to rework Boost header-only libraries to create compiled libraries. Some users prefer the header-only approach. They need to be able to quickly set up at new project without messing around with compiled libraries. They want to be able to evaluate Boost libraries without doing any preparatory work altogether. Jeff Garland and Andrey Semashev argued that Boost should adopt a hybrid compilation model that allows applicable Boost libraries to be used in either header-only or compiled-library modes. Note that Boost.Test already provides this, although with degraded functionality in header-only form. There was some discussion as to how to do this; my eyes glazed over when discussions drifted into problems of dlls, singletons, etc. I'll like to challenge Boosters to think about this problem a bit more, and I'd love to see someone who understands the challenges take, say, Boost.System and demonstrate how it could be packaged for either header-only or compiled-library use. The important goal would be to abstract what to done into a general set of guidelines (and any configuration support needed). In other words, we don't so much need a solution for Boost.System as for any Boost library that would benefit from a hybrid computation model. Comments? --Beman

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[Boost-bugs] [ boost-Bugs-1697249 ] Insane Dependencies
by SourceForge.net 09 Apr '07

09 Apr '07

Bugs item #1697249, was opened at 2007-04-09 16:07 Message generated for change (Tracker Item Submitted) made by Item Submitter You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=107586&aid=1697249&group_… Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: date_time Group: release 1.34.0 Status: Open Resolution: None Priority: 5 Private: No Submitted By: Nobody/Anonymous (nobody) Assigned to: Jeff Garland (az_sw_dude) Summary: Insane Dependencies Initial Comment: From: helvey(a)accelrys.com Simply including boost/date_time/posix_time headers causes build times to skyrocket. Building a file that includes boost/date_time/posix_time/posix_time.hpp takes almost a minute, removing the header drops the time to less than a second. Also why no conversions to time_t? It would be nice not to have include the header outside of translation units. :) ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=107586&aid=1697249&group_… ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Boost-bugs mailing list Boost-bugs(a)lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/boost-bugs

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Homepage and RC_1_34_0
by Vladimir Prus 09 Apr '07

09 Apr '07

It looks like boost.org no longer has a link to regression results for 1.34.0 branch. Since we haven't released that one yet, maybe the link can be brought back? - Volodya

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