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Release Status?
by Olaf van der Spek 17 Apr '15

17 Apr '15

Hi, What's the status of the release? -- Olaf

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Re: [boost] [Boost-users] [IPC Named Mutex]
by Tom Kent 16 Apr '15

16 Apr '15

On Thu, Apr 16, 2015 at 3:01 AM, Lorenzo Trivelli < trivelli.lorenzo(a)konvergence.it> wrote: > Hi to everyone, > I'm experiencing a strange behaviour of named mutex on > a windows 2008 machine. > symptoms: when the system event log is empty, creation > of named mutex fails with a boost::interprocess::interprocess:exception > with msg boost::interprocess_exception::library_error. > Now some data: > 1) Boost 1.57.0 + stlport 5.2 > 2) VS 2005 > 3) Target Environment: Win 2008/32 > 3) after a night of code digging I managed to crete a small sample > which raises the exception: > > #include <boost/shared_ptr.hpp> > #include <boost/interprocess/sync/named_mutex.hpp> > #include <boost/interprocess/sync/scoped_lock.hpp> > #include <iostream> > > typedef boost::shared_ptr<boost::interprocess::named_mutex> > safe_ipc_mx; > > static safe_ipc_mx __mx; > int main(void) { > system("pause"); > try { > __mx = safe_ipc_mx(new > boost::interprocess::named_mutex(boost::interprocess::open_or_create_t(),"JAEGER")); > std::cout << std::endl << "Mutex created !" << std::endl; > } catch(boost::interprocess::interprocess_exception const& e) { > std::cout << std::endl << "Mutex creation error " << > e.what() << " /" << e.get_error_code() << " /" << e.get_native_error(); > } > system("pause"); > return 0; > > } > > I tried it also, and got the same result. I also tried with msvc-12.0, same result. > as far as I digged, it seems that the trouble is in the > winapi::get_last_bootup_time(stamp) call > in shared_dir_helpers.hpp, but up to now I had not been able to reproduce > it on a machine with > all the debugging tools installed > get_last_bootup_time() looks through the system event log for event ID == 6005 (event log started)...since the event log was cleared out, this is not found. I guess that is a bug in boost. One thing you could try...in interprocess's win32_api.hpp, there is another implementation of get_last_bootup_time() which uses WMI instead of the event log (there were warnings in the source about WMI not supporting hibernation/clock changes correctly, so beware). If you define BOOST_INTERPROCESS_BOOTSTAMP_IS_LASTBOOTUPTIME it should use that other version...give that a try. (in visual studio Project Properties -> C/C++ -> Preprocessor -> Preprocessor Definitions: add a semi colon ';' then the above item) That worked for me on windows 7. I submitted a pull request to automatically fallback to WMI if the event log started event isn't in the log. https://github.com/boostorg/interprocess/pull/18 Tom

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[serialization] failing MPI build
by Alain Miniussi 16 Apr '15

16 Apr '15

Hi, Am I the only one with a (global) failing build on MPI ? ../../../boost/archive/detail/interface_oarchive.hpp(63): error: no instance of overloaded function "boost::mpi::detail::content_oarchive::save_override" matches the argument list argument types are: (const boost::archive::tracking_type) object type is: boost::mpi::detail::content_oarchive this->This()->save_override(t); I am going to investigate, but maybe I missed something obvious. Thanks Alain

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std::map<> - like structure for other than std::pair<>?
by David Hagood 16 Apr '15

16 Apr '15

Several times I have run into a use case where I have some object that I would like to access via something like a std::map<>, but which already contains a member that I would like to use as a key. Is there any data structure that "acts like a map", but instead of storing std::pair<key,value> allows me to store an object directly, and specify what member of that object is the key value? I can give a specific use case for this: For those of you not familiar with the SCA, there is an object called CF::Properties. This is a CORBA sequence (think std::vector) of objects of {string name, CORBA::Any value}, used to store metadata. Ideally, I'd like to have an object that I could initialize from that sequence that would allow me to do things like this: inline string &getKey(CF::Property &x) { return x.name; } void foo(CF::Properties &meta) { mapLikeThing<CF::Property,getKey> myMap(meta); double sampleRate; myMap["SampleRate"] >> sampleRate; setHardwareSampleRate(sampleRate); }

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Fwd: Windows Intel Compiler problem
by Mari Pecha 15 Apr '15

15 Apr '15

Good morning, I try compile boost with Intel Compiler under Windows OS, but I got an error message screen is in attachments. I don't know what I'm doing wrong, can you help me? Thank you Mari --- This email has been checked for viruses by Avast antivirus software. http://www.avast.com

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GSOC 2015 Sample Code
by Aditya Avinash Atluri 14 Apr '15

14 Apr '15

Hi, I was unable to put sample code during submission because I was busy with Mesa. Here is the sample code: https://gist.github.com/adityaatluri/22c97a726c304d9e5c50 -- Regards, Aditya Avinash Atluri, Graduate Student, Electrical and Computer Engineering, The George Washington University, Washington, DC.

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htmlspecialchars and urlencode?
by Olaf van der Spek 14 Apr '15

14 Apr '15

Hi, Does Boost have functions like htmlspecialchars and urlencode (from PHP)? If not, I think they'd make a nice addition to the string algorithm lib. -- Olaf

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boost::posix_time::duration_from_string throws std::out_of_range
by George Georgiev 13 Apr '15

13 Apr '15

Hi, I just noticed that boost::posix_time::duration_from_string throws std::out_of_range when I pass empty string to it. This seems like a bug, IMHO it should throw boost::bad_lexical_cast as it does for any other problem with the input. Thanks, George

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Git tags and Boost release
by Robert Ramey 12 Apr '15

12 Apr '15

I look in my history of the master branch and It seems to me I would like to be able to know which commit corresponds to which Boost release. I think the correct functionality to do this is described here. http://git-scm.com/book/en/v2/Git-Basics-Tagging I'm wondering if we want to do this upon release so we can remember where we were when something blows up. Ideally, I'd like the release managers to be able to just global to the "mark" when the release is "official" I like git - but anything I haven't done before is out of my comfort zone. So any insight would be appreciated. Robert Ramey -- View this message in context: http://boost.2283326.n4.nabble.com/Git-tags-and-Boost-release-tp4674328.html Sent from the Boost - Dev mailing list archive at Nabble.com.

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[modular boost][install] Signals2 include links not being generated during build
by Greg Rubino 12 Apr '15

12 Apr '15

Hi, I'm building modular boost on 32-bit debian linux, and the build runs without error, but the links for some of the header files are not created. Here's what I'm running: $ bash bootstrap.sh $ ./b2 --runtime-link=static --without-python --without-mpi --without-iostreams At the end of the build (which shows warnings but no failures), I get this message: """ ...updated 836 targets... The Boost C++ Libraries were successfully built! The following directory should be added to compiler include paths: .../boost The following directory should be added to linker library paths: .../boost/stage/lib """ But for some reason signals2 is not being built. From the boost build directory: $ ls stage/lib/libboost_signals2* ls: cannot access stage/lib/libboost_signals2*: No such file or directory $ ls boost/signals2.hpp ls: cannot access boost/signals2.hpp: No such file or directory I'm not sure what happened or even how to diagnose whatever the issue might be. Has anyone seen this before or have any troubleshooting tips for me? Thanks, Greg

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