BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  TThreads and Vectors...          BorlandTalk.com Forum Index -> C++ Builder (VCL Components Usage) View previous topic :: View next topic   Author Message Kevin Johnson Guest Posted: Wed May 10, 2006 2:14 pm    Post subject: TThreads and Vectors... Hi everybody. Having a problem using a vector in my thread. I've got a thread created with the wizard and a descendant of TTread. I want to use a vector in it to store a structure that I have define. It's all pretty straightforward... I typedef my structure in the threads header, include vector.h and then declare a vector to hold the typedef'ed structure. However I then start to get compile errors, complaining about _pair.h, specifically: E2132 Templates and overloaded operators cannot have a C linkage E2040 Declareation terminated incorrectly is there any known problems using threads and vectors? Thanks in advance, K Back to top SF Guest Posted: Wed May 10, 2006 2:14 pm    Post subject: Re: TThreads and Vectors... Quote: However I then start to get compile errors, complaining about _pair.h, specifically: Are you using normal C vectors or STL std::vector? Please show some code to reproduce the problem. Quote: is there any known problems using threads and vectors? No. Not generally speaking. SF. Back to top SF Guest Posted: Wed May 10, 2006 3:14 pm    Post subject: Re: TThreads and Vectors... Quote: I'm using STL std::vector... TFileThread.h... I changed: vector<TSTR_FILE_DATA>vecFileData; with std::vector<TSTR_FILE_DATA>vecFileData; and MAXPATH with MAX_PATH and got no errors at compile-time (BCB5). Your problems are somewhere else, most likely not related to vectors. Where exactly are you getting: E2132 Templates and overloaded operators cannot have a C linkage E2040 Declareation terminated incorrectly HTH, SF. Back to top Mike Collins Guest Posted: Wed May 10, 2006 3:14 pm    Post subject: Re: TThreads and Vectors... Hi SF, I'm using STL std::vector... TFileThread.h... #include <vector> typedef struct { AnsiString szPath; HFILE hfHandle; } TSTR_FILE_DATA; class TFileThread : public TThread { private: vector<TSTR_FILE_DATA>vecFileData; .... TFileThread.cpp __fastcall TFileLockThread::TFileLockThread(bool CreateSuspended) : TThread(CreateSuspended) { OFSTRUCT ofs; AnsiString szPath; TSTR_FILE_DATA strFileDat; vecFileData.clear(); strFileDat.szPath.SetLength(MAXPATH + 1); strFileDat.szPath.SetLength(GetModuleFileName(HInstance, strFileDat.szPath.c_str(), strFileDat.szPath.Length())); strFileDat.hfHandle = OpenFile(strFileDat.szPath, &ofs, OF_SHARE_DENY_WRITE); if (strFileDat.hfHandle != HFILE_ERROR) vecFileData.push_back(strFileDat); thats about it really.. not much to it.. Any ideas? "SF" <invalid (AT) NOSPAMinvalid (DOT) com> wrote in message news:4461ec5b$1 (AT) newsgroups (DOT) borland.com... Quote: However I then start to get compile errors, complaining about _pair.h, specifically: Are you using normal C vectors or STL std::vector? Please show some code to reproduce the problem. is there any known problems using threads and vectors? No. Not generally speaking. SF. Back to top Remy Lebeau (TeamB) Guest Posted: Wed May 10, 2006 7:14 pm    Post subject: Re: TThreads and Vectors... "Kevin Johnson" <kevinjohnson (AT) hotmail (DOT) com> wrote in message news:4461eabf (AT) newsgroups (DOT) borland.com... Quote: However I then start to get compile errors, complaining about _pair.h, specifically: Please show your actual code. Gambit Back to top Mike Collins Guest Posted: Thu May 11, 2006 2:14 am    Post subject: Re: TThreads and Vectors... Hi remy, Apologies for any confusion with regards to the two senders, I posted the original message from another station which had another account. I think i've tracked the problem down. Gina specific once again :) In order to explain, i must digress somewhat... I was having issues with naming conventions and the naming / symbols used when compiling my BCB based DLL - winlogon couldn't access the exported functions because they had an @ and the start. I resolved this (although I honestly don't understand why it work) by using the statement : extern "C" { #include <winwlx.h> }; I had originally thought this was because the winwlx.h was a pure C header file, although i though the extern "C" statement had something to do with turning of name mangling. Anyway, it seemed to work but the down side of it is that it seems to prevent the inclusion of the vector.h and corresponding libraries... If I remove the extern statement, i can include the vectors header no problem but then i have the export table naming problem again... "Remy Lebeau (TeamB)" <no.spam (AT) no (DOT) spam.com> wrote in message news:44622066$1 (AT) newsgroups (DOT) borland.com... Quote: "Kevin Johnson" <kevinjohnson (AT) hotmail (DOT) com> wrote in message news:4461eabf (AT) newsgroups (DOT) borland.com... However I then start to get compile errors, complaining about _pair.h, specifically: Please show your actual code. Gambit Back to top Remy Lebeau (TeamB) Guest Posted: Thu May 11, 2006 2:14 am    Post subject: Re: TThreads and Vectors... "Mike Collins" <its (AT) TheBottomOfThePost (DOT) com> wrote in message news:4462935b$1 (AT) newsgroups (DOT) borland.com... Quote: I had originally thought this was because the winwlx.h was a pure C header file, although i though the extern "C" statement had something to do with turning of name mangling. It does. Or more accurately, it removes the decoration from the exported names. But the mangling is also controlled by the calling convention of each individual function. For Win32 API functions and callbacks, the calling convention has to be __stdcall. Quote: Anyway, it seemed to work but the down side of it is that it seems to prevent the inclusion of the vector.h and corresponding libraries... If I remove the extern statement, i can include the vectors header no problem but then i have the export table naming problem again... You are not supposed to be placing vector.h inside the "extern "C" block to begin with. Place them outside, ie: #ifdef __cplusplus extern "C" { #endif #include <winwlx.h> #ifdef __cplusplus }; #endif #include <vector> //... 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