Re: using the CommonC++ library in WIN32

[David Sugar]

As I do not spend any time at present developing on the Win32 platform, 
I do not have any immediate suggestion, however, I assume there are 
others on the list that do and will.  I do have in mind to start an 
interesting project that will include a win32 target, however, so I 
expect I will also spend a lot of time finding these leftover issues 
with the win32 build very soon :).

Massimo Balestri wrote:

> Hi all,
> (sorry for any duplicate e-mail, I don't know exactly which reflector 
> is currently in use);
> I am trying to use CommonC++ 1.4.2. on a set of WIN32 machines (98, 
> NT, 2000).
> I use VC++ 6.0 (SP4) to compile the library.
> I can compile the library without problems, but when I try to use it, 
> each time I include
> "thread.h" I get the following level-1 warnings:
> --------------------------
> Compiling...
> threadtest.cpp
> c:\workspace\ovm_code\common\commoncxx\thread.h(486) : warning C4273: 
> 'waitThread' : inconsistent dll linkage.  dllexport assumed.
> c:\workspace\ovm_code\common\commoncxx\thread.h(487) : warning C4273: 
> 'delay' : inconsistent dll linkage.  dllexport assumed.
> c:\workspace\ovm_code\common\commoncxx\thread.h(488) : warning C4273: 
> 'yield' : inconsistent dll linkage.  dllexport assumed.
> c:\workspace\ovm_code\common\commoncxx\thread.h(490) : warning C4273: 
> 'getException' : inconsistent dll linkage.  dllexport assumed.
> c:\workspace\ovm_code\common\commoncxx\thread.h(491) : warning C4273: 
> 'setException' : inconsistent dll linkage.  dllexport assumed.
> Linking...
> -----------------------------------
> Then the simple example runs without problems, but I suppose that this 
> is not a good sign.
> My impression is that more complex examples could go into troubles.
> Attached is the test code (a very simple code...)
>
> with kind regards,
> Massimo.
> ------------------------------
> #include "config.h"
> #include "thread.h"
> #include "socket.h"
>
> class ThreadTest : public Thread
> {
>   private:
>     int  _threadID;                // a simple user-defined thread 
> identifier
>     Mutex * mutex;                // mutex shared between several threads
>
>     void Run()
>     {
>         int i = 0 ;
>         while (true)
>         {
>             mutex->EnterMutex();
>             cout << "Thread ID="<< _threadID <<", loop 
> number="<<(i++)<< endl;
>             mutex->LeaveMutex();
>             Sleep(20);
>         }
>     };
>
>     void Final()
>     {
>         cout << "Thread " << _threadID <<" exiting."<< endl;
>     };
>
>   public:
>
>     ThreadTest(int threadID, Mutex * mutexPar): _threadID(threadID)
>     {
>         mutex = mutexPar;    // initialise the mutex
>     };
>
>     ~ThreadTest()
>     {
>         Terminate();
>     };
>
> };
>
> int main()
> {
>     Mutex *m = new Mutex();
>     ThreadTest *thread1 = new ThreadTest(1,m);
>     ThreadTest *thread2 = new ThreadTest(2,m);
>     ThreadTest *thread3 = new ThreadTest(3,m);
>     cout << "Starting 3 threads named 1,2,3." << endl;
>     thread1->Start();
>     thread2->Start();
>     thread3->Start();
>     sleep(5);                        // wait 5 seconds
>     delete thread1;
>     delete thread2;
>     delete thread3;
>     delete m;
>     cout << "Main exiting." << endl;
>     return 0;
> }
>
> ----------------------------
> Massimo Balestri
> TELECOM ITALIA LAB
> Multimedia Division
> Via G. Reiss Romoli, 274
> I 10148 TORINO (I)
> Tel: + 39 011 228 6176
> Fax: + 39 011 228 6299
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>
>
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