Re: Problem using boost::bind() with template functions having arguments

From:
Barry <dhb52@126.com>
Newsgroups:
comp.lang.c++
Date:
Tue, 21 Aug 2007 17:51:04 +0800
Message-ID:
<faecib$4tb$1@aioe.org>
Nordl?w wrote:

Hey there, C++ Coders!

I am learning multi-threading with boost and have come up with the
following code example shown below.
This example implements a test of the producer-consumer design
pattern.
gcc-4.1.2 however complains with errors about my use of boost::bind().
Doesn't bind support this way of specifying a function and its
arguments or should I solve it in another way?

Many thanks in advance,

int main()
{
    threadsafe_queue<float> q;
    boost::thread pt(boost::bind(produce<float>, q, 10));
    boost::thread ct(boost::bind(consume<float>, q, 10));
    pt.join();
    ct.join();
    return 0;
}

=========== test_threadsafety.cpp ends =============

=========== threadsafe_queue.hpp begins =============

template <typename T>
class threadsafe_queue
{
  std::queue<T> q; ///< Queue.
  boost::mutex m; ///< Mutex.

        ^ noncopyable

  boost::condition c; ///< Condition.

=========== threadsafe_queue.hpp ends =============


threadsafe_queue has mutex as its member, which is noncopyable, when you
do boost::bind, it triggers error

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