MESSAGE
| DATE | 2016-12-21 |
| FROM | Ruben Safir
|
| SUBJECT | Subject: [Learn] (fwd) Re: Threads and Object Methods
|
From learn-bounces-at-nylxs.com Wed Dec 21 17:21:36 2016
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Date: Wed, 21 Dec 2016 17:20:23 -0500 (EST)
Subject: [Learn] (fwd) Re: Threads and Object Methods
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Subject: Re: Threads and Object Methods
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Xref: panix comp.lang.c++:1126145
ruben safir writes:
>On 12/18/2016 04:40 PM, Vir Campestris wrote:
>> You're missing the second parameter to the function. Perhaps if he'd
>> written
>>
>> Reader foo;
>> std::thread paint(&reader::read_chunk, &foo);
>>
>> it would have made more sense to you. You can pass args to the function,
>> which may include a pointer to an object of the type. I prefer to pass a
>> pointer to a static member function for the first parameter which takes
>> a pointer to an object of the class and invokes a corresponding
>> non-static member.
>>
>> Andy
>
>
>Not really.
Yes, really.
Have a static method in class reader as your thread entry point
taking a single void * argument. Pass the object pointer as the
argument. In the static method, you can cast the argument to
a pointer to reader and use that to access object data directly
or as Tiib points out, use it to invoke a member function.
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