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Re: Macro for pthread_create()

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Ben Bacarisse <ben.usenet@bsb.me.uk> writes:
> daniele@mother.nostromo.wy (daniele.g) writes:
>> Seebs <usenet-nospam@seebs.net> writes:
>>> The obvious thing that leaps out at me is that you say you want
>>> 	pthread_create(&func_id, NULL, func, (void *) param)
>>> but you wrote
>>> 	pthread_create(&func, NULL, func, (void *) param)
>>>
>>> Which makes me wonder whether you actually wanted the _id, and if so,
>>> why you omitted it.  You may be looking for the "token pasting" operator,
>>> ##.  See the comp.lang.c FAQ for more info on that.
>>
>> Yur're right, I wrote wrong the macro expansion.
>> What I want is that when I compile this source under linux the macro is
>> translated into the pthread_create(...) function, knowing that the macro
>> has only two parameters. My problem is that I don't know how to create
>> dinamically a func_id to be inserted into the macro definition.
>
> If there is a fixed, textual, relationship between "func" and "func_id"
> (i.e. the first parameter is always the third but with _id added to the
> name) then the token pasting macro already posted (it uses "func ## _id"
> in the body) will do the trick.

Of course you have to declare "func" and "func_id", or "foo" and
"foo_id", or ....

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
    Will write code for food.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"

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Thread

Macro for pthread_create() daniele@father.nostromo.wy (daniele.g) - 2012-01-10 19:21 +0100
  Re: Macro for pthread_create() jt@toerring.de (Jens Thoms Toerring) - 2012-01-10 19:02 +0000
    Re: Macro for pthread_create() jt@toerring.de (Jens Thoms Toerring) - 2012-01-10 20:18 +0000
      Re: Macro for pthread_create() Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-10 20:29 +0000
        Re: Macro for pthread_create() jt@toerring.de (Jens Thoms Toerring) - 2012-01-10 21:03 +0000
  Re: Macro for pthread_create() James Kuyper <jameskuyper@verizon.net> - 2012-01-10 14:14 -0500
    Re: Macro for pthread_create() Seebs <usenet-nospam@seebs.net> - 2012-01-10 20:44 +0000
    Re: Macro for pthread_create() Anand Hariharan <mailto.anand.hariharan@gmail.com> - 2012-01-13 07:18 -0800
  Re: Macro for pthread_create() Seebs <usenet-nospam@seebs.net> - 2012-01-10 19:15 +0000
    Re: Macro for pthread_create() daniele@mother.nostromo.wy (daniele.g) - 2012-01-10 23:01 +0100
      Re: Macro for pthread_create() Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-10 22:23 +0000
        Re: Macro for pthread_create() Keith Thompson <kst-u@mib.org> - 2012-01-10 15:23 -0800
      Re: Macro for pthread_create() jt@toerring.de (Jens Thoms Toerring) - 2012-01-10 22:27 +0000
        Re: Macro for pthread_create() Keith Thompson <kst-u@mib.org> - 2012-01-10 15:25 -0800
      Re: Macro for pthread_create() Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-01-10 17:31 -0500
        Re: Macro for pthread_create() daniele@mother.nostromo.wy (daniele.g) - 2012-01-11 00:04 +0100
          Re: Macro for pthread_create() James Kuyper <jameskuyper@verizon.net> - 2012-01-10 18:17 -0500
          Re: Macro for pthread_create() Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-01-10 18:29 -0500
      Re: Macro for pthread_create() Ian Collins <ian-news@hotmail.com> - 2012-01-11 11:54 +1300
        Re: Macro for pthread_create() daniele@father.nostromo.wy (daniele.g) - 2012-01-11 10:09 +0100
          Re: Macro for pthread_create() Ian Collins <ian-news@hotmail.com> - 2012-01-11 22:20 +1300
          Re: Macro for pthread_create() James Kuyper <jameskuyper@verizon.net> - 2012-01-11 11:26 -0500
            Re: Macro for pthread_create() daniele@father.nostromo.wy (daniele.g) - 2012-01-12 12:07 +0100
              Re: Macro for pthread_create() James Kuyper <jameskuyper@verizon.net> - 2012-01-12 09:19 -0500
                Re: Macro for pthread_create() Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-01-12 20:34 -0500
            Re: Macro for pthread_create() daniele@father.nostromo.wy (daniele.g) - 2012-01-12 11:52 +0100
          Re: Macro for pthread_create() Seebs <usenet-nospam@seebs.net> - 2012-01-11 18:46 +0000
            Re: Macro for pthread_create() blp@cs.stanford.edu (Ben Pfaff) - 2012-01-11 11:12 -0800

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