linux-kernel - Re: [PATCH 2/6] typesafe: kthread_create and kthread

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Message-ID: <36ca99e90801200407h384106f7pc1ce37e8b34ad7ec@mail.gmail.com>
Date:	Sun, 20 Jan 2008 13:07:17 +0100
From:	"Bert Wesarg" <bert.wesarg@...glemail.com>
To:	"Jan Engelhardt" <jengelh@...putergmbh.de>
Cc:	"Rusty Russell" <rusty@...tcorp.com.au>,
	"Linus Torvalds" <torvalds@...ux-foundation.org>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, "Jeff Garzik" <jeff@...zik.org>,
	"Tejun Heo" <htejun@...il.com>
Subject: Re: [PATCH 2/6] typesafe: kthread_create and kthread_run

On Jan 20, 2008 12:25 PM, Jan Engelhardt <jengelh@...putergmbh.de> wrote:
>
> On Jan 20 2008 20:48, Rusty Russell wrote:
> >+ */
> >+#define kthread_create(threadfn, data, namefmt...) ({         \
> >+      int (*_threadfn)(typeof(data)) = (threadfn);            \
> >+      __kthread_create((void *)_threadfn, (data), namefmt);   \
> >+})
>
> If you have namefmt... you need that varagrs cpp trick. IIRC:
>
>         __kthread_create((void *)_threadfn, (data), namefmt, __VA_ARGS__);
almost

either:

#define kthread_create(threadfn, data, ...) ({         \
        __kthread_create((void *)_threadfn, (data), __VA_ARGS__);

or:

#define kthread_create(threadfn, data, namefmt, ...) ({         \
        __kthread_create((void *)_threadfn, (data), namefmt, ##__VA_ARGS__);


Bert
>
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