On Mon, Sep 05, 2005 at 02:47:40PM -0400, Jakub Jelinek wrote:
> On Mon, Sep 05, 2005 at 08:00:05PM +0200, Adrian Bunk wrote:
> > It isn't the same, but "static inline" is the correct variant.
> >
> > "extern inline __attribute__((always_inline))" (which is what
> > "extern inline" is expanded to) doesn't make sense.
>
> It does make sense and is different from
> static inline __attribute__((always_inline)).
> Try:
> static inline __attribute__((always_inline)) void foo (void) {}
> void (*fn)(void) = foo;
> vs.
> extern inline __attribute__((always_inline)) void foo (void) {}
> void (*fn)(void) = foo;
> In the former case, GCC will emit the out of line static copy of foo
> if you take its address, in the latter case either you provide foo
> function by other means, or you get linker error.
And we need the former case because in the kernel we do not have
out-of-line variants of the inline functions.
> Jakub
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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