__thread storage specifier documentation

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__thread storage specifier documentation
\ Roger Ferrer Ibáñez (21 Dec 2006)

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Subject:	__thread storage specifier documentation
Group:	Gcc-help
From:	Roger Ferrer Ibáñez
Date:	21 Dec 2006

Hi,

this is just a minor clarification about the documentation on __thread
gcc keyword.

According to

http://gcc.gnu.org/onlinedocs/gcc/Thread_002dLocal.html#Thread_002dLocal

"The __thread specifier may be used alone, with the extern or static
specifiers, but with no other storage class specifier. When used with
extern or static, __thread must appear _immediately_ after the other
storage class specifier."

I wonder if this _immediately_ means that the __thread keyword must
appear next to the "extern" or "static" (if any) or the programmer can
intersperse other declaration specifiers between them, but keeping the
order between storage specifiers.

I mean,

void f()
{
/* This is strictly immediately "static __thread", gcc accepts this */
static __thread int a;

/* This is not strictly immediately, there is type-specifier 'int'
between 'static' and '__thread' and gcc accepts this */
static int __thread b;
}

Thank you !

--
Roger Ferrer Ibáñez - roger.ferrer