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SubjectRe: Thread implementations...
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alan@lxorguk.ukuu.org.uk (Alan Cox) writes:

> > One _byte_? Would not one long be much, much better? How are you going
> > to fit filehandle into one byte?
>
> I think its one byte, and I agree one long might be better, one byte is
> a good enough hash into a pending I/O RQ table

At least in my 2.1.106 includes sigval_t for i386 is defined as:

typedef union sigval {
int sival_int;
void *sival_ptr;
} sigval_t;

The Single Unix speciification defines it as:

...
The sigval union is defined as:
int sival_int integer signal value
void* sival_ptr pointer signal value

-Andi

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