[EMAIL PROTECTED] wrote:
> >Frank Van Der Linden wrote:
> >> John Zolnowsky x69422/408-404-5064 wrote:
[snip]
> >Just curious: How much room is there for more signals, e.g. how many
> >signals can the kernel handle as maximum ? 64 (=number of bits in an
> >|int64_t|) ?
>
> API/ABI limitation:
>
> typedef struct { /* signal set type */
> unsigned int __sigbits[4];
> } sigset_t;
>
> So that's 4x32 = 128.
>
> The kernel currently uses only 64 bits it seems:
>
> typedef struct {
> unsigned int __sigbits[2];
> } k_sigset_t;
>
> So upto 64 seems easy and upto 128 possible.
Ok... what about the following change:
Signal bits 0-63 are used or reserved for "normal" signals and signals
from 64-95 are used by realtime signals. Anything signal numbers from
96-128 are reserved.
This would allow 32 realtime signals (like in Linux) and avoid that they
have to move each time a signal gets added...
... would that work ?
----
Bye,
Roland
--
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\__\/\/__/ MPEG specialist, C&&JAVA&&Sun&&Unix programmer
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