>Frank Van Der Linden wrote:
>> John Zolnowsky x69422/408-404-5064 wrote:
>> > Your understanding is basically correct: the symbol _POSIX_RTSIG_MAX
>> > is a minimum maximum for the number of realtime signals; there can
>> > be no less than 8 realtime signals. This is from IEEE 1003.1
>> > or ISO/IEC 9945-1.
>>
>> Ok, thanks. Looks like MAXSIG will have to be bumped. While there, like
>> Roland suggested, might as well increase the number of available RT
>> signals, if this is something that people will like OpenSolaris more for
>> their applications.
>
>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.
Casper
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