[libdispatch-dev] What's with this sigsuspend stuff?

[Paolo Bonzini]

On 07/05/2011 03:03 AM, Dave Zarzycki wrote:
> On Mac OS X and iOS, some signals are only deliverable on the thread
> that they were generated from (SIGILL, SIGFPE, SIGBUS, SIGSEGV, etc),
> therefore, we shouldn't mask those off. Someday, if/when the Mac OS X
> / iOS kernel supports delivering those signals to any available
> thread, then we can fully mask every signal on GCD threads.

That would not be POSIX-compliant.

Paolo