[MLton] reason for mprotect with PROT_EXEC ?

[Adam Goode]

Matthew Fluet wrote:
> 
> BTW, profiling is not the only thing that uses the signal stack.  Any
> SML program that uses MLton.Signal to install a non-default signal
> handler will end up using the alternate signal stack.
> 

Ok, I wasn't sure.

> 
> Another alternative would be to add another #define configuration
> parameter, say NEEDS_SIGALTSTACK_EXEC, which would be set by the various
> platform/{arch,os}.h files and used by the platform/mmap-protect.c file
> to use the appropriate flags.
> 

Good plan, I'll see if I can get to getting a patch worked out tonight.



Adam

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