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Re: Fwd: What can a signal handler do with SIGSTKSZ?
On 1/14/19 1:19 PM, Joseph Myers wrote:
> On Mon, 14 Jan 2019, Carlos O'Donell wrote:
>
>> If *I* were a developer I might expect as Zach pointed out, that I can call
>> every function on the list of callable AS-safe functions, at least once,
>> without recursion, and expect them to operate correctly.
>>
>> A test case for this would therefore be a main, that register a handler
>> that exercises *all* functions in the AS-safe list, and then looks for
>> stack corruption at each execution.
>
> The POSIX AS-safe list, or the functions that are currently documented as
> AS-safe in glibc (an observed property, not necessarily a commitment to an
> API)? (strtold uses a fair amount of stack, for example, and is listed as
> AS-safe in glibc.)
In the comment above I was only considering the POSIX AS-safe list.
--
Cheers,
Carlos.