[PATCH 1/2] Rename struct ucontext to struct mcontext

[Jon TURNEY]

On 30/03/2015 19:47, Corinna Vinschen wrote:
> Just for the records what we talked about on IRC:
>
> On Mar 30 18:32, Jon TURNEY wrote:
>> @@ -45,7 +49,7 @@ struct _fpstate
>>     __uint32_t padding[24];
>>   };
>>
>> -struct ucontext
>> +struct mcontext
>
> __mcontext so as not to pollute the namespace.
>
>>     __uint64_t etr;
>>     __uint64_t efr;
>>     __uint8_t _internal;
>> -  __uint64_t oldmask;
>>   };
>
> Remove _internal, keep oldmask.  As a result, __mcontext is still
> basically equivalent to Linux' mcontext_t.  __mcontext can be
> taken from _my_tls.oldmask.

Thanks for your help with this.

You'll have to help me understand what the difference in meaning between 
ucontext_t.uc_sigmask and ucontext_t.uc_mcontext.oldmask is.

In the context of _cygtls::call_signal_handler() is _my_tls.oldmask 
correct and not this_oldmask?