[Info-vax] disabling a CTRL/Y ast

[Stephen Hoffman]

On 2016-01-06 19:15:55 +0000, Tom Adams said:

> The AST that was set up using this code:
> 
>            sts = sys$qiow (     ,
>         1                       %val(chn),
>         1                       %val(IO$_SETMODE .or.
>         1                       IO$M_CTRLYAST),
>         1                       iosb,,,nulirpast,,,,,)
> 
> It still runs even if I try to cancel it with this code:
> 
>            sts = sys$qiow (     ,
>         1                       %val(chn),
>         1                       %val(IO$_SETMODE .or.
>         1                       IO$M_CTRLYAST),
>         1                       iosb,,,%val(0),,,,,)


Any errors returned via sts or iosb?   Use EFN$C_ENF.  Avoid using EF0.


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