[Info-vax] VMS process communication

[Arne Vajhøj]

On 3/25/2023 1:17 PM, bill wrote:
> On 3/25/2023 1:09 PM, Arne Vajhøj wrote:
>>
>>
>> $ type hw.mar
>>          .title  hw
>>          .psect  $CODE quad,pic,con,lcl,shr,exe,nowrt
>> hw:     .asciz  "Hello world!"
>            ^^^^^^
> 
>>          .entry  gethw,^m<>
>>          movab   hw,r0
>>          ret
>>          .end
>> $ macro hw
>>
>> hw:     .asciz  "Hello world!"
>> ^
>> %AMAC-E-DATINCODE, data in code stream
>> at line number 3 in file DISK2:[ARNE]hw.mar;1
>>
>> Of course they can do:
>>
>> $ type hw2.mar
>>          .title  hw2
>>          .psect  $PDATA quad,pic,con,lcl,shr,noexe,nowrt
>> hw:     .asciz  "Hello world!"
>            ^^^^^^
> 
>>          .psect  $CODE quad,pic,con,lcl,shr,exe,nowrt
>>          .entry  gethw,^m<>
>>          movab   hw,r0
>>          ret
>>          .end
> 
> I thought null terminated strings was a C thing and a bad idea?  :-)

Well - it is being returned to a C program, so it made sense to me.

Arne