Some tiny improvements on the SimpleIPC Server for Amiga-style systems, ServerRunning was not implemented and UniqueInstance use the Message type to transfer the number of Parameter, so I had to implement this also.
Now its possible to use UniqueInstance functions in AROS also, without special ifdefs. (only a tiny change in the original unique instance code is needed an additional define ifdef Unix -> if defined(unix) or defined(HASAMIGA))
The code is available at GitHub
A discussion I currently read reminds me of some special things about WBStartup message in AmigaOS. If a program is started by Icon/Workbench the program recieves a WBStartup Message which must be replied at end of program (Most C compilers care about it already). There is a tiny additional thing. If workbench get the reply message it will unload the code from the memory, so every code executed after can fail if the memory is reused by other programs. By RKM its suggested to Forbid() task change, reply message and end program without Permit() task change again, but of course only when started by Workbench, if started by CLI it should not end with . I didn’t remember to see this in the fpc AROS implementation. So I implemented it for AROS and test it a while, then later also fix for Amiga/MorphOS?
Working on the fcl-process package, first started with the easier part, the SimpleIPC class which is rather straight forward possible with MsgPort and of course this is the same for all three platforms (Amiga, AROS, MorphOS). A little bit more difficult is the TProcess thing because its rather tightly bound to pipes which not really working well in AROS, sometimes even not available.
The easiest way to make such a pipe is of course just a file in T: a common way at Amiga style systems.
Its a very basic implementation only for the Output but its already enough for let Lazarus find the right compiler, and does not complain anymore that the compiler does not support i386-aros. 🙂
