>  PS> and file-files for instance. If 4 nodes wishes to read/write to the 
 > same 
 >  PS> message/file-base (thus, the same file), how do I 
 >  PS> coordinate this?

 > Many possibilities.  Two obvious ones: file locking, and client/serevr 
 > (C/S). File locking is like a mutex semaphore implemented by the file 
 > system (slow, but useful if you want multiple copies of your program 
 > running on more than on networked PC (although C/S would be even better in 
 > that situation).

 > Best: client/server.  Even if it is all within one process,  a 
 > client/server thread relationship will stil work.

Hmmm, what's this client/servet thing? Could you explain? File locking I know 
of, but then the function accessing the file would have to go into a loop 
everytime it wants access to it. Or am I completely wrong...

/ Peter Schuller   [TeamOS/2]   petersch{at}kuai.se


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