Re: synchronization without hardware support

[Momchil Velikov <velco@xxxxxxxxx>]

>>>>> "pankaj" == pankaj chauhan <chauhan_ait@yahoo.co.in> writes:

pankaj> hi all ,
pankaj> i have a small doubt : Is it possible to have
pankaj> synchronization between processes running on different
pankaj> processors in a SMP without any harware support for
pankaj> that. I mean can we implement mutual exclusion in
pankaj> access of shared data without any 'lock ' prefix , or 
pankaj> atomic_swap , or atomic test_and_set instructions in
pankaj> the instruction set of the machine. If yes then How ??

Search for Dekker's algorithm. 

~velco

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