[fpc-devel] volatile variables

Michael Schnell mschnell at lumino.de
Wed Jun 29 17:31:13 CEST 2011

On 06/29/2011 05:28 PM, Hans-Peter Diettrich wrote:
> The code in a called subroutine doesn't know about the CS. [It usually 
> also doesn't care about from which exact thread it was called]
> This means that possible recursion must be prevented in all related 
> code in a CS, or (safer) that the CS must be "recursive" (spinlock?) 
> on all platforms.

I was taking about the CS Enter and Leave procedures themselves, not 
about calling functions within a CS

I feel that calling a subroutine within a CS is a bad idea anyway as the 
point of CSes is to hold them as short as possible not to increase the 
latency of the other threads.


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