[Gambas-user] wait and stack overflow

[olinux]

here is the precise exemple:

for i= 0 to fildir.count-1
	prc=exec ["gtar", "-xvf","fichier source","-C", repdest,fichierextract[i]] for read as "rest"

	while prc.state = 1
		wait
	wend
next



version gambas 1.9.44


regards
Olivier Coquet



Benoit Minisini a écrit :
> On Friday 27 October 2006 21:18, Rob wrote:
>   
>> On Friday 27 October 2006 14:11, olinux wrote:
>>     
>>> Is somebody can explain me why:
>>> while toto<>0
>>> wait
>>> whend
>>> generate a stack overflow ????
>>>       
>> Because it's an infinite loop and every time the "wait" executes,
>> the interpreter adds a context to the stack.  So if it's in some
>> event handler that gets called during the wait, e.g. in a timer,
>> you end up with 25,000 copies of that event handler on the
>> stack.
>>
>> Can't really be any more specific without seeing the project.
>>
>> Rob
>>
>>     
>
> This loop works without any problem, unless there *is* an infinite recursion. 
> That means that WAIT calls an event handler that calls your loop again. Just 
> trace your program to detect it.
>
> If this is not the case, then it is a bug in the interpreter. Just tell your 
> version of gambas you use then.
>
> Regards,
>
>   



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