[OSM-dev] OSM server installation - problems with create

[Tom Hughes]

Frederik Ramm wrote:

> Stefan de Konink wrote:
>> if (mmap2(...) == -1)
>>     exit(-1);
> 
> The problem is that between our program code (which is of course fast 
> and efficient) and the kernel (which offers the mmap2 system call) sits 
> a fat beast (a.k.a "dynamic programming language") named "ruby" that 
> magically frees the programmer of all responsibilities regarding memory 
> allocation and deallocation. This is good because it becomes hard for 
> even the stupidest programmer to create memory leaks, but on the other 
> hand the programmer is not usually told when ruby decides to make an 
> mmap call and what the return value of it was.

Even ruby probably isn't doing the mmap - that is probably glibc...

Tom

-- 
Tom Hughes (tom at compton.nu)
http://www.compton.nu/