Message 70940 - Python tracker

➜

This issue tracker has been migrated to GitHub , and is currently read-only.
For more information, see the GitHub FAQs in the Python's Developer Guide.

Author	loewis
Recipients	loewis, pitrou, sable
Date	2008年08月09日.17:25:56
SpamBayes Score	0.023624374
Marked as misclassified	No
Message-id	<489DD322.6010703@v.loewis.de>
In-reply-to	<1218279426.5764.2.camel@fsol>

Content
>> Instead, Python's own memory allocate (obmalloc) should be changed to >> directly use the virtual memory interfaces of the operating system (i.e. >> mmap), bypassing the malloc of the C library. > > How would that interact with fork()? Nicely, why do you ask? Any anonymous mapping will be copied (typically COW) to the child process, in fact, malloc itself uses anonymous mapping (at least on Linux).

Content

>> Instead, Python's own memory allocate (obmalloc) should be changed to
>> directly use the virtual memory interfaces of the operating system (i.e.
>> mmap), bypassing the malloc of the C library.
> 
> How would that interact with fork()?
Nicely, why do you ask? Any anonymous mapping will be copied
(typically COW) to the child process, in fact, malloc itself
uses anonymous mapping (at least on Linux).

History
Date	User	Action	Args
2008年08月09日 17:28:34	loewis	set	recipients: + loewis, pitrou, sable
2008年08月09日 17:25:56	loewis	link	issue3526 messages
2008年08月09日 17:25:56	loewis	create

homepage