Re: Sort-of Announce: Gnet, a network library
- From: David Helder <dhelder umich edu>
- To: allbery ece cmu edu
- cc: mpalczew u washington edu, gnome-list gnome org
- Subject: Re: Sort-of Announce: Gnet, a network library
- Date: Thu, 6 Jan 2000 15:06:07 -0500 (EST)
On Thu, 6 Jan 2000 firstname.lastname@example.org wrote:
> On 6 Jan, Mike Palczewski wrote:
> | David Helder wrote:
> | > vfork() differs from fork in that the parent is suspended
> | > until the child makes a call to execve(2) or _exit(2).
> | > The child shares all memory with its parent, including the
> | > stack, until execve() is issued by the child. The child
> | > must not return from the current function or call exit(),
> | > but may call _exit().
> | I must be using a diffrent man page.
> | Under Linux, fork is implemented using copy-on-write
> | pages, so the only penalty incurred by fork is the time
> | and memory required to duplicate the parent's page tables,
> | and to create a unique task structure for the child.
> | Under Linux, vfork is merely an alias for fork."
> You're using a different man page. Moreover, in the most recent Linux
> kernels, vfork() is now essentially the BSD vfork() (as described by
> David's manpage clipping) and not merely an alias for fork().
Hmmm... my man pages says both of those things. My concern would be that
using vfork on other systems would do as my quote describes, even though
in Linux it does as your quote describes.
__ _ __
___/ /__ __ __(_)__/ / David Helder - University of Michigan
/ _ / _ `/ |/ / / _ / email@example.com
] [Thread Prev