Re: Sort-of Announce: Gnet, a network library

[allbery ece cmu edu]

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().

-- 
brandon s. allbery      [os/2][linux][solaris][japh]     allbery@kf8nh.apk.net
system administrator         [WAY too many hats]           allbery@ece.cmu.edu
electrical and computer engineering                                      KF8NH
carnegie mellon university        ["better check the oblivious first" -ke6sls]