BUGS section of 4th BSD manual, VFORK(2V)
``This system call may be unnecessary if the
system sharing mechanism allow fork
to be implemented more efficiently''
>> On 8/12/06, Victor Nazarov <[EMAIL PROTECTED]> wrote:
>> > POSIX-fork() copies data and bss segmets, child process doesn't share
>> > data with it's parent.
>>
>> vfork() causes both child and parent to share address space. I
>> believe this was introduced to make the fork/exec sequence faster as
>> the address space COW didn't need to be setup.
>
> I always thought vfork was introduced because
> copy-on-write hadn't been invented yet.
>
> It's the only logical explanation.
>
> Russ
