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Date:      05 Dec 2000 16:32:29 +0100
From:      Dag-Erling Smorgrav <des@ofug.org>
To:        "G. Adam Stanislav" <adam@whizkidtech.net>
Cc:        Stephen McKay <mckay@thehub.com.au>, hackers@FreeBSD.ORG
Subject:   Re: pipe
Message-ID:  <xzpwvdesx2q.fsf@flood.ping.uio.no>
In-Reply-To: "G. Adam Stanislav"'s message of "Tue, 5 Dec 2000 08:56:45 -0600"
References:  <20001202085127.A301@int80h.org> <3A292D98.E655D755@softweyr.com> <20001203012841.B228@whizkidtech.net> <200012040256.eB42upH07905@dungeon.home> <20001205085645.A228@whizkidtech.net>

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"G. Adam Stanislav" <adam@whizkidtech.net> writes:
> > Use malloc() instead.
> Unfortunately, that only works in C. :)

Use mmap() or brk()/sbrk().

> I tried to figure out how to allocate memory, but, so far, was completely
> unsuccessful. I studied the source for the C malloc, but did not understand
> any of it. It uses something called mmap. I read the man page for mmap,
> and was totally frustrated. It talks about mapping files into memory,
> but I am not looking for files.

Look for MAP_ANON in the mmap(2) man page.

>                                 It talks about passing an address to the
> function. I don't get it... What address? I want it to allocate memory
> for me and tell me its address. How am I supposed to know what address
> is available???

Did you even read the man page?

DES
-- 
Dag-Erling Smorgrav - des@ofug.org


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