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Date: | Sun, 31 Dec 2000 14:58:10 +0200 |
From: | "Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il> |
Sender: | halo1 AT zahav DOT net DOT il |
To: | Yoram Hofman <yoram AT htsol DOT com> |
Message-Id: | <8582-Sun31Dec2000145809+0200-eliz@is.elta.co.il> |
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CC: | djgpp AT delorie DOT com |
In-reply-to: | <3A4F298B.6020906@htsol.com> (message from Yoram Hofman on Sun, |
31 Dec 2000 14:41:47 +0200) | |
Subject: | Re: Two programs shared memory |
References: | <3A4F298B DOT 6020906 AT htsol DOT com> |
Reply-To: | djgpp AT delorie DOT com |
Errors-To: | nobody AT delorie DOT com |
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> Date: Sun, 31 Dec 2000 14:41:47 +0200 > From: Yoram Hofman <yoram AT htsol DOT com> > > I need to share about 50K memory between two programs in DOS. > Parent program calls child by spawn. > I understood from FAQ and archives I must allocate this memory > block in DOS memory. > The questions are: > 1) Which function is useful for the purpose? __dpmi_allocate_dos_memory. > 2) How parent process can transmit to child process pointer (selector) > of this memory? One way to do that is to pass the selector to the child via the command line arguments: spawnl (P_WAIT, "prog.exe", "prog.exe", "0x13f", NULL); where 0x13f is the selector you want to pass.
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