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Mail Archives: djgpp/2001/06/17/19:45:03

Message-ID: <3B2D40BE.4A613509@mail.rosecom.ca>
From: April <awhite AT mail DOT rosecom DOT ca>
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Newsgroups: comp.os.msdos.djgpp
Subject: [Fwd: Re: gprof question]
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Date: Sun, 17 Jun 2001 19:43:58 -0400
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

DJ Delorie wrote:

> Anything that does an OS call [causes a __dpmi_int] - read, time,
> sbrk (used by malloc), sometimes getkey().

Would all file opening - fopen / open / _dos_open / _open - and
corresponding i/o functions generate the same type of OS call?

What I'm asking is: if I don't use _open and _read, would the
interrupt calls be reduced?

Thank you for your info.

April

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