Re: Getting the current PID inside kext?
Re: Getting the current PID inside kext?
- Subject: Re: Getting the current PID inside kext?
- From: Rick Mann <email@hidden>
- Date: Mon, 30 Oct 2006 21:19:18 -0800
On Oct 30, 2006, at 21:13 , Justin C. Walker wrote:
getpid() doesn't seem to be available to a kext (I try to include
<unistd.h> but it fails).
If you are trying to use this header in a kernel extension, you may
not fully understand the programming model. Nothing in /usr/
include is usable in the kernel or its extensions. Nothing in /usr/
lib is usable in the kernel. Some functions and definitions that
occur in /usr/include may be provided by the kernel, but they
aren't really the same.
Okay, that's fine, I remember reading that.
Can I use <sys/proc.h> and extern_proc with current_proc() to get
at the pid?
You should review the KPI documents to see how to interact with the
kernel. Check the Apple developer website:
<http://developer.apple.com/documentation/Darwin/Conceptual/
KEXTConcept/KEXTConceptDependencies/kext_dependencies.html>
This document seems to indicate that sys is available, but when I
include <sys/proc.h>, struct extern_proc does not get declared. I
can't seem to figure out why not, except perhaps the compiler is
including a different file than Command-D is opening up for me.
--
Rick
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