Messages in this thread |  | | Date | Mon, 6 Nov 2000 15:57:02 +0100 | From | Erik Mouw <> | Subject | Re: Kernel hook for open |
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On Mon, Nov 06, 2000 at 03:55:41PM +0200, Catalin BOIE wrote: > I wish to know if there is something like a kernel hook for open function. > I want to monitor a file (someting like watchdog on Solaris) and to read > from my own process (module?) and from the file.
I don't know what watchdog is, but maybe strace is what you want (man strace for more info).
> I tried with LD_SO_PRELOAD but it haven't any effect on the so libraries. > For example: > If I use function getpwent (that is in a so library) and my home > made .so library that overwrite "open" function and is in > /etc/ld.so.preload file it doesn't work. > Of course, if I use open ("/etc/hosts") the so library execute my > function.
Use LD_PRELOAD instead.
Erik
-- J.A.K. (Erik) Mouw, Information and Communication Theory Group, Department of Electrical Engineering, Faculty of Information Technology and Systems, Delft University of Technology, PO BOX 5031, 2600 GA Delft, The Netherlands Phone: +31-15-2783635 Fax: +31-15-2781843 Email: J.A.K.Mouw@its.tudelft.nl WWW: http://www-ict.its.tudelft.nl/~erik/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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