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Hi mates, I am working on "Creation of Postmortem data logger on Linux platform.". It is nothing but coredump utility creation manually on the basis of user needs.I got the ...
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- 04-26-2011 #1
- Join Date
- Mar 2011
How to replace the default handler with user defined handler in Linux
File Function called
1.source/ arch/i386/kernel/signal.c -----> do_signal( )
2.source/kernel/signal.c ----------> get_signal_to_deliver( )
3.source/fs/exec.c -------------> do_coredump( )
4.source/fs/binfmt_elf.c -------------> elf_core_dump( )
Now,as per project requirements, i need to modify the default signal handler definitions with my own user defined signal handler that handles various exceptions (SIGSEGV, SIGFPE, SIGABRT etc) causing coredump. Further, i need to build the kernel for keeping the changes in kernel with my handler replacing default handler.
Can anybody please share the proceedings to do those operations ?
Advance thanks to all repliers
- 05-05-2011 #2
- Join Date
- Apr 2009
- I can be found either 40 miles west of Chicago, in Chicago, or in a galaxy far, far away.
School project?Sometimes, real fast is almost as good as real time.
Just remember, Semper Gumbi - always be flexible!