39 lines
780 B
C
39 lines
780 B
C
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#include <linux/module.h>
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#include <linux/notifier.h>
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#include <linux/vmalloc.h>
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#include <linux/kdebug.h>
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static ATOMIC_NOTIFIER_HEAD(die_chain);
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int notify_die(enum die_val val, const char *str,
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struct pt_regs *regs, long err, int trap, int sig)
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{
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struct die_args args = {
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.regs = regs,
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.str = str,
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.err = err,
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.trapnr = trap,
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.signr = sig,
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};
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return atomic_notifier_call_chain(&die_chain, val, &args);
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}
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int register_die_notifier(struct notifier_block *nb)
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{
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vmalloc_sync_all();
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return atomic_notifier_chain_register(&die_chain, nb);
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}
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EXPORT_SYMBOL_GPL(register_die_notifier);
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int unregister_die_notifier(struct notifier_block *nb)
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{
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return atomic_notifier_chain_unregister(&die_chain, nb);
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}
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EXPORT_SYMBOL_GPL(unregister_die_notifier);
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