FreeBSD/Linux Kernel Cross Reference
sys/kernel/die_notifier.c

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

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