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TOMOYO Linux Cross Reference
Linux/include/net/timewait_sock.h

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  1 /*
  2  * NET          Generic infrastructure for Network protocols.
  3  *
  4  * Authors:     Arnaldo Carvalho de Melo <acme@conectiva.com.br>
  5  *
  6  *              This program is free software; you can redistribute it and/or
  7  *              modify it under the terms of the GNU General Public License
  8  *              as published by the Free Software Foundation; either version
  9  *              2 of the License, or (at your option) any later version.
 10  */
 11 #ifndef _TIMEWAIT_SOCK_H
 12 #define _TIMEWAIT_SOCK_H
 13 
 14 #include <linux/slab.h>
 15 #include <linux/bug.h>
 16 #include <net/sock.h>
 17 
 18 struct timewait_sock_ops {
 19         struct kmem_cache       *twsk_slab;
 20         char            *twsk_slab_name;
 21         unsigned int    twsk_obj_size;
 22         int             (*twsk_unique)(struct sock *sk,
 23                                        struct sock *sktw, void *twp);
 24         void            (*twsk_destructor)(struct sock *sk);
 25 };
 26 
 27 static inline int twsk_unique(struct sock *sk, struct sock *sktw, void *twp)
 28 {
 29         if (sk->sk_prot->twsk_prot->twsk_unique != NULL)
 30                 return sk->sk_prot->twsk_prot->twsk_unique(sk, sktw, twp);
 31         return 0;
 32 }
 33 
 34 static inline void twsk_destructor(struct sock *sk)
 35 {
 36         BUG_ON(sk == NULL);
 37         BUG_ON(sk->sk_prot == NULL);
 38         BUG_ON(sk->sk_prot->twsk_prot == NULL);
 39         if (sk->sk_prot->twsk_prot->twsk_destructor != NULL)
 40                 sk->sk_prot->twsk_prot->twsk_destructor(sk);
 41 }
 42 
 43 #endif /* _TIMEWAIT_SOCK_H */
 44 

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