unix.h

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#ifndef _NET_UNIX_H
#define _NET_UNIX_H
 
/*
 * Unix domain sockets' private structures (net/unix/unix.c).
 */
 
#define AF_UNIX_CONN    255

struct un_conn {
    struct ringbuf *soci;   /* data the server sends and the client receives */
    struct ringbuf *sico;   /* data the client sends and the server receives */
 
    /* Set when the writer of a ring is done (shutdown or close): the reader
     * reads what is left, then sees the end, and frees the ring. */
    int soci_end, sico_end;
 
    struct waitq server_recv;
    struct waitq server_send;
    struct waitq client_recv;
    struct waitq client_send;
    struct waitq connect;
 
    /* 1 once accepted, -1 if refused because the listener closed */
    int connected;
};

struct un_socket {
    struct vnode *vnode;
 
    size_t backlog;    /* how many connection requests may wait */
 
    struct queue requests;
    struct waitq accept;
 
    int listening;
};
 
#include <aquila/un.h>
 
#endif /* ! _NET_UNIX_H */