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Diffstat (limited to 'net/unix/unix.h')
-rw-r--r-- | net/unix/unix.h | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/net/unix/unix.h b/net/unix/unix.h deleted file mode 100644 index 4d9ee251a..000000000 --- a/net/unix/unix.h +++ /dev/null @@ -1,69 +0,0 @@ -/* - * UNIX An implementation of the AF_UNIX network domain for the - * LINUX operating system. UNIX is implemented using the - * BSD Socket interface as the means of communication with - * the user level. - * - * This file describes some things of the UNIX protocol family - * module. It is mainly used for the "proc" sub-module now, - * but it may be useful for cleaning up the UNIX module as a - * whole later. - * - * Version: @(#)unix.h 1.0.3 05/25/93 - * - * Authors: Orest Zborowski, <obz@Kodak.COM> - * Ross Biro, <bir7@leland.Stanford.Edu> - * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> - * - * Fixes: - * Dmitry Gorodchanin - proc locking - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - - -#ifdef _LINUX_UN_H - - -struct unix_proto_data { - int refcnt; /* cnt of reference 0=free */ - /* -1=not initialised -bgm */ - struct socket *socket; /* socket we're bound to */ - int protocol; - struct sockaddr_un sockaddr_un; - short sockaddr_len; /* >0 if name bound */ - char *buf; - int bp_head, bp_tail; - struct inode *inode; - struct unix_proto_data *peerupd; - struct wait_queue *wait; /* Lock across page faults (FvK) */ - int lock_flag; -}; - -extern struct unix_proto_data unix_datas[NSOCKETS]; - - -#define last_unix_data (unix_datas + NSOCKETS - 1) - - -#define UN_DATA(SOCK) ((struct unix_proto_data *)(SOCK)->data) -#define UN_PATH_OFFSET ((unsigned long)((struct sockaddr_un *)0) \ - ->sun_path) - -/* - * Buffer size must be power of 2. buffer mgmt inspired by pipe code. - * note that buffer contents can wraparound, and we can write one byte less - * than full size to discern full vs empty. - */ -#define BUF_SIZE PAGE_SIZE -#define UN_BUF_AVAIL(UPD) (((UPD)->bp_head - (UPD)->bp_tail) & \ - (BUF_SIZE-1)) -#define UN_BUF_SPACE(UPD) ((BUF_SIZE-1) - UN_BUF_AVAIL(UPD)) - -#endif /* _LINUX_UN_H */ - - -extern void unix_proto_init(struct net_proto *pro); |