1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * libcfs/include/libcfs/darwin/darwin-tcpip.h
38 * Basic library routines.
41 #ifndef __LIBCFS_DARWIN_TCPIP_H__
42 #define __LIBCFS_DARWIN_TCPIP_H__
45 #include <sys/socket.h>
51 typedef void (*so_upcall)(socket_t sock, void* arg, int waitf);
53 #define CFS_SOCK_UPCALL 0x1
54 #define CFS_SOCK_DOWN 0x2
56 #define CFS_SOCK_MAGIC 0xbabeface
58 typedef struct cfs_socket {
67 /* cfs_socket_t to bsd socket */
68 #define C2B_SOCK(s) ((s)->s_so)
70 static inline int get_sock_intopt(socket_t so, int opt)
76 * sock_getsockopt will take a lock(mutex) for socket,
77 * so it can be blocked. So be careful while using
81 rc = sock_getsockopt(so, SOL_SOCKET, opt, &val, &len);
86 #define SOCK_ERROR(s) get_sock_intopt(C2B_SOCK(s), SO_ERROR)
87 /* #define SOCK_WMEM_QUEUED(s) (0) */
88 #define SOCK_WMEM_QUEUED(s) get_sock_intopt(C2B_SOCK(s), SO_NWRITE)
89 /* XXX Liang: no reliable way to get it in Darwin8.x */
90 #define SOCK_TEST_NOSPACE(s) (0)
92 void libcfs_sock_set_cb(cfs_socket_t *sock, so_upcall callback, void *arg);
93 void libcfs_sock_reset_cb(cfs_socket_t *sock);
95 #else /* !__DARWIN8__ */
97 #define SOCK_WMEM_QUEUED(so) ((so)->so_snd.sb_cc)
98 #define SOCK_ERROR(so) ((so)->so_error)
100 #define SOCK_TEST_NOSPACE(so) (sbspace(&(so)->so_snd) < (so)->so_snd.sb_lowat)
102 #endif /* !__DARWIN8__ */
104 #endif /* __KERNEL END */
106 #endif /* __XNU_CFS_TYPES_H__ */